Convert Foot-Pounds (ft·lb) to Inch-Pounds (in·lb)

When working with torque or energy, converting foot-pounds (ft·lb) to inch-pounds (in·lb) is essential. The conversion factor is simple: 1 ft·lb equals 12 in·lb, making it easy to switch between these measurements in various applications.

12

Conversion Formula

in·lb = ft·lb × 12

Reverse: ft·lb = in·lb × 0.0833333

Quick mental math: To quickly convert ft·lb to in·lb, just multiply by 12.

Conversion Examples

1 ft·lb × 12 =
12 in·lb
1 Foot-Pounds = 12 Inch-Pounds
5 ft·lb × 12 =
60 in·lb
5 Foot-Pounds = 60 Inch-Pounds
10 ft·lb × 12 =
120 in·lb
10 Foot-Pounds = 120 Inch-Pounds
25 ft·lb × 12 =
300 in·lb
25 Foot-Pounds = 300 Inch-Pounds
50 ft·lb × 12 =
600 in·lb
50 Foot-Pounds = 600 Inch-Pounds
100 ft·lb × 12 =
1,200 in·lb
100 Foot-Pounds = 1,200 Inch-Pounds

Foot-Pound to Inch-Pound Table

ft·lb =in·lb
Foot-Pound (ft·lb)Inch-Pound (in·lb)
112
224
336
448
560
672
784
896
9108
10120
11132
12144
13156
14168
15180
16192
17204
18216
19228
20240

Unit Definitions

What is a Foot-Pound (ft·lb)?

ImperialUnited States, United Kingdom

A foot-pound (ft·lb) is a unit of energy or torque based on the force applied over a distance of one foot.

History

The foot-pound has its roots in the British Imperial system, where it has been used for centuries in engineering and mechanical applications. Its practical use can be traced back to the industrial revolution, facilitating the standardization of measurements.

Current Use

Today, foot-pounds are commonly used in mechanical engineering and automotive industries to specify torque values and energy.

Learn more about Foot-Pound

What is a Inch-Pound (in·lb)?

ImperialUnited States

An inch-pound (in·lb) is a smaller unit of energy or torque, representing the amount of work done by a one-pound force acting over a distance of one inch.

History

Like the foot-pound, the inch-pound has origins in the British Imperial system. It became increasingly popular as machinery and engineering practices evolved, allowing for more precise measurements.

Current Use

Inch-pounds are widely used in fields such as construction, automotive repair, and many mechanical engineering applications where precise torque values are necessary.

Learn more about Inch-Pound

Frequently Asked