US therms to British thermal units (IT)

1 therm (US) ≈ 99,980 BTU. Edit either value to convert instantly.

Value

From

1 therm (US)≈BTU

≈ 105,480,000 J

Decimal places

Conversion formula

BTU = therm (US) × (105,480,400) × (50,000,000 / 5.2752792631 × 10¹⁰)

1 therm (US) ≈ 99,976.1 BTU

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

British thermal unit (IT) (BTU)

British thermal unit (IT) is a unit of energy: 1 BTU = 1,055.05585262 J. Uses the International Table definition (IT), not the thermochemical BTU.

Source: NBSIR 81-2401, Appendix A3.2: International Table British thermal unit

Conversion table

therm (US)	BTU
	≈ 99,976.1
	≈ 199,952
	≈ 499,881
	≈ 999,761
	≈ 1,499,640
	≈ 1,999,520
	≈ 2,499,400
	≈ 2,999,280
	≈ 3,999,050
	≈ 4,498,930

therm (US)	BTU
	≈ 4,998,810
	≈ 5,998,570
	≈ 6,998,330
	≈ 7,998,090
	≈ 8,997,850
	≈ 9,997,610
	≈ 14,996,400
	≈ 15,996,200
	≈ 16,995,900
	≈ 17,995,700

Frequently asked questions

How many British thermal units (IT) are in 1 US therm?

1 therm (US) ≈ 99,980 BTU. BTU = therm (US) × (105,480,400) × (50,000,000 / 5.2752792631 × 10¹⁰)

How do I convert therm (US) to BTU?

BTU = therm (US) × (105,480,400) × (50,000,000 / 5.2752792631 × 10¹⁰)

Is 1 US therm bigger than 1 British thermal unit (IT)?

1 therm (US) ≈ 99,980 BTU.

Related conversions

Reverse conversion: British thermal units (IT) to US therms