Convert kgf/mm² to Inches of Water (60 °F)
1 kilogram-force per square millimetre (kgf/mm²) = 39409.45989 inches of water (60 °F) (inH₂O (60 °F)). 1 inH₂O (60 °F) = 0.00002537461824 kgf/mm². Example: 15 kgf/mm² = 15 × 39409.45989 = 591141.8984 inH₂O (60 °F).
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1 kgf/mm² = 39409.45989 inH₂O (60 °F)
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk kilogram-force per square millimetre to inch of water (60 °F) converter to paste a column from Excel.
How to Convert Kilogram-force per Square Millimetre to Inch of Water (60 °F)
- 1 kgf/mm² = 39409.45989 inH₂O (60 °F)
- 1 inH₂O (60 °F) = 0.00002537461824 kgf/mm²
- Example: convert 15 kgf/mm² to inH₂O (60 °F): 15 kgf/mm² = 15 × 39409.45989 inH₂O (60 °F) = 591141.8984 inH₂O (60 °F)
Reference conditions. inH₂O (60 °F): Water at 60 °F (15.6 °C), density ≈ 999.0 kg/m³, standard gravity. NIST value, 5 significant figures.
Formula
inH₂O (60 °F) = kgf/mm² × 39409.45989391
Derivation from SI units:
- 1 kgf/mm² = 9.80665 N ÷ 1 mm² = 9.80665 MPa (exact)
- 1 inH₂O (60 °F) ≈ 999.0 kg/m³ × 9.80665 m/s² × 0.0254 m ≈ 248.84 Pa
- 1 kgf/mm² = 9806650 Pa ÷ 248.84 Pa per inH₂O (60 °F) = 39409.45989391 inH₂O (60 °F)
One unit is a measured value, so the factor is approximate. Kilogram-force per Square Millimetre definition: kilogram-force per square millimetre; Inch of Water (60 °F) definition: inch of water (60 °F).
Worked examples
- A reading of 24 kgf/mm² converts to 945827.0375 inH₂O (60 °F).
24 kgf/mm² × 39409.45989 = 945827.0375 inH₂O (60 °F) - A value of 50 kgf/mm² is 1970472.995 inH₂O (60 °F).
50 kgf/mm² × 39409.45989 = 1970472.995 inH₂O (60 °F)
Kilogram-force per Square Millimetre to Inch of Water (60 °F) conversion table
| Kilograms-force per Square Millimetre (kgf/mm²) | Inches of Water (60 °F) (inH₂O (60 °F)) |
|---|---|
| 1 kgf/mm² | 39409.45989 inH₂O (60 °F) |
| 5 kgf/mm² | 197047.2995 inH₂O (60 °F) |
| 10 kgf/mm² | 394094.5989 inH₂O (60 °F) |
| 20 kgf/mm² | 788189.1979 inH₂O (60 °F) |
| 24 kgf/mm² | 945827.0375 inH₂O (60 °F) |
| 30 kgf/mm² | 1182283.797 inH₂O (60 °F) |
| 36 kgf/mm² | 1418740.556 inH₂O (60 °F) |
| 40 kgf/mm² | 1576378.396 inH₂O (60 °F) |
| 50 kgf/mm² | 1970472.995 inH₂O (60 °F) |
| 60 kgf/mm² | 2364567.594 inH₂O (60 °F) |
| 80 kgf/mm² | 3152756.792 inH₂O (60 °F) |
| 100 kgf/mm² | 3940945.989 inH₂O (60 °F) |
| 120 kgf/mm² | 4729135.187 inH₂O (60 °F) |
Where it's used
Kilograms-force per Square Millimetre are used for tensile strength in older JIS and GB steel standards, while inches of water (60 °F) appear in older US gas-industry and flow-meter references. Both measure pressure, stress and differential pressure (force per unit area), so the conversion is a fixed factor.
Kilogram-force per Square Millimetre to other pressure units
| Conversion | 1 kgf/mm² equals |
|---|---|
| kilogram-force per square millimetre to inch of water (60 °F) | 39409.45989 inH₂O (60 °F) |
| kilogram-force per square millimetre to pascal | 9806650 Pa |
| kilogram-force per square millimetre to kilopascal | 9806.65 kPa |
| kilogram-force per square millimetre to ksi | 1.422334331 ksi |
| kilogram-force per square millimetre to kilogram-force per square centimetre | 100 kgf/cm² |
| kilogram-force per square millimetre to psi | 1422.334331 psi |
| kilogram-force per square millimetre to bar | 98.0665 bar |
| kilogram-force per square millimetre to millimeter of mercury | 73555.91353 mmHg |
Show 12 more units
| kilogram-force per square millimetre to inch of water | 39370.07874 inH₂O |
|---|---|
| kilogram-force per square millimetre to atmosphere | 96.78411054 atm |
| kilogram-force per square millimetre to megapascal | 9.80665 MPa |
| kilogram-force per square millimetre to gigapascal | 0.00980665 GPa |
| kilogram-force per square millimetre to newton per square millimetre | 9.80665 N/mm² |
| kilogram-force per square millimetre to millibar | 98066.5 mbar |
| kilogram-force per square millimetre to torr | 73555.92401 Torr |
| kilogram-force per square millimetre to millimeter of water | 1000000 mmH₂O |
| kilogram-force per square millimetre to centimeter of water | 100000 cmH₂O |
| kilogram-force per square millimetre to inch of mercury | 2895.902107 inHg |
| kilogram-force per square millimetre to decibar | 980.665 dbar |
| kilogram-force per square millimetre to barye | 98066500 Ba |
Frequently asked questions
How many inches of water (60 °F) are in 1 kilogram-force per square millimetre?
1 kgf/mm² = 39409.45989 inH₂O (60 °F).
How do I convert kilograms-force per square millimetre to inches of water (60 °F)?
Multiply the value in kgf/mm² by 39409.45989. For example, 15 kgf/mm² × 39409.45989 = 591141.8984 inH₂O (60 °F).
Is the kgf/mm² to inH₂O (60 °F) conversion exact?
Not exactly. The inch of water (60 °F) is a measured value (Water at 60 °F (15.6 °C), density ≈ 999.0 kg/m³, standard gravity. NIST value, 5 significant figures.). Results are good to about 5 significant figures.
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "kilogram-force per square millimeter".
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "inch of water (60 °F)".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert kgf/mm² to Inches of Water (60 °F). Retrieved October 25, 2026, from https://scientificconverters.com/pressure/kilogram-force-per-square-millimeter-to-inch-of-water-60f/
IEEE
Scientific Converters, "Convert kgf/mm² to Inches of Water (60 °F)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/pressure/kilogram-force-per-square-millimeter-to-inch-of-water-60f/