Thermochemical calories to US therms
1 cal ≈ 3.967 × 10⁻⁸ therm (US). Edit either value to convert instantly.
Conversion formula
therm (US) = cal × (4.184) × (1 / 105,480,400)1 cal ≈ 3.96661 × 10⁻⁸ therm (US)
thermochemical calorie (cal)
Thermochemical calorie is a unit of energy: 1 cal = 4.184 J. The thermochemical definition is used; 1,000 cal = 1 kcal.
Source: NIST SP 811, Appendix B.9: conversion factors by quantity
US therm (therm (US))
US therm is a unit of energy: 1 therm (US) = 105,480,400 J. This is the US therm; the EC therm is 105,506,000 J and the IT therm is 105,505,585.262 J.
Source: NIST SP 811, Appendix B.9: conversion factors by quantity
Conversion table
| cal | therm (US) |
|---|---|
| ≈ 3.96661 × 10⁻⁸ | |
| ≈ 7.93323 × 10⁻⁸ | |
| ≈ 1.98331 × 10⁻⁷ | |
| ≈ 3.96661 × 10⁻⁷ | |
| ≈ 5.94992 × 10⁻⁷ | |
| ≈ 7.93323 × 10⁻⁷ | |
| ≈ 9.91653 × 10⁻⁷ | |
| ≈ 0.00000118998 | |
| ≈ 0.00000158665 | |
| ≈ 0.00000178498 |
| cal | therm (US) |
|---|---|
| ≈ 0.00000198331 | |
| ≈ 0.00000237997 | |
| ≈ 0.00000277663 | |
| ≈ 0.00000317329 | |
| ≈ 0.00000356995 | |
| ≈ 0.00000396661 | |
| ≈ 0.00000594992 | |
| ≈ 0.00000634658 | |
| ≈ 0.00000674324 | |
| ≈ 0.0000071399 |
Frequently asked questions
How many US therms are in 1 thermochemical calorie?
1 cal ≈ 3.967 × 10⁻⁸ therm (US). therm (US) = cal × (4.184) × (1 / 105,480,400)
How do I convert cal to therm (US)?
therm (US) = cal × (4.184) × (1 / 105,480,400)
Is 1 thermochemical calorie bigger than 1 US therm?
1 cal ≈ 3.967 × 10⁻⁸ therm (US).
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