Skip to content

Therms to kWh Calculator

Convert therms of natural gas to kilowatt-hours, and to BTU, ccf, and MMBtu. These are all units of energy, so a therm of gas and a kWh of electricity can be compared directly: 1 therm = 100,000 BTU ≈ 29.3 kWh. Handy for weighing a gas bill against electric, or sizing an electric replacement for a gas appliance.

1 therm = 100,000 BTU ≈ 29.3 kWh · 1 ccf of natural gas ≈ 1.037 therms · 1 MMBtu = 10 therms. These are all energy units, useful for comparing a gas bill (therms/ccf) against electricity (kWh).

Kilowatt-hours

29.307 kWh

Therms
1
Kilowatt-hours
29.307 kWh
BTU
100,000
ccf (gas)
0.964
MMBtu
0.1

Frequently asked questions

About 29.3 kWh. One therm is 100,000 BTU, and one kWh is 3,412 BTU, so 100,000 ÷ 3,412 ≈ 29.3 kWh per therm. To convert therms to kWh, multiply by 29.3; to go from kWh to therms, divide by 29.3.

Ask AI about this

Open an AI assistant with a question grounded in this page.

ChatGPTClaudePerplexityGoogle AIGrok

Related guides

Related tools

Related converters

Watts ↔ kWh

Convert watts to kilowatt-hours (or kWh to watts) by run time: turn an appliance's wattage into the energy it uses, the unit your utility bills.

Open converter

BTU ↔ kW

Convert BTU/hr to kW, watts, and refrigeration tons (or kW back to BTU) for heat pumps, AC, and furnaces: compare heating and cooling output across units.

Open converter

MWh ↔ kWh

Convert megawatt-hours to kilowatt-hours and back, plus watt-hours and gigawatt-hours. 1 MWh = 1,000 kWh. Enter any energy unit to see the rest.

Open converter

kWh ↔ MWh

Convert kilowatt-hours to megawatt-hours (MWh = kWh ÷ 1,000), plus watt-hours and gigawatt-hours. For utility data, solar production, and grid-scale figures.

Open converter
Cite or link to this pageAPA · MLA · Chicago · HTML

Free to cite, quote and link. Copy a ready-made citation: the link back is all we ask.

APA

WattSimple. (2026, July 19). Therms to kWh Calculator. https://wattsimple.com/convert/therms-to-kwh

MLA

"Therms to kWh Calculator." WattSimple, 19 July 2026, https://wattsimple.com/convert/therms-to-kwh.

Chicago

WattSimple. "Therms to kWh Calculator." Last modified July 19, 2026. https://wattsimple.com/convert/therms-to-kwh.

HTML link

<a href="https://wattsimple.com/convert/therms-to-kwh">Therms to kWh Calculator</a> (WattSimple)

Sources & standards

This tool's methodology and data follow US standards and authoritative public datasets: