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Power

Browse Power conversions

1 horsepower = 2544.433578 BTU per hour

Reviewed June 18, 2026 Linear conversions use exact SI and international definitions where available. No account, tracking login, or third-party scoring required.
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Formula Summary

Result: 1 horsepower = 2544.433578 BTU per hour

Formula: (1 x 745.69987158227) / 0.293071070172

Rounding: Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision.

Real World Context

2544.433578 BTU per hour is approximately:

  • similar to a microwave oven
Unit Story

Horsepower

Horsepower was popularized to compare engines with working horses. It remains familiar for motors, vehicles, and machinery.

How This Conversion Works

Horsepower and BTU per hour are both used for power conversions. This page converts 1 horsepower into 2544.433578 BTU per hour using the formula shown below.

Use this result for quick checks, comparisons, and everyday reference. For work that depends on exact precision, review the rounding setting and the assumption note before using the number.

The precision controls let you switch between a shorter result, the standard readable result, and scientific notation when the value is very large or very small.

Unit Notes
  • 1 horsepower (hp) equals 745.6998715823 watt.
  • 1 BTU per hour (BTU/h) equals 0.2930710702 watt.

Questions

How do you convert horsepower to BTU per hour?

This page converts horsepower to BTU per hour using this formula: (1 x 745.69987158227) / 0.293071070172.

What is 1 horsepower in BTU per hour?

1 horsepower equals 2544.433578 BTU per hour.

How many decimals does this converter show?

Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision. The precision buttons can also show a shorter result or scientific notation.

Equivalent Values
745.6998715823 watt
0.7456998716 kilowatt
0.0007456999 megawatt
1 horsepower
1.0138696654 metric horsepower
2544.433577644 BTU per hour
178.2265467453 calorie per second
641.615568283 kilocalorie per hour
Nearby Values
0.5 horsepower 1272.216788822 BTU per hour
1 horsepower 2544.433577644 BTU per hour
2 horsepower 5088.867155288 BTU per hour
5 horsepower 12722.1678882201 BTU per hour
10 horsepower 25444.3357764402 BTU per hour
Full Details
Formula
(1 x 745.69987158227) / 0.293071070172
Rounding
Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision.
Assumption
Power units use SI watt definitions. Horsepower is mechanical horsepower at 745.6998715822702 watts; metric horsepower is 735.49875 watts.

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