kW to BTU per Hour Converter

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Quick answer: To convert kW to BTU per Hour, multiply by 3,412.142. For example, 10 kW is 34,121.42 Btu/h. One kilowatt equals 3,412.142 Btu/h.

Use the kW to BTU per Hour Converter

kW to BTU per Hour formula and what each symbol means

Btu/h = kW × 3,412.142

Symbols used in the formula
SymbolMeaning
kWKilowatt
Btu/hBTU per hour

kW to BTU per Hour examples

1 kW

1 kW × 3,412.142 = 3,412.142 Btu/h.

10 kW

10 kW × 3,412.142 = 34,121.42 Btu/h.

100 kW

100 kW × 3,412.142 = 341,214.2 Btu/h.

kW compared with BTU per Hour

One kW is 3,412 times as large as one Btu/h, so your number gets bigger when you convert kW to BTU per Hour and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.

About kW and BTU per Hour

Kilowatt (kW): 1,000 watts.

Where kW to BTU per Hour conversions are used

Engines and motors are rated in kilowatts or horsepower, depending on the market. Appliances and chargers list their draw in watts, while air conditioners may quote BTU per hour.

How to calculate kW to BTU per Hour step by step

  1. Enter the value in kW (the starting unit).
  2. Multiply by 3,412.142, because 1 kW = 3,412.142 Btu/h.
  3. The product is the value in Btu/h. To go back, divide by 3,412.142 or multiply by 0.0002930711.

Popular power conversions

How to read your kW to BTU per Hour result

Quick estimate: multiply by about 3,400 to get BTU per Hour from kW; this is within 0.4% of the exact factor. Mechanical horsepower is about 745.7 W while metric horsepower (PS) is exactly 735.49875 W, so check which one a car or motor spec uses.

KWBTU PER HOUR
13,412.142
26,824.283
517,060.71
1034,121.42
2068,242.83
50170,607.1
100341,214.2
1,0003,412,142

BTU per Hour to kW: quick table

BTU PER HOURKW
10.0002930711
50.001465355
100.002930711
250.007326777
500.01465355
1000.02930711
2500.07326777
5000.1465355

Common mistakes when calculating kW to BTU per Hour

  • Assuming all horsepower figures are the same: mechanical hp is about 1.4% larger than metric PS.
  • Dividing when you should multiply: from kW to Btu/h multiply by 3,412.142; from Btu/h to kW divide by 3,412.142.

kW to BTU per Hour FAQ

How many Btu/h are in 1 kW?

1 kW equals 3,412.142 Btu/h.

How many kW are in 1 Btu/h?

1 Btu/h equals 0.0002930711 kW.

Is 1 kW = 3,412.142 Btu/h an exact conversion?

The factor is shown rounded to 7 significant figures (3,412.142). The calculator above uses more digits.

What is a kilowatt (kW)?

1,000 watts.

How can I estimate kW to BTU per Hour in my head?

Quick estimate: multiply by about 3,400 to get BTU per Hour from kW; this is within 0.4% of the exact factor.

What is 75 kW in BTU per Hour?

75 kW = 255,910.6 Btu/h (since 75 × 3,412.142).

What is 300 kW in BTU per Hour?

300 kW = 1,023,642 Btu/h (since 300 × 3,412.142).

What is 12 kW in BTU per Hour?

12 kW = 40,945.7 Btu/h (since 12 × 3,412.142).

How many decimals should I keep when converting kW to Btu/h?

Match the precision of your original measurement. For example, 34,121.42 Btu/h rounds to 34,100 Btu/h at 3 significant figures; keep more digits only for engineering or scientific work.

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Method, review and disclaimer

Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors