---
title: "Horsepowers to BTU per hour — hp to BTU/h converter"
description: "1 horsepower = 2,544.4336 BTU per hour. Convert horsepowers to BTU per hour with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/hp-to-btu-per-hour/
site: "At One Place"
---

# Horsepowers to BTU per hour

**1 horsepower in BTU per hour: 1 hp = 2,544.4336 BTU/h**

BTU/h = hp × 2,544.433578

To convert horsepowers to BTU per hour, multiply by 2,544.433578. The table below gives the values people look up most often, and the converter works for any number.

## Horsepowers to BTU per hour table

*Common horsepower values converted to BTU per hour.*

| Horsepowers | BTU per hour |
| --- | --- |
| 1 hp | 2,544.4336 |
| 2 hp | 5,088.8672 |
| 3 hp | 7,633.3007 |
| 4 hp | 10,177.734 |
| 5 hp | 12,722.168 |
| 10 hp | 25,444.336 |
| 15 hp | 38,166.504 |
| 20 hp | 50,888.672 |
| 25 hp | 63,610.839 |
| 30 hp | 76,333.007 |
| 40 hp | 101,777.34 |
| 50 hp | 127,221.68 |
| 75 hp | 190,832.52 |
| 100 hp | 254,443.36 |
| 250 hp | 636,108.39 |
| 500 hp | 1,272,216.8 |
| 1,000 hp | 2,544,433.6 |

## How the conversion works

The relationship is BTU/h = hp × 2,544.433578. Both units measure power, so the conversion is a fixed factor that never changes.

> Horsepower: Mechanical horsepower.

## Common questions

### How many BTU per hour are in one horsepower?

One horsepower equals 2,544.4336 BTU per hour. BTU/h = hp × 2,544.433578.

### How do you convert horsepowers to BTU per hour?

Use BTU/h = hp × 2,544.433578. So 10 hp is 25,444.336 BTU/h.

### How many horsepowers are in one BTU per hour?

One BTU per hour equals 0.000393 horsepowers, which is the reverse of the conversion above.

### Is there more than one kind of horsepower?

Mechanical horsepower.

## Related pages

- [BTU per hour to Horsepowers](https://atoneplace.net/convert/btu-per-hour-to-hp/)
- [Horsepowers to Watts](https://atoneplace.net/convert/hp-to-watts/)
- [Horsepowers to Kilowatts](https://atoneplace.net/convert/hp-to-kilowatts/)
- [Horsepowers to Megawatts](https://atoneplace.net/convert/hp-to-megawatts/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)