Power Converter

Convert between watts and other practical power units.

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Related Conversions
2 hp to BTU/h 5 hp to BTU/h 10 hp to BTU/h 14.4 hp to BTU/h 19.8 hp to BTU/h 25 hp to BTU/h 43.2 hp to BTU/h 72 hp to BTU/h 75 hp to BTU/h 150 hp to BTU/h 250 hp to BTU/h 1,000 hp to BTU/h
Reverse Conversions
2 BTU/h to hp 20 BTU/h to hp 25 BTU/h to hp 28.8 BTU/h to hp 36 BTU/h to hp 43.2 BTU/h to hp 50 BTU/h to hp 75 BTU/h to hp 100 BTU/h to hp 180 BTU/h to hp 250 BTU/h to hp 1,000 BTU/h to hp
More Power Conversions
1 kW to hp 60 W to BTU/h 250 kW to hp 500 hp to kW 500 kW to hp 750 hp to kW 1,000 BTU/h to W 1,500 W to BTU/h 5,000 hp to kW 48,000 BTU/h to kW 60,000 BTU/h to kW 150,000 W to BTU/h

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Watts to Horsepower Horsepower to Watts Watts to Kilowatts Kilowatts to Watts Kilowatts to Horsepower Horsepower to Kilowatts BTU Per Hour to Watts Watts to BTU Per Hour BTU Per Hour to Kilowatts Kilowatts to BTU Per Hour

Common Benchmarks

Air conditioner 3500 W
E-bike motor 500 W
Toaster 1200 W
Desktop PC 300 W
LED bulb 10 W
Hair dryer 1800 W

Formula

BTU/h = hp × 2544.4335791393

Example

Example: convert 18 horsepower to BTU per hour.

18 hp = 45799.80442451 BTU/h

Conversion table

horsepower (hp) BTU per hour (BTU/h)
1 hp 2544.43357914 BTU/h
2 hp 5088.86715828 BTU/h
5 hp 12722.1678957 BTU/h
10 hp 25444.33579139 BTU/h
20 hp 50888.67158279 BTU/h
50 hp 127221.67895696 BTU/h
100 hp 254443.35791393 BTU/h

Explanation

These are both units.

How to convert horsepower to BTU per hour

  1. Start with the value in horsepower (hp).
  2. Multiply it by 2544.4335791393.
  3. The result is the measurement in BTU per hour (BTU/h).

Example: 18 hp → 45799.80442451 BTU/h

Frequently Asked Questions

How much is 18 horsepower in BTU per hour?

18 horsepower is about 45799.8 BTU per hour.

How many BTU per hour is 1 horsepower?

1 horsepower is about 2544.4 BTU per hour.

How many horsepower is 1 BTU per hour?

1 BTU per hour is about 0.000393015 horsepower.

What is the difference between horsepower and BTU per hour?

Both measure power, but they are commonly used in different contexts. The watt (W) is the SI unit and is widely used in electrical/device specs, while horsepower (hp) is a traditional unit often used to describe engines and machinery.

Where are horsepower and BTU per hour used?

Watts are common in electrical power/consumption (devices, appliances, lighting). Horsepower is commonly used for mechanical power (engines, pumps, compressors, machinery).

Why does 1 horsepower equal 2544.4 BTU per hour?

Because power units are defined with a fixed relationship, which determines the conversion factor.