Convert Foot-pound per Second to BTU per Second

Enter the number of foot-pounds per second that you want to convert to btu per second.

1 ft·lb/s (foot-pounds per second) = 0.0012850675 BTU/s (btu per second)

How to Convert Foot-pounds per Second to BTU per Second

The foot-pound per second and btu per second are both units of power. 1 btu per second equals 778.16926228 foot-pounds per second. This means to convert foot-pounds per second to btu per second, you divide by 778.16926228.

Formula

btu per second = foot-pounds per second ÷ 778.16926228

Step-by-Step Example

Convert 5 ft·lb/s to btu per second:

1
Convert 5 ft·lb/s to btu per second

We need to convert foot-pounds per second to btu per second

2
Apply the formula

Since 1 BTU/s = 778.16926228 ft·lb/s, divide by 778.16926228

5 ÷ 778.16926228 = 0.0064253373

Answer

5 ft·lb/s = 0.0064253373 BTU/s

Foot-pound per Second to BTU per Second Conversion Table

Quick reference table for common foot-pound per second to btu per second conversions. Click any value for detailed calculation.

Foot-pounds per Second (ft·lb/s) BTU per Second (BTU/s)
0.1 ft·lb/s 0.0001285067 BTU/s
0.5 ft·lb/s 0.0006425337 BTU/s
1 ft·lb/s 0.0012850675 BTU/s
2 ft·lb/s 0.0025701349 BTU/s
5 ft·lb/s 0.0064253373 BTU/s
10 ft·lb/s 0.0128506746 BTU/s
25 ft·lb/s 0.0321266866 BTU/s
50 ft·lb/s 0.0642533732 BTU/s
100 ft·lb/s 0.1285067463 BTU/s

About These Units

Foot-pound per Second (ft·lb/s)

Foot-pounds per second (ft·lb/s) is an imperial power unit equal to 1.356 watts. Used in mechanical engineering and historical contexts. One mechanical horsepower equals exactly 550 foot-pounds per second. Relates torque and rotational speed in imperial units.

BTU per Second (BTU/s)

BTU per second (BTU/s) equals 1,055 watts or 3,600 BTU per hour. BTU/s measures high-power thermal processes, industrial burners, and rapid heating applications. Rarely used compared to BTU/h; primarily appears in engineering calculations.

Frequently Asked Questions

How do I convert foot-pounds per second to btu per second?

To convert foot-pounds per second to btu per second, divide the value by 778.16926228. For example, 10 ft·lb/s = 0.0128506746 BTU/s.

How many btu per second are in 1 foot-pound per second?

1 foot-pound per second equals 0.0012850675 btu per second.

What is the formula for foot-pounds per second to btu per second?

The formula is: BTU/s = ft·lb/s ÷ 778.16926228.