---
title: "BTU per hour to Watts — BTU/h to W converter"
description: "1 BTU per hour = 0.29307 watts. Convert BTU per hour to watts with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/btu-per-hour-to-watts/
site: "At One Place"
---

# BTU per hour to watts

**1 BTU per hour in watts: 1 BTU/h = 0.29307 W**

W = BTU/h × 0.2930710702

To convert BTU per hour to watts, multiply by 0.2930710702. The table below gives the values people look up most often, and the converter works for any number.

## BTU per hour to watts table

*Common BTU per hour values converted to watts.*

| BTU per hour | Watts |
| --- | --- |
| 1 BTU/h | 0.29307 |
| 2 BTU/h | 0.58614 |
| 3 BTU/h | 0.87921 |
| 4 BTU/h | 1.172284 |
| 5 BTU/h | 1.465355 |
| 10 BTU/h | 2.930711 |
| 15 BTU/h | 4.396066 |
| 20 BTU/h | 5.861421 |
| 25 BTU/h | 7.326777 |
| 30 BTU/h | 8.792132 |
| 40 BTU/h | 11.72284 |
| 50 BTU/h | 14.65355 |
| 75 BTU/h | 21.98033 |
| 100 BTU/h | 29.30711 |
| 250 BTU/h | 73.26777 |
| 500 BTU/h | 146.5355 |
| 1,000 BTU/h | 293.0711 |

## How the conversion works

The relationship is W = BTU/h × 0.2930710702. Both units measure power, so the conversion is a fixed factor that never changes.

## Common questions

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

One BTU per hour equals 0.29307 watts. W = BTU/h × 0.2930710702.

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

Use W = BTU/h × 0.2930710702. So 10 BTU/h is 2.930711 W.

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

One watt equals 3.412142 BTU per hour, which is the reverse of the conversion above.

## Related pages

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

## 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/)