BTU per Hour to Watts Converter

Enter BTU/hour values to instantly get the equivalent power in watts.

BTU/hour to Watts

Conversion formula

W = BTU/h × 0.29307107

Inverse: BTU/h = W × 3.41214

Common BTU/h Ratings

BTU/h Watts (W) kW

Summary

Enter BTU/hour values to instantly get the equivalent power in watts.

How it works

  1. Enter one or more BTU/hour values in the input field.
  2. The converter applies the exact factor: 1 BTU/h = 0.29307107 W.
  3. Results appear instantly in watts alongside common reference points.
  4. Use the bulk table to convert a range of standard BTU/h ratings at once.
  5. Copy any result or the full table with one click.

Use cases

  • Convert an air conditioner's BTU/h rating to watts for electricity cost calculations.
  • Compare heating appliance power output between BTU/h and watt specs.
  • Determine circuit load in watts when a furnace or boiler is rated in BTU/h.
  • Convert HVAC cooling capacity for international spec sheets that use watts.
  • Calculate generator sizing when load is specified in BTU/h.
  • Verify power ratings on imported appliances that list BTU/h instead of watts.

Frequently Asked Questions

Last updated: 2026-07-01 · Reviewed by Nham Vu