Horsepower (Boiler) to BTU/Hour Converter

Power Converter

22 units available

Decimals:

From

To

33,471.40335

1 hp (S) = 33,471.40335 BTU/h

Formula:

BTU/h = hp (S) × 33,471.4033501688

With your value: 1 hp (S) = 33,471.40335017 BTU/h

How big is that?

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

LED bulb (1/1.1e+3 your value)0.000917 hp (S)

Laptop (1/1.5e+2 your value)0.00663 hp (S)

Microwave oven (1/9.8 your value)0.102 hp (S)

Electric kettle (1/3.3 your value)0.306 hp (S)

Your value1.00 hp (S)

Family car engine (9.2× your value)9.17 hp (S)

Other Horsepower (Boiler) to BTU/Hour conversions

2 hp (S) to BTU/h 3 hp (S) to BTU/h 4 hp (S) to BTU/h 5 hp (S) to BTU/h 6 hp (S) to BTU/h 7 hp (S) to BTU/h 8 hp (S) to BTU/h

Horsepower (Boiler) to BTU/Hour Conversion Table

Horsepower (Boiler) (hp (S))	BTU/Hour (BTU/h)
0.5	16,735.701675
1	33,471.40335
2	66,942.8067
5	167,357.016751
10	334,714.033502
15	502,071.050253
20	669,428.067003
25	836,785.083754
50	1,673,570.167508
100	3,347,140.335017
250	8,367,850.837542
500	16,735,701.675084
1000	33,471,403.350169

BTU/Hour to Horsepower (Boiler) Conversion Table

BTU/Hour (BTU/h)	Horsepower (Boiler) (hp (S))
0.5	1.493812e-5
1	2.987625e-5
2	5.975250e-5
5	0.000149
10	0.000299
15	0.000448
20	0.000598
25	0.000747
50	0.001494
100	0.002988
250	0.007469
500	0.014938
1000	0.029876

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 (Boiler) (hp (S))

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

BTU/Hour (BTU/h)

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 (Boiler) to BTU/Hour

To convert from Horsepower (Boiler) (hp (S)) to BTU/Hour (BTU/h), multiply the value by 33,471.4033501688.

Formula: BTU/h = hp (S) × 33,471.4033501688

Reverse: hp (S) = BTU/h × 0.0000298762

Step-by-Step Example

Start with your value in Horsepower (Boiler). For example: 5 hp (S)
Multiply by the conversion factor: 5 x 33,471.4033501688
The result is: 167,357.016751 BTU/h

About Horsepower (Boiler)

The horsepower (boiler) (hp (S)) is a unit of power. One horsepower (boiler) equals 9809.5 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/Hour

The btu/hour (BTU/h) is a unit of power. One btu/hour equals 0.2930710702 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/Hour are in 1 Horsepower (Boiler)?

There are exactly 33,471.4033501688 BTU/Hour in 1 Horsepower (Boiler). This means the conversion factor from Horsepower (Boiler) to BTU/Hour is 33,471.4033501688.

What is the formula to convert Horsepower (Boiler) to BTU/Hour?

The formula to convert Horsepower (Boiler) to BTU/Hour is: BTU/h = hp (S) × 33,471.4033501688. For example, to convert 10 Horsepower (Boiler) to BTU/Hour, you would multiply 10 by 33,471.4033501688.

What is a Horsepower (Boiler)?