BTU (IT) to Horsepower-Hour Converter

Energy Converter

27 units available

Decimals:

From

To

0.000393

1 BTU (IT) = 0.000393 hp·h

Formula:

hp·h = BTU (IT) × 0.0003930148

With your value: 1 BTU (IT) = 0.00039301 hp·h

How big is that?

Everyday references on a logarithmic scale, all expressed in btu (it) so you can sanity-check the result.

Heartbeat (1/1.1e+3 your value)0.000948 BTU (IT)

Your value1.00 BTU (IT)

AA battery charge (9.5× your value)9.48 BTU (IT)

Slice of bread (2.7e+2× your value)265 BTU (IT)

Daily food intake (8.0e+3× your value)7.96e+3 BTU (IT)

Litre of petrol (3.2e+4× your value)3.24e+4 BTU (IT)

Other BTU (IT) to Horsepower-Hour conversions

2 BTU (IT) to hp·h 3 BTU (IT) to hp·h 4 BTU (IT) to hp·h 5 BTU (IT) to hp·h 6 BTU (IT) to hp·h 7 BTU (IT) to hp·h 8 BTU (IT) to hp·h

BTU (IT) to Horsepower-Hour Conversion Table

BTU (IT) (BTU (IT))	Horsepower-Hour (hp·h)
0.5	0.000197
1	0.000393
2	0.000786
5	0.001965
10	0.00393
15	0.005895
20	0.00786
25	0.009825
50	0.019651
100	0.039301
250	0.098254
500	0.196507
1000	0.393015

Horsepower-Hour to BTU (IT) Conversion Table

Horsepower-Hour (hp·h)	BTU (IT) (BTU (IT))
0.5	1,272.216789
1	2,544.433578
2	5,088.867155
5	12,722.167888
10	25,444.335776
15	38,166.503665
20	50,888.671553
25	63,610.839441
50	127,221.678882
100	254,443.357765
250	636,108.394412
500	1,272,216.788824
1000	2,544,433.577648

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

BTU (IT) (BTU (IT))

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Horsepower-Hour (hp·h)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert BTU (IT) to Horsepower-Hour

To convert from BTU (IT) (BTU (IT)) to Horsepower-Hour (hp·h), multiply the value by 0.0003930148.

Formula: hp·h = BTU (IT) × 0.0003930148

Reverse: BTU (IT) = hp·h × 2,544.4335776477

Step-by-Step Example

Start with your value in BTU (IT). For example: 5 BTU (IT)
Multiply by the conversion factor: 5 x 0.0003930148
The result is: 0.001965 hp·h

About BTU (IT)

The btu (it) (BTU (IT)) is a unit of energy and work. One btu (it) equals 1055.055853 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

About Horsepower-Hour

The horsepower-hour (hp·h) is a unit of energy and work. One horsepower-hour equals 2.684520 × 10^+6 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

Frequently Asked Questions

How many Horsepower-Hour are in 1 BTU (IT)?

There are exactly 0.0003930148 Horsepower-Hour in 1 BTU (IT). This means the conversion factor from BTU (IT) to Horsepower-Hour is 0.0003930148.

What is the formula to convert BTU (IT) to Horsepower-Hour?

The formula to convert BTU (IT) to Horsepower-Hour is: hp·h = BTU (IT) × 0.0003930148. For example, to convert 10 BTU (IT) to Horsepower-Hour, you would multiply 10 by 0.0003930148.

What is a BTU (IT)?