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Therm to Watt hour

Convert Therm to Watt hour and get the exact value instantly.

About this conversion

To convert Therm to Watt hour, multiply the number of Therm by 29307.10702.

Energy shows up as joules, calories, kilowatt-hours or BTU depending on the field (nutrition, an electricity bill, heating or physics), so a conversion makes the numbers comparable.

Conversion table

Therm (thm)Watt hour (Wh)
1 thm29307.10702 Wh
2 thm58614.21403 Wh
5 thm146535.5351 Wh
10 thm293071.0702 Wh
100 thm2930710.702 Wh

How to use this converter

  1. Enter your Therm value

    Type any number into the Therm field. It starts at 1 so you can read the rate straight away.

  2. Read the Watt hour result

    The amount in Watt hour updates as you type, so there is no button to press and nothing to wait for.

  3. Swap or keep exploring

    Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Watt hour are in one Therm?
One Therm equals 29307.10702 Wh. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?
Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?
No. The Therm to Watt hour conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?
Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

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