Convert BTU per hour to foot-pounds per second

1 BTU/h=0.2162ft·lbf/s

Use the converter below to change any BTU per hour value into foot-pounds per second instantly — with formula, conversion table, and real-world examples.

You have

Equals

0.21616

Conversion formula

Forward

foot-pounds per second = BTU per hour × 0.2162

Reverse

BTU per hour = foot-pounds per second × 4.62624

Example: 10 BTU/h × 0.2162 = 2.16158 ft·lbf/s.

About both units

From

BTU per Hour

BTU/h

BTU per hour equals 0.293 watts. It is the standard power unit for US HVAC — air conditioners, heaters and boilers. A 24,000 BTU/h AC provides 7 kW of cooling.

Real-world: Small window AC: 5000 BTU/h. Central AC: 24,000 BTU/h. Home furnace: 80,000 BTU/h.

Read full btu per hour reference →

Foot-Pound per Second

ft·lbf/s

Foot-pound per second equals 1.356 watts. Historical US mechanical-engineering unit, now largely replaced by watts or hp. Still appears in older engineering texts.

Real-world: Largely historical; modern specs use W or hp.

Read full foot-pound per second reference →

BTU per Hour to Foot-Pound per Second conversion table

Common BTU per hour to foot-pounds per second values for quick reference.

BTU per Hour (BTU/h)	Foot-Pound per Second (ft·lbf/s)
1 BTU/h	0.2162 ft·lbf/s
5 BTU/h	1.08079 ft·lbf/s
10 BTU/h	2.16158 ft·lbf/s
50 BTU/h	10.8079 ft·lbf/s
100 BTU/h	21.6158 ft·lbf/s
500 BTU/h	108.079 ft·lbf/s
1,000 BTU/h	216.158 ft·lbf/s
5,000 BTU/h	1,080.79 ft·lbf/s
10,000 BTU/h	2,161.58 ft·lbf/s
50,000 BTU/h	10,807.91 ft·lbf/s

Tips & common mistakes

Quick tips

1 BTU/h = 0.293 W; 3412 BTU/h = 1 kW.
12,000 BTU/h = 1 ton of refrigeration.
Tons of AC rating: divide BTU/h by 12,000.

Avoid these

Confusing BTU (energy) with BTU/h (power) — same abbreviation in ads.
Mixing tons of AC and tons of weight — different concepts.
Using BTU/h for non-HVAC contexts.

Frequently asked questions

How many foot-pounds per second in a btu per hour?

One btu per hour equals 0.2162 foot-pounds per second.

How do I convert BTU per hour to foot-pounds per second?

Multiply the btu per hour value by 0.2162 to get the equivalent in foot-pounds per second.

What is 100 BTU per hour in foot-pounds per second?

100 BTU per hour equals 21.6158 foot-pounds per second.

Is a btu per hour bigger than a foot-pound per second?

No. 1 btu per hour equals 0.2162 foot-pounds per second, so one btu per hour is smaller.

How to convert BTU per hour to foot-pounds per second without a calculator?

Multiply by 0.22 for a quick estimate; use a calculator for precise results.

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