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The International Table calorie is 4.1868 J.", "url": "https://scientificconverters.com/units/calorie/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"calorie (thermochemical) (cal_th)\"" } ] }, { "id": "kilocalorie", "name": "kilocalorie", "plural": "kilocalories", "symbol": "kcal", "symbolAscii": "kcal", "aliases": [ "kcal", "kilocalorie", "kilocalories", "food calorie", "food calories", "big calorie", "cal food" ], "factor": "4184", "factorExpression": "4184", "exact": true, "reference": "Thermochemical kilocalorie (food Calorie), 4184 J exactly.", "url": "https://scientificconverters.com/units/kilocalorie/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"kilocalorie (thermochemical)\"" } ] }, { "id": "watt-hour", "name": "watt-hour", "plural": "watt-hours", "symbol": "Wh", "symbolAscii": "Wh", "aliases": [ "wh", "watt hour", "watt hours", "watt-hour", "watt-hours" ], "factor": "3600", "factorExpression": "3600", "exact": true, "url": "https://scientificconverters.com/units/watt-hour/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"watt hour (W·h)\"" } ] }, { "id": "kilowatt-hour", "name": "kilowatt-hour", "plural": "kilowatt-hours", "symbol": "kWh", "symbolAscii": "kWh", "aliases": [ "kwh", "kilowatt hour", "kilowatt hours", "kw h", "unit of electricity" ], "factor": "3600000", "factorExpression": "3.6e6", "exact": true, "url": "https://scientificconverters.com/units/kilowatt-hour/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"kilowatt hour (kW·h)\"" } ] }, { "id": "btu", "name": "British thermal unit", "plural": "British thermal units", "symbol": "BTU", "symbolAscii": "BTU", "aliases": [ "btu", "btus", "british thermal unit", "british thermal units", "btu it" ], "factor": "1055.05585262", "factorExpression": "1055.05585262", "exact": true, "reference": "International Table BTU (BTU_IT), 1055.05585262 J exactly.", "url": "https://scientificconverters.com/units/btu/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"British thermal unit_IT (Btu_IT)\"" } ] }, { "id": "therm", "name": "therm", "plural": "therms", "symbol": "thm", "symbolAscii": "thm", "aliases": [ "thm", "therm", "therms", "us therm" ], "factor": "105480400", "factorExpression": "1.054804e8", "exact": true, "reference": "US therm, 100 000 BTU (59 °F), 105.4804 MJ as given by NIST SP 811. The EC therm is 105.506 MJ.", "url": "https://scientificconverters.com/units/therm/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"therm (U.S.)\"" } ] }, { "id": "electronvolt", "name": "electronvolt", "plural": "electronvolts", "symbol": "eV", "symbolAscii": "eV", "aliases": [ "ev", "electronvolt", "electronvolts", "electron volt", "electron volts" ], "factor": "0.0000000000000000001602176634", "factorExpression": "1.602176634e-19", "exact": true, "url": "https://scientificconverters.com/units/electronvolt/", "sources": [ { "title": "The International System of Units (SI), 9th edition (SI Brochure)", "url": "https://www.bipm.org/en/publications/si-brochure", "locator": "Table 8 and the fixed elementary charge e" } ] }, { "id": "foot-pound-force", "name": "foot-pound", "plural": "foot-pounds", "symbol": "ft·lbf", "symbolAscii": "ft-lbf", "aliases": [ "ft lbf", "ft-lb", "ft lb", "ftlb", "foot pound", "foot pounds", "foot-pound force", "ft-lbs" ], "factor": "1.3558179483314004", "factorExpression": "0.3048*0.45359237*9.80665", "exact": true, "url": "https://scientificconverters.com/units/foot-pound-force/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"foot pound-force (ft·lbf)\"" } ] }, { "id": "erg", "name": "erg", "plural": "ergs", "symbol": "erg", "symbolAscii": "erg", "aliases": [ "erg", "ergs", "dyne cm", "dyn cm" ], "factor": "0.0000001", "factorExpression": "1e-7", "exact": true, "url": "https://scientificconverters.com/units/erg/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"erg (erg)\"" } ] } ] }, { "id": "power", "name": "Power", "url": "https://scientificconverters.com/power/", "baseUnit": "watt", "quantity": "power (energy per unit time)", "dimension": "M L² T⁻³", "units": [ { "id": "watt", "name": "watt", "plural": "watts", "symbol": "W", "symbolAscii": "W", "aliases": [ "w", "watt", "watts", "j/s" ], "factor": "1", "factorExpression": "1", "exact": true, "url": "https://scientificconverters.com/units/watt/", "sources": [ { "title": "The International System of Units (SI), 9th edition (SI Brochure)", "url": "https://www.bipm.org/en/publications/si-brochure", "locator": "Table 4, coherent derived units with special names" } ] }, { "id": "milliwatt", "name": "milliwatt", "plural": "milliwatts", "symbol": "mW", "symbolAscii": "mW", "aliases": [ "milliwatt", "milliwatts" ], "factor": "0.001", "factorExpression": "1e-3", "exact": true, "url": "https://scientificconverters.com/units/milliwatt/", "sources": [ { "title": "The International System of Units (SI), 9th edition (SI Brochure)", "url": "https://www.bipm.org/en/publications/si-brochure", "locator": "Table 7, SI prefixes" } ] }, { "id": "kilowatt", "name": "kilowatt", "plural": "kilowatts", "symbol": "kW", "symbolAscii": "kW", "aliases": [ "kw", "kilowatt", "kilowatts" ], "factor": "1000", "factorExpression": "1e3", "exact": true, "url": "https://scientificconverters.com/units/kilowatt/", "sources": [ { "title": "The International System of Units (SI), 9th edition (SI Brochure)", "url": "https://www.bipm.org/en/publications/si-brochure", "locator": "Table 7, SI prefixes" } ] }, { "id": "megawatt", "name": "megawatt", "plural": "megawatts", "symbol": "MW", "symbolAscii": "MW", "aliases": [ "megawatt", "megawatts", "mwe" ], "factor": "1000000", "factorExpression": "1e6", "exact": true, "url": "https://scientificconverters.com/units/megawatt/", "sources": [ { "title": "The International System of Units (SI), 9th edition (SI Brochure)", "url": "https://www.bipm.org/en/publications/si-brochure", "locator": "Table 7, SI prefixes" } ] }, { "id": "horsepower", "name": "horsepower", "plural": "horsepower", "symbol": "hp", "symbolAscii": "hp", "aliases": [ "hp", "horsepower", "mechanical horsepower", "imperial horsepower", "bhp", "shp" ], "factor": "745.69987158227022", "factorExpression": "550*0.3048*0.45359237*9.80665", "exact": true, "reference": "Mechanical (imperial) horsepower, 550 ft·lbf/s. Metric horsepower (PS) is about 1.4 % smaller.", "url": "https://scientificconverters.com/units/horsepower/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"horsepower (550 ft·lbf/s)\"" } ] }, { "id": "metric-horsepower", "name": "metric horsepower", "plural": "metric horsepower", "symbol": "PS", "symbolAscii": "PS", "aliases": [ "ps", "metric horsepower", "pferdestarke", "cv", "ch", "pk" ], "factor": "735.49875", "factorExpression": "75*9.80665", "exact": true, "url": "https://scientificconverters.com/units/metric-horsepower/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"horsepower (metric)\"" } ] }, { "id": "btu-per-hour", "name": "BTU per hour", "plural": "BTU per hour", "symbol": "BTU/h", "symbolAscii": "BTU/h", "aliases": [ "btu/h", "btu/hr", "btuh", "btu per hour", "btu hour", "mbh" ], "factor": "0.29307107017222222222", "factorExpression": "1055.05585262/3600", "exact": true, "url": "https://scientificconverters.com/units/btu-per-hour/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"British thermal unit_IT per hour\"" } ] }, { "id": "ton-of-refrigeration", "name": "ton of refrigeration", "plural": "tons of refrigeration", "symbol": "TR", "symbolAscii": "TR", "aliases": [ "tr", "rt", "ton of refrigeration", "tons of refrigeration", "refrigeration ton", "ac ton", "cooling ton", "tonnage" ], "factor": "3516.8528420666666667", "factorExpression": "12000*1055.05585262/3600", "exact": true, "url": "https://scientificconverters.com/units/ton-of-refrigeration/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"ton of refrigeration (12 000 Btu_IT/h)\"" } ] }, { "id": "kilocalorie-per-hour", "name": "kilocalorie per hour", "plural": "kilocalories per hour", "symbol": "kcal/h", "symbolAscii": "kcal/h", "aliases": [ "kcal/h", "kcal/hr", "kcal per hour", "kilocalorie per hour", "kilocalories per hour" ], "factor": "1.163", "factorExpression": "4186.8/3600", "exact": true, "reference": "Uses