PS to BTU per Hour Converter

ConversionEdited by Hemant Kumar and Anjita Rai, founders · How we checkUpdated Free · No sign-up

Quick answer: To convert PS to BTU per Hour, multiply by 2,509.626. For example, 10 PS is 25,096.26 Btu/h. One metric horsepower equals 2,509.626 Btu/h.

Use the PS to BTU per Hour Converter

PS to BTU per Hour formula and what each symbol means

Btu/h = PS × 2,509.626

Symbols used in the formula
SymbolMeaning
PSMetric horsepower
Btu/hBTU per hour

PS to BTU per Hour examples

1 PS

1 PS × 2,509.626 = 2,509.626 Btu/h.

10 PS

10 PS × 2,509.626 = 25,096.26 Btu/h.

100 PS

100 PS × 2,509.626 = 250,962.6 Btu/h.

PS compared with BTU per Hour

One PS is 2,510 times as large as one Btu/h, so your number gets bigger when you convert PS 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 PS and BTU per Hour

Metric horsepower (PS): Metric horsepower (Pferdestärke), exactly 735.49875 watts.

Where PS 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 PS to BTU per Hour step by step

  1. Enter the value in PS (the starting unit).
  2. Multiply by 2,509.626, because 1 PS = 2,509.626 Btu/h.
  3. The product is the value in Btu/h. To go back, divide by 2,509.626 or multiply by 0.0003984658.

Popular power conversions

How to read your PS to BTU per Hour result

Quick estimate: multiply by about 2,500 to get BTU per Hour from PS; 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.

PSBTU PER HOUR
12,509.626
25,019.252
512,548.13
1025,096.26
2050,192.52
50125,481.3
100250,962.6
1,0002,509,626

BTU per Hour to PS: quick table

BTU PER HOURPS
10.0003984658
50.001992329
100.003984658
250.009961644
500.01992329
1000.03984658
2500.09961644
5000.1992329

Common mistakes when calculating PS 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 PS to Btu/h multiply by 2,509.626; from Btu/h to PS divide by 2,509.626.

PS to BTU per Hour FAQ

How many Btu/h are in 1 PS?

1 PS equals 2,509.626 Btu/h.

How many PS are in 1 Btu/h?

1 Btu/h equals 0.0003984658 PS.

Is 1 PS = 2,509.626 Btu/h an exact conversion?

The factor is shown rounded to 7 significant figures (2,509.626). The calculator above uses more digits.

What is a metric horsepower (PS)?

Metric horsepower (Pferdestärke), exactly 735.49875 watts.

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

Quick estimate: multiply by about 2,500 to get BTU per Hour from PS; this is within 0.4% of the exact factor.

What is 60 PS in BTU per Hour?

60 PS = 150,577.6 Btu/h (since 60 × 2,509.626).

What is 250 PS in BTU per Hour?

250 PS = 627,406.5 Btu/h (since 250 × 2,509.626).

What is 7 PS in BTU per Hour?

7 PS = 17,567.38 Btu/h (since 7 × 2,509.626).

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

Match the precision of your original measurement. For example, 25,096.26 Btu/h rounds to 25,100 Btu/h at 3 significant figures; keep more digits only for engineering or scientific work.

More in Power converters

See all power converters tools · All Conversion calculators · Site map

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