Convert 9 BTU/Hour (BTU/h) to Horsepower (Elec) (hp (E)).

9 BTU/Hour equals 0.003536 Horsepower (Elec). Multiply 9 by 0.0003928567.

9 BTU/Hour = 0.003536 Horsepower (Elec)

Worked example: converting BTU/Hour to Horsepower (Elec)

Step 1 — start with the formula. hp (E) = BTU/h × 0.0003928567
Step 2 — substitute your figure. 9 BTU/h × 0.0003928567
Step 3 — read the result. 9 BTU/h = 0.003536 hp (E)
Step 4 — check it in reverse. BTU/h = hp (E) × 2,545.4576583135 returns 9.0007 BTU/h, which matches the figure you started with.

Power Converter

22 units available

Decimals:

From

To

0.003536

9 BTU/h = 0.003536 hp (E)

Formula:

hp (E) = BTU/h × 0.0003928567

With your value: 9 BTU/h = 0.00353571 hp (E)

How big is that?

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

Your value9.00 BTU/h

LED bulb (3.4× your value)30.7 BTU/h

Laptop (25× your value)222 BTU/h

Microwave oven (3.8e+2× your value)3.41e+3 BTU/h

Electric kettle (1.1e+3× your value)1.02e+4 BTU/h

Family car engine (3.4e+4× your value)3.07e+5 BTU/h

Other BTU/Hour to Horsepower (Elec) conversions

5 BTU/h to hp (E)6 BTU/h to hp (E)7 BTU/h to hp (E)8 BTU/h to hp (E)10 BTU/h to hp (E)11 BTU/h to hp (E)12 BTU/h to hp (E)Full BTU/Hour to Horsepower (Elec) converter

BTU/Hour to Horsepower (Elec) Conversion Table

BTU/Hour (BTU/h)	Horsepower (Elec) (hp (E))
0.5	0.000196
1	0.000393
2	0.000786
5	0.001964
10	0.003929
15	0.005893
20	0.007857
25	0.009821
50	0.019643
100	0.039286
250	0.098214
500	0.196428
1000	0.392857

Horsepower (Elec) to BTU/Hour Conversion Table

Horsepower (Elec) (hp (E))	BTU/Hour (BTU/h)
0.5	1,272.728829
1	2,545.457658
2	5,090.915317
5	12,727.288292
10	25,454.576583
15	38,181.864875
20	50,909.153166
25	63,636.441458
50	127,272.882916
100	254,545.765831
250	636,364.414578
500	1,272,728.829157
1000	2,545,457.658313

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/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

Horsepower (Elec) (hp (E))

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 BTU/Hour to Horsepower (Elec)

To convert from BTU/Hour (BTU/h) to Horsepower (Elec) (hp (E)), multiply the value by 0.0003928567.

Formula: hp (E) = BTU/h × 0.0003928567

Reverse: BTU/h = hp (E) × 2,545.4576583135

Step-by-Step Example

Start with your value in BTU/Hour. For example: 5 BTU/h
Multiply by the conversion factor: 5 x 0.0003928567
The result is: 0.001964 hp (E)

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.

About Horsepower (Elec)

The horsepower (elec) (hp (E)) is a unit of power. One horsepower (elec) equals 746 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

What is 9 BTU/Hour in Horsepower (Elec)?

9 BTU/Hour equals 0.003536 Horsepower (Elec).

How many Horsepower (Elec) are in 1 BTU/Hour?

There are exactly 0.0003928567 Horsepower (Elec) in 1 BTU/Hour. This means the conversion factor from BTU/Hour to Horsepower (Elec) is 0.0003928567.

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

The formula to convert BTU/Hour to Horsepower (Elec) is: hp (E) = BTU/h × 0.0003928567. For example, to convert 10 BTU/Hour to Horsepower (Elec), you would multiply 10 by 0.0003928567.

What is a BTU/Hour?