US therms to Thermochemical calories
1 therm (US) ≈ 25,210,000 cal. Edit either value to convert instantly.
Conversion formula
cal = therm (US) × (105,480,400) × (125 / 523)1 therm (US) ≈ 25,210,400 cal
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
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
Conversion table
| therm (US) | cal |
|---|---|
| ≈ 25,210,400 | |
| ≈ 50,420,800 | |
| ≈ 126,052,000 | |
| ≈ 252,104,000 | |
| ≈ 378,156,000 | |
| ≈ 504,208,000 | |
| ≈ 630,261,000 | |
| ≈ 756,313,000 | |
| ≈ 1.00842 × 10⁹ | |
| ≈ 1.13447 × 10⁹ |
| therm (US) | cal |
|---|---|
| ≈ 1.26052 × 10⁹ | |
| ≈ 1.51263 × 10⁹ | |
| ≈ 1.76473 × 10⁹ | |
| ≈ 2.01683 × 10⁹ | |
| ≈ 2.26894 × 10⁹ | |
| ≈ 2.52104 × 10⁹ | |
| ≈ 3.78156 × 10⁹ | |
| ≈ 4.03367 × 10⁹ | |
| ≈ 4.28577 × 10⁹ | |
| ≈ 4.53788 × 10⁹ |
Frequently asked questions
How many thermochemical calories are in 1 US therm?
1 therm (US) ≈ 25,210,000 cal. cal = therm (US) × (105,480,400) × (125 / 523)
How do I convert therm (US) to cal?
cal = therm (US) × (105,480,400) × (125 / 523)
Is 1 US therm bigger than 1 thermochemical calorie?
1 therm (US) ≈ 25,210,000 cal.
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