BTU/Second to BTU/Hour Converter

Power Converter

22 units available

Decimals:

From

To

3,600

1 BTU/s = 3,600 BTU/h

Formula:

BTU/h = BTU/s × 3,600

With your value: 1 BTU/s = 3,600 BTU/h

How big is that?

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

LED bulb (1/1.2e+2 your value)0.00853 BTU/s

Laptop (1/16 your value)0.0616 BTU/s

Microwave oven (1/1.1 your value)0.948 BTU/s

Your value1.00 BTU/s

Electric kettle (2.8× your value)2.84 BTU/s

Family car engine (85× your value)85.3 BTU/s

Other BTU/Second to BTU/Hour conversions

2 BTU/s to BTU/h 3 BTU/s to BTU/h 4 BTU/s to BTU/h 5 BTU/s to BTU/h 6 BTU/s to BTU/h 7 BTU/s to BTU/h 8 BTU/s to BTU/h

BTU/Second to BTU/Hour Conversion Table

BTU/Second (BTU/s)	BTU/Hour (BTU/h)
0.5	1,800
1	3,600
2	7,200
5	18,000
10	36,000
15	54,000
20	72,000
25	90,000
50	180,000
100	360,000
250	900,000
500	1,800,000
1000	3,600,000

BTU/Hour to BTU/Second Conversion Table

BTU/Hour (BTU/h)	BTU/Second (BTU/s)
0.5	0.000139
1	0.000278
2	0.000556
5	0.001389
10	0.002778
15	0.004167
20	0.005556
25	0.006944
50	0.013889
100	0.027778
250	0.069444
500	0.138889
1000	0.277778

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/Second (BTU/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 BTU/Second to BTU/Hour

To convert from BTU/Second (BTU/s) to BTU/Hour (BTU/h), multiply the value by 3,600.

Formula: BTU/h = BTU/s × 3,600

Reverse: BTU/s = BTU/h × 0.0002777778

Step-by-Step Example

Start with your value in BTU/Second. For example: 5 BTU/s
Multiply by the conversion factor: 5 x 3,600
The result is: 18,000 BTU/h

About BTU/Second

The btu/second (BTU/s) is a unit of power. One btu/second equals 1055.055853 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 BTU/Second?

There are exactly 3,600 BTU/Hour in 1 BTU/Second. This means the conversion factor from BTU/Second to BTU/Hour is 3,600.

What is the formula to convert BTU/Second to BTU/Hour?

The formula to convert BTU/Second to BTU/Hour is: BTU/h = BTU/s × 3,600. For example, to convert 10 BTU/Second to BTU/Hour, you would multiply 10 by 3,600.

What is a BTU/Second?