the International Table kilocalorie (4186.8 J), the convention in heating and HVAC: 1 kcal/h = 1.163 W.", "url": "https://scientificconverters.com/units/kilocalorie-per-hour/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"calorie_IT\" with hour" } ] }, { "id": "foot-pound-force-per-second", "name": "foot-pound per second", "plural": "foot-pounds per second", "symbol": "ft·lbf/s", "symbolAscii": "ft-lbf/s", "aliases": [ "ft lbf/s", "ft-lbf/s", "ft lb/s", "foot pound per second", "foot pounds per second" ], "factor": "1.3558179483314004", "factorExpression": "0.3048*0.45359237*9.80665", "exact": true, "url": "https://scientificconverters.com/units/foot-pound-force-per-second/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"foot pound-force per second\"" } ] } ] }, { "id": "force", "name": "Force", "url": "https://scientificconverters.com/force/", "baseUnit": "newton", "quantity": "force", "dimension": "M L T⁻²", "units": [ { "id": "newton", "name": "newton", "plural": "newtons", "symbol": "N", "symbolAscii": "N", "aliases": [ "n", "newton", "newtons" ], "factor": "1", "factorExpression": "1", "exact": true, "url": "https://scientificconverters.com/units/newton/", "sources": [ { "title": "The International System of Units (SI), 9th edition (SI Brochure)", "url": "https://www.bipm.org/en/publications/si-brochure", "locator": "Table 4, coherent derived units with special names" } ] }, { "id": "kilonewton", "name": "kilonewton", "plural": "kilonewtons", "symbol": "kN", "symbolAscii": "kN", "aliases": [ "kn", "kilonewton", "kilonewtons" ], "factor": "1000", "factorExpression": "1e3", "exact": true, "url": "https://scientificconverters.com/units/kilonewton/", "sources": [ { "title": "The International System of Units (SI), 9th edition (SI Brochure)", "url": "https://www.bipm.org/en/publications/si-brochure", "locator": "Table 7, SI prefixes" } ] }, { "id": "pound-force", "name": "pound-force", "plural": "pounds-force", "symbol": "lbf", "symbolAscii": "lbf", "aliases": [ "lbf", "pound force", "pounds force", "pound-force", "pounds-force", "lb force", "lbs force" ], "factor": "4.4482216152605", "factorExpression": "0.45359237*9.80665", "exact": true, "url": "https://scientificconverters.com/units/pound-force/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"pound-force (lbf)\"" } ] }, { "id": "kilogram-force", "name": "kilogram-force", "plural": "kilograms-force", "symbol": "kgf", "symbolAscii": "kgf", "aliases": [ "kgf", "kp", "kilopond", "kilogram force", "kilograms force", "kg force" ], "factor": "9.80665", "factorExpression": "9.80665", "exact": true, "url": "https://scientificconverters.com/units/kilogram-force/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"kilogram-force (kgf)\"" } ] }, { "id": "kip", "name": "kip", "plural": "kips", "symbol": "kip", "symbolAscii": "kip", "aliases": [ "kip", "kips", "kilopound", "klbf", "kilopound force" ], "factor": "4448.2216152605", "factorExpression": "1000*0.45359237*9.80665", "exact": true, "url": "https://scientificconverters.com/units/kip/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"kip (1000 lbf)\"" } ] }, { "id": "dyne", "name": "dyne", "plural": "dynes", "symbol": "dyn", "symbolAscii": "dyn", "aliases": [ "dyn", "dyne", "dynes" ], "factor": "0.00001", "factorExpression": "1e-5", "exact": true, "url": "https://scientificconverters.com/units/dyne/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"dyne (dyn)\"" } ] }, { "id": "ounce-force", "name": "ounce-force", "plural": "ounces-force", "symbol": "ozf", "symbolAscii": "ozf", "aliases": [ "ozf", "ounce force", "ounces force", "oz force" ], "factor": "0.27801385095378125", "factorExpression": "0.45359237*9.80665/16", "exact": true, "url": "https://scientificconverters.com/units/ounce-force/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"ounce (avoirdupois)-force (ozf)\"" } ] }, { "id": "gram-force", "name": "gram-force", "plural": "grams-force", "symbol": "gf", "symbolAscii": "gf", "aliases": [ "gf", "gram force", "grams force", "pond" ], "factor": "0.00980665", "factorExpression": "9.80665e-3", "exact": true, "url": "https://scientificconverters.com/units/gram-force/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"gram-force\"" } ] } ] }, { "id": "torque", "name": "Torque", "url": "https://scientificconverters.com/torque/", "baseUnit": "newton-meter", "quantity": "torque (moment of force)", "dimension": "M L² T⁻²", "units": [ { "id": "newton-meter", "name": "newton-meter", "plural": "newton-meters", "symbol": "N·m", "symbolAscii": "Nm", "aliases": [ "nm torque", "n m", "n-m", "n.m", "newton meter", "newton meters", "newton metre", "newton-metre" ], "factor": "1", "factorExpression": "1", "exact": true, "url": "https://scientificconverters.com/units/newton-meter/", "sources": [ { "title": "The International System of Units (SI), 9th edition (SI Brochure)", "url": "https://www.bipm.org/en/publications/si-brochure", "locator": "Table 5, derived units expressed with special names" } ] }, { "id": "kilonewton-meter", "name": "kilonewton-meter", "plural": "kilonewton-meters", "symbol": "kN·m", "symbolAscii": "kNm", "aliases": [ "knm", "kn m", "kn-m", "kilonewton meter", "kilonewton metre" ], "factor": "1000", "factorExpression": "1e3", "exact": true, "url": "https://scientificconverters.com/units/kilonewton-meter/", "sources": [ { "title": "The International System of Units (SI), 9th edition (SI Brochure)", "url": "https://www.bipm.org/en/publications/si-brochure", "locator": "Table 7, SI prefixes" } ] }, { "id": "newton-centimeter", "name": "newton-centimeter", "plural": "newton-centimeters", "symbol": "N·cm", "symbolAscii": "Ncm", "aliases": [ "ncm", "n cm", "n-cm", "newton centimeter", "newton centimetre" ], "factor": "0.01", "factorExpression": "0.01", "exact": true, "url": "https://scientificconverters.com/units/newton-centimeter/", "sources": [ { "title": "The International System of Units (SI), 9th edition (SI Brochure)", "url": "https://www.bipm.org/en/publications/si-brochure", "locator": "Table 7, SI prefixes" } ] }, { "id": "pound-force-foot", "name": "pound-foot", "plural": "pound-feet", "symbol": "lbf·ft", "symbolAscii": "lbf-ft", "aliases": [ "lbf ft", "lbf-ft", "lb ft", "lb-ft", "lbft", "pound foot", "pound feet", "ft lbs torque", "foot pounds torque" ], "factor": "1.3558179483314004", "factorExpression": "0.3048*0.45359237*9.80665", "exact": true, "url": "https://scientificconverters.com/units/pound-force-foot/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"pound-force foot (lbf·ft)\"" } ] }, { "id": "pound-force-inch", "name": "pound-inch", "plural": "pound-inches", "symbol": "lbf·in", "symbolAscii": "lbf-in", "aliases": [ "lbf in", "lbf-in", "lb in", "lb-in", "in lb", "in-lb", "in lbs", "inch pounds", "pound inch" ], "factor": "0.1129848290276167", "factorExpression": "0.0254*0.45359237*9.80665", "exact": true, "url": "https://scientificconverters.com/units/pound-force-inch/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"pound-force inch (lbf·in)\"" } ] }, { "id": "ounce-force-inch", "name": "ounce-inch", "plural": "ounce-inches", "symbol": "ozf·in", "symbolAscii": "ozf-in", "aliases": [ "ozf in", "oz in", "oz-in", "ounce inch", "ounce inches" ], "factor": "0.00706155181422604375", "factorExpression": "0.0254*0.45359237*9.80665/16", "exact": true, "url": "https://scientificconverters.com/units/ounce-force-inch/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"ounce (avoirdupois)-force inch\"" } ] }, { "id": "kilogram-force-meter", "name": "kilogram-force meter", "plural": "kilogram-force meters", "symbol": "kgf·m", "symbolAscii": "kgf-m", "aliases": [ "kgf m", "kgf-m", "kgm", "kg m torque", "kilogram meter", "kilogram force meter" ], "factor": "9.80665", "factorExpression": "9.80665", "exact": true, "url": "https://scientificconverters.com/units/kilogram-force-meter/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"kilogram-force meter (kgf·m)\"" } ] }, { "id": "kilogram-force-centimeter", "name": "kilogram-force centimeter", "plural": "kilogram-force centimeters", "symbol": "kgf·cm", "symbolAscii": "kgf-cm", "aliases": [ "kgf cm", "kgf-cm", "kg cm", "kg-cm", "kilogram centimeter" ], "factor": "0.0980665", "factorExpression": "0.0980665", "exact": true, "url": "https://scientificconverters.com/units/kilogram-force-centimeter/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"kilogram-force meter\" with centi" } ] }, { "id": "dyne-centimeter", "name": "dyne-centimeter", "plural": "dyne-centimeters", "symbol": "dyn·cm", "symbolAscii": "dyn-cm", "aliases": [ "dyn cm", "dyn-cm", "dyne centimeter", "dyne centimetre" ], "factor": "0.0000001", "factorExpression": "1e-7", "exact": true, "url": "https://scientificconverters.com/units/dyne-centimeter/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"dyne centimeter (dyn·cm)\"" } ] } ] }, { "id": "density", "name": "Density", "url": "https://scientificconverters.com/density/", "baseUnit": "kilogram-per-cubic-meter", "quantity": "density (mass per unit volume) and mass concentration", "dimension": "M L⁻³", "units": [ { "id": "kilogram-per-cubic-meter", "name": "kilogram per cubic meter", "plural": "kilograms per cubic meter", "symbol": "kg/m³", "symbolAscii": "kg/m3", "aliases": [ "kg/m3", "kg/m^3", "kg m-3", "kilogram per cubic metre", "kilograms per cubic meter" ], "factor": "1", "factorExpression": "1", "exact": true, "url": "https://scientificconverters.com/units/kilogram-per-cubic-meter/", "sources": [ { "title": "The International System of Units (SI), 9th edition (SI Brochure)", "url": "https://www.bipm.org/en/publications/si-brochure", "locator": "Table 2, coherent derived units" } ] }, { "id": "gram-per-cubic-centimeter", "name": "gram per cubic centimeter", "plural": "grams per cubic centimeter", "symbol": "g/cm³", "symbolAscii": "g/cm3", "aliases": [ "g/cm3", "g/cc", "g/ml", "g/cm^3", "gram per cubic 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"symbol": "bar", "symbolAscii": "bar", "aliases": [ "bar", "bars", "barg", "bara" ], "factor": "100000", "factorExpression": "1e5", "exact": true, "url": "https://scientificconverters.com/units/bar/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"bar\"" } ] }, { "id": "millibar", "name": "millibar", "plural": "millibars", "symbol": "mbar", "symbolAscii": "mbar", "aliases": [ "mbar", "mb", "millibars", "hpa", "hectopascal" ], "factor": "100", "factorExpression": "100", "exact": true, "url": "https://scientificconverters.com/units/millibar/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"millibar\"" } ] }, { "id": "decibar", "name": "decibar", "plural": "decibars", "symbol": "dbar", "symbolAscii": "dbar", "aliases": [ "dbar", "decibars" ], "factor": "10000", "factorExpression": "1e4", "exact": true, "url": "https://scientificconverters.com/units/decibar/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"bar\", with SI prefix deci (10⁻¹)" } ] }, { "id": "torr", "name": "torr", "plural": "torr", "symbol": "Torr", "symbolAscii": "Torr", "aliases": [ "torr" ], "factor": "133.32236842105263158", "factorExpression": "101325/760", "exact": true, "url": "https://scientificconverters.com/units/torr/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"torr (Torr)\"" } ] }, { "id": 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"https://scientificconverters.com/units/centimeter-of-water/", "sources": [ { "title": "Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition", "url": "https://www.nist.gov/pml/special-publication-811", "locator": "Appendix B.8, \"centimeter of water, conventional (cmH2O)\"" } ] }, { "id": "inch-of-water", "name": "inch of water", "plural": "inches of water", "symbol": "inH₂O", "symbolAscii": "inH2O", "aliases": [ "inh2o", "in h2o", "in wc", "inwc", "iwc", "wc", "in wg", "inwg", "wg", "in. w.c.", "\"wc", "\" wc", "inches water column", "inches of water column", "inches water gauge", "inch water gauge", "inches of water" ], "factor": "249.08891", "factorExpression": "0.0254*1000*9.80665", "exact": true, "reference": "Conventional water column: ρ = 1000 kg/m³ and gₙ = 9.80665 m/s² (≈ water at 4 °C).", "url": "https://scientificconverters.com/units/inch-of-water/", "sources": [ { "title": "Guide for the Use of the International System of 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