1 Therms to kWh

1 thm ≈ 29.3 kWh

1 US therm is approximately 29.3 kilowatt-hours.

How to convert 1 thm to kWh

Use the formula kWh = thm × 29.3001111:

kWh = 1 × 29.3001111
kWh = 29.300111

So 1 thm = 29.300111 kWh, or about 29.3 kWh rounded.

Rounded values and quick estimate

Rounded to a whole number: 29 kWh
Rounded to one decimal place: 29.3 kWh
Conversion factor: 1 US therm = 29.3 kilowatt-hours

Quick mental estimate: multiply by 29.3. For 1 thm that gives about 29.3 kWh — within 1% of the exact answer. Use the exact formula when precision matters.

1 Therms in other units

Kilowatt-hours: 29.3 kWh
Joules: 105480400 J
Kilojoules: 105480.4 kJ
Calories: 25210420.65 cal
Kilocalories (food Calories): 25210.42 kcal

1 thm and nearby values

US therms	Kilowatt-hours
1 thm	29.3 kWh
2 thm	58.6 kWh
3 thm	87.9 kWh
4 thm	117.2 kWh
5 thm	146.5 kWh

About us therms and kilowatt-hours

A US therm is 100,000 BTU (about 29.3 kWh). Natural gas bills in the US are often charged per therm.

A kilowatt-hour is 1,000 watts used for one hour (3.6 million joules). Electricity is billed per kWh.

Related conversions

Frequently asked questions

What is 1 Therms in kWh?

1 US therm is about 29.3 kilowatt-hours (1 thm ≈ 29.3 kWh).

How do you convert 1 thm to kWh?

Apply kWh = thm × 29.3001111: kWh = 1 × 29.3001111, kWh = 29.300111.

How many US therms is 29.3 kWh?

29.3 kWh is about 1 US therms.