Convert Milliwatts per Metre Kelvin to cal/(s·cm·°C)
1 milliwatt per metre kelvin (mW/(m·K)) = 0.000002390057361 calories per second centimetre degree Celsius (cal/(s·cm·°C)). 1 cal/(s·cm·°C) = 418400 mW/(m·K). Example: 15 mW/(m·K) = 15 × 0.000002390057361 = 0.00003585086042 cal/(s·cm·°C).
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1 mW/(m·K) = 0.000002390057361 cal/(s·cm·°C)
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk milliwatt per metre kelvin to calorie per second centimetre degree Celsius converter to paste a column from Excel.
How to Convert Milliwatt per Metre Kelvin to cal/(s·cm·°C)
- 1 mW/(m·K) = 0.000002390057361 cal/(s·cm·°C)
- 1 cal/(s·cm·°C) = 418400 mW/(m·K)
- Example: convert 15 mW/(m·K) to cal/(s·cm·°C): 15 mW/(m·K) = 15 × 0.000002390057361 cal/(s·cm·°C) = 0.00003585086042 cal/(s·cm·°C)
Reference conditions. cal/(s·cm·°C): Thermochemical calorie (4.184 J)
Formula
cal/(s·cm·°C) = mW/(m·K) ÷ 418400
Derivation from SI units:
- 1 mW/(m·K) = 0.001 W/(m·K)
- 1 cal_th/(s·cm·°C) = 4.184 J ÷ (1 s × 0.01 m × 1 K) = 418.4 W/(m·K) (exact)
- 1 mW/(m·K) = 0.001 W/(m·K) ÷ 418.4 W/(m·K) per cal/(s·cm·°C) = 0.000002390057361377 cal/(s·cm·°C)
Both units are defined exactly, so the factor is exact. Milliwatt per Metre Kelvin definition: milliwatt per metre kelvin; cal/(s·cm·°C) definition: calorie per second centimetre degree Celsius.
Worked examples
- A reading of 22 mW/(m·K) converts to 0.00005258126195 cal/(s·cm·°C).
22 mW/(m·K) × 0.000002390057361 = 0.00005258126195 cal/(s·cm·°C) - A value of 30 mW/(m·K) is 0.00007170172084 cal/(s·cm·°C).
30 mW/(m·K) × 0.000002390057361 = 0.00007170172084 cal/(s·cm·°C)
Milliwatt per Metre Kelvin to cal/(s·cm·°C) conversion table
| Milliwatts per Metre Kelvin (mW/(m·K)) | cal/(s·cm·°C) |
|---|---|
| 10 mW/(m·K) | 0.00002390057361 cal/(s·cm·°C) |
| 15 mW/(m·K) | 0.00003585086042 cal/(s·cm·°C) |
| 18 mW/(m·K) | 0.0000430210325 cal/(s·cm·°C) |
| 22 mW/(m·K) | 0.00005258126195 cal/(s·cm·°C) |
| 24 mW/(m·K) | 0.00005736137667 cal/(s·cm·°C) |
| 26 mW/(m·K) | 0.0000621414914 cal/(s·cm·°C) |
| 30 mW/(m·K) | 0.00007170172084 cal/(s·cm·°C) |
| 32 mW/(m·K) | 0.00007648183556 cal/(s·cm·°C) |
| 35 mW/(m·K) | 0.00008365200765 cal/(s·cm·°C) |
| 40 mW/(m·K) | 0.00009560229446 cal/(s·cm·°C) |
Where it's used
Milliwatts per Metre Kelvin are used for insulation product data (λ-values), while calories per second centimetre degree Celsius appear in older scientific literature. Both measure thermal conductivity (k, λ), so the conversion is a fixed factor.
Milliwatt per Metre Kelvin to other thermal conductivity units
| Conversion | 1 mW/(m·K) equals |
|---|---|
| milliwatt per metre kelvin to calorie per second centimetre degree Celsius | 0.000002390057361 cal/(s·cm·°C) |
| milliwatt per metre kelvin to watt per metre kelvin | 0.001 W/(m·K) |
| milliwatt per metre kelvin to BTU per hour foot degree Fahrenheit | 0.0005777893165 BTU/(h·ft·°F) |
| milliwatt per metre kelvin to BTU inch per hour square foot degree Fahrenheit | 0.006933471799 BTU·in/(h·ft²·°F) |
| milliwatt per metre kelvin to kilocalorie per hour metre degree Celsius | 0.0008598452279 kcal/(h·m·°C) |
| milliwatt per metre kelvin to watt per centimetre kelvin | 0.00001 W/(cm·K) |
Frequently asked questions
How many calories per second centimetre degree Celsius are in 1 milliwatt per metre kelvin?
1 mW/(m·K) = 0.000002390057361 cal/(s·cm·°C).
How do I convert milliwatts per metre kelvin to calories per second centimetre degree Celsius?
Multiply the value in mW/(m·K) by 0.000002390057361, or divide it by 418400. For example, 15 mW/(m·K) × 0.000002390057361 = 0.00003585086042 cal/(s·cm·°C).
Is the mW/(m·K) to cal/(s·cm·°C) conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 4, coherent derived units with special names.
- 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, "calorie_th per centimeter second degree Celsius [cal_th/(cm · s · °C)]".
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 Milliwatts per Metre Kelvin to cal/(s·cm·°C). Retrieved October 25, 2026, from https://scientificconverters.com/thermal-conductivity/milliwatts-per-meter-kelvin-to-calories-per-second-centimeter-celsius/
IEEE
Scientific Converters, "Convert Milliwatts per Metre Kelvin to cal/(s·cm·°C)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/thermal-conductivity/milliwatts-per-meter-kelvin-to-calories-per-second-centimeter-celsius/