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BTU to Kilowatt Hours

Convert BTU to kWh quickly with this free online calculator. The page explains the conversion rule, gives practical examples and provides a quick reference table.

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CONVERTED RESULT—
Decimal places
CONVERSION RULE

1 BTU equals approximately 0.000293071 kWh.

How to use the BTU to Kilowatt Hours

  1. Enter the number you want to convert.
  2. Confirm the source unit shown beside the input.
  3. Choose decimal precision if you need more or less detail.
  4. Read the converted result.
  5. Copy the result when you need to use it elsewhere.

How the conversion works

1 BTU equals approximately 0.000293071 kWh.

For a simple fixed-factor conversion, the calculator multiplies the entered value by the stated factor. Temperature scales and certain specialized tools use their specific mathematical relationship instead.

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Common BTU to kWh conversions

BTUkWh
1 BTU0.000293 kWh
2 BTU0.000586 kWh
5 BTU0.001465 kWh
10 BTU0.002931 kWh
20 BTU0.005861 kWh
50 BTU0.014654 kWh

Example

For example, entering 1 BTU gives approximately 0.000293 kWh using the rule above. Change the input to test your own value.

Frequently asked questions

The BTU to Kilowatt Hours converts a value from BTU to kWh using the conversion relationship described on this page.
Enter your value, review the source and destination units, choose the decimal precision and read or copy the result.
1 BTU equals approximately 0.000293071 kWh.
Use enough precision for your purpose. Everyday estimates usually need fewer decimal places; technical work may require more.
It can be a useful reference calculation, but safety-critical, regulated, contractual or specialized work should be verified against the applicable authoritative standard.

Accuracy note: This calculator is a practical reference. For regulated, safety-critical or specialized work, verify the result against the applicable standard.

Page reviewed: August 24, 2026.