Therm to Joule Converter

Energy Converter

27 units available

Decimals:

From

To

105,505,585.262

1 thm = 105,505,585.262 J

Formula:

J = thm × 105,505,585.262

With your value: 1 thm = 105,505,585.262 J

How big is that?

Everyday references on a logarithmic scale, all expressed in therm so you can sanity-check the result.

Heartbeat (1/1.1e+8 your value)9.48e-9 thm

AA battery charge (1/1.1e+4 your value)0.0000948 thm

Slice of bread (1/3.8e+2 your value)0.00265 thm

Daily food intake (1/13 your value)0.0796 thm

Litre of petrol (1/3.1 your value)0.324 thm

Your value1.00 thm

Other Therm to Joule conversions

2 thm to J 3 thm to J 4 thm to J 5 thm to J 6 thm to J 7 thm to J 8 thm to J

Therm to Joule Conversion Table

Therm (thm)	Joule (J)
0.5	52,752,792.631
1	105,505,585.262
2	211,011,170.524
5	527,527,926.31
10	1,055,055,852.62
15	1,582,583,778.93
20	2,110,111,705.24
25	2,637,639,631.55
50	5,275,279,263.099999
100	10,550,558,526.199999
250	26,376,396,315.5
500	52,752,792,631
1000	105,505,585,262

Joule to Therm Conversion Table

Joule (J)	Therm (thm)
0.5	4.739086e-9
1	9.478171e-9
2	1.895634e-8
5	4.739086e-8
10	9.478171e-8
15	1.421726e-7
20	1.895634e-7
25	2.369543e-7
50	4.739086e-7
100	9.478171e-7
250	2.369543e-6
500	4.739086e-6
1000	9.478171e-6

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Therm (thm)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Joule (J)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Therm to Joule

To convert from Therm (thm) to Joule (J), multiply the value by 105,505,585.262.

Formula: J = thm × 105,505,585.262

Reverse: thm = J × 9.478171e-9

Step-by-Step Example

Start with your value in Therm. For example: 5 thm
Multiply by the conversion factor: 5 x 105,505,585.262
The result is: 527,527,926.31 J

About Therm

The therm (thm) is a unit of energy and work. One therm equals 1.055056 × 10^+8 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

About Joule

The joule is the SI unit of energy. One joule equals the work done when a force of one newton moves an object one meter.

Common uses: physics, electrical engineering, chemistry.

Frequently Asked Questions

How many Joule are in 1 Therm?

There are exactly 105,505,585.262 Joule in 1 Therm. This means the conversion factor from Therm to Joule is 105,505,585.262.

What is the formula to convert Therm to Joule?

The formula to convert Therm to Joule is: J = thm × 105,505,585.262. For example, to convert 10 Therm to Joule, you would multiply 10 by 105,505,585.262.

What is a Therm?