Energy & Power

Kilojoules to Therms

Convert kilojoules to therms instantly. 1 kJ = 9.47817e-06 thm. Includes the exact factor, a conversion table of common values and the definition of both units.

kJ
Therms
One step, one exact factorKilojouleswhat you have× 9.47817e-06Thermswhat you getBoth units are defined against the same base unit, so the factor is exact — never an approximation.

How to convert kilojoules to therms

To convert kilojoules to therms, divide by 105505.585262 (multiply by 9.47817e-06). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.

thm = kJ × 9.47817e-06

Kilojoules to Therms conversion table

The values people look up most often, rounded for reading. Use the calculator above for anything in between.

KilojoulesTherms
1 kJ9.478e-06 thm
2 kJ1.896e-05 thm
3 kJ2.843e-05 thm
5 kJ4.739e-05 thm
10 kJ9.478e-05 thm
20 kJ0.0001896 thm
25 kJ0.000237 thm
50 kJ0.0004739 thm
100 kJ0.0009478 thm
500 kJ0.004739 thm
1,000 kJ0.009478 thm

What is a kilojoule?

A thousand joules. Food energy is labelled in kilojoules outside the US.

What is a therm?

100,000 BTU. The unit on US and UK gas bills.

The formula

thm = kJ × 9.47817e-06

Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.

How to use the Kilojoules to Therms

  1. Type the number of kilojoules you want to convert.
  2. Read the result in therms straight away — there is no button to press.
  3. Check the table below for the values that come up most often, or reverse the conversion with the linked therms to kilojoules page.

Kilojoules to Therms — frequently asked questions

How many therms are in a kilojoule?

One kilojoule equals 9.47817e-06 thm. thm = kJ × 9.47817e-06

What is the formula to convert kilojoules to therms?

The formula is thm = kJ × 9.47817e-06. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.

How do I convert therms back to kilojoules?

Divide instead of multiplying: one therm is 105505.585262 kJ. The reverse converter is linked in the related tools list.

Is this conversion exact?

Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.

Is this kilojoules to therms free to use?

Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.

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This page answers each of these searches. They are the exact phrases visitors use to find the kilojoules to therms.

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About this calculator

Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.

Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error