Horsepower (Mech) to BTU/Minute Converter

Power Converter

22 units available

Decimals:

From

To

42.407226

1 hp = 42.407226 BTU/min

Formula:

BTU/min = hp × 42.4072262941

With your value: 1 hp = 42.40722629 BTU/min

How big is that?

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

LED bulb (1/83 your value)0.0121 hp

Laptop (1/11 your value)0.0872 hp

Your value1.00 hp

Microwave oven (1.3× your value)1.34 hp

Electric kettle (4.0× your value)4.02 hp

Family car engine (1.2e+2× your value)121 hp

Other Horsepower (Mech) to BTU/Minute conversions

2 hp to BTU/min 3 hp to BTU/min 4 hp to BTU/min 5 hp to BTU/min 6 hp to BTU/min 7 hp to BTU/min 8 hp to BTU/min

Horsepower (Mech) to BTU/Minute Conversion Table

Horsepower (Mech) (hp)	BTU/Minute (BTU/min)
0.5	21.203613
1	42.407226
2	84.814453
5	212.036131
10	424.072263
15	636.108394
20	848.144526
25	1,060.180657
50	2,120.361315
100	4,240.722629
250	10,601.806574
500	21,203.613147
1000	42,407.226294

BTU/Minute to Horsepower (Mech) Conversion Table

BTU/Minute (BTU/min)	Horsepower (Mech) (hp)
0.5	0.01179
1	0.023581
2	0.047162
5	0.117904
10	0.235809
15	0.353713
20	0.471618
25	0.589522
50	1.179044
100	2.358089
250	5.895222
500	11.790443
1000	23.580887

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.

Horsepower (Mech) (hp)

Power

Exact conversion

Mechanical horsepower is exactly 550 ft·lbf/s = 745.699 871 582 270 22 W.

Metric horsepower (PS) is 735.498 75 W — about 1.4 % lower.

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

BTU/Minute (BTU/min)

Power

Exact conversion

Derived from the watt (1 W = 1 J/s).

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 Horsepower (Mech) to BTU/Minute

To convert from Horsepower (Mech) (hp) to BTU/Minute (BTU/min), multiply the value by 42.4072262941.

Formula: BTU/min = hp × 42.4072262941

Reverse: hp = BTU/min × 0.0235808867

Step-by-Step Example

Start with your value in Horsepower (Mech). For example: 5 hp
Multiply by the conversion factor: 5 x 42.4072262941
The result is: 212.036131 BTU/min

About Horsepower (Mech)

The horsepower (mech) (hp) is a unit of power. One horsepower (mech) equals 745.6998716 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

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

About BTU/Minute

The btu/minute (BTU/min) is a unit of power. One btu/minute equals 17.58426421 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

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

Frequently Asked Questions

How many BTU/Minute are in 1 Horsepower (Mech)?

There are exactly 42.4072262941 BTU/Minute in 1 Horsepower (Mech). This means the conversion factor from Horsepower (Mech) to BTU/Minute is 42.4072262941.

What is the formula to convert Horsepower (Mech) to BTU/Minute?

The formula to convert Horsepower (Mech) to BTU/Minute is: BTU/min = hp × 42.4072262941. For example, to convert 10 Horsepower (Mech) to BTU/Minute, you would multiply 10 by 42.4072262941.

What is a Horsepower (Mech)?