Authoritative definitions of the International System of Units and SI prefixes.
Dedicated unit pair
Kilowatt-hours to BTU (International Table)
Convert kWh to BTU instantly, then review the formula, assumptions, and rounding guidance.
Energy, work, heat & powerInstant result
Decimals
Formula result = input × 3600000 ÷ 1055.05585262. 1 kWh = 3,412.1416 BTU
Common examples
One value, several units
Joules3,600,000 J
Kilojoules3,600 kJ
Megajoules3.6 MJ
Watt-hours1,000 Wh
Thermochemical calories860,420.6501 cal
Kilocalories860.4207 kcal
BTU (International Table)3,412.1416 BTU
Conversion table
| kWh | BTU |
|---|---|
| 1 kWh | 3,412.1416 BTU |
| 2 kWh | 6,824.2833 BTU |
| 5 kWh | 17,060.7082 BTU |
| 10 kWh | 34,121.4163 BTU |
| 25 kWh | 85,303.5408 BTU |
| 50 kWh | 170,607.0817 BTU |
| 100 kWh | 341,214.1633 BTU |
Conversion chart
1 kWh3,412.1416 BTU
5 kWh17,060.7082 BTU
10 kWh34,121.4163 BTU
25 kWh85,303.5408 BTU
50 kWh170,607.0817 BTU
Worked example
1 kilowatt-hour equals exactly 3.6 megajoules.
Unit definition
Kilowatt-hours (kWh) One kilowatt-hours equals 3,600,000 joule.
Unit history
Kilowatt-hours is represented here using its modern SI definition or an internationally accepted relationship to an SI base unit.
Step by step
1. Parse the value, including fractions.
2. Convert kWh to joule.
3. Convert the base value to BTU and apply your display precision.
Understand the result before using it
Kilowatt-hours to BTU (International Table) converts a value measured in Kilowatt-hours (kWh) into the equivalent value in BTU (International Table) (BTU). The numerical value changes because the size and definition of the selected unit changes; the underlying quantity does not.
Calculated result
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.
Formula, assumptions, and example
Formula
result = input × 3600000 ÷ 1055.05585262
Assumptions
- Kilowatt-hours and BTU (International Table) represent the same energy, work & heat quantity.
- The input is expressed in kWh; the output is expressed in BTU.
- The unit definitions and conventional relationship shown on this page apply.
Worked example
1 kWh = 3,412.14163313 BTU. For another value, apply the same relationship and round only to the precision your source measurement supports.
When to use it
Good uses
- Read a kWh measurement in a document that expects BTU.
- Compare a kilowatt-hours value with a value reported in btu (international table).
- Check the kWh-to-BTU arithmetic before copying the result into another calculation.
Limitations
Common mistakes to avoid
- Do not confuse kWh with another unit that has a similar name or symbol.
- Round the output to a precision justified by the original measurement.
- Verify safety-critical, regulated, laboratory, and contractual conversions against the controlling standard.
Sources and further reading
These references explain the underlying standards or provide authoritative context. Your own contract, institution, clinician, product documentation, local code, or governing standard may be the controlling source.
Guidance on unit names, symbols, conversions, and numerical presentation.
Questions about this calculation
How do I convert Kilowatt-hours to BTU (International Table)?
result = input × 3600000 ÷ 1055.05585262 Using the displayed relationship, 1 kWh equals 3,412.14163313 BTU.
How many BTU (International Table) are in one Kilowatt-hours?
One Kilowatt-hours is 3,412.14163313 BTU (International Table). The displayed digits may be rounded.
Can I reverse the kWh to BTU conversion?
Yes. Swap the source and target units in the converter. The reverse relationship converts BTU back to kWh.
Is the Kilowatt-hours to BTU (International Table) result exact?
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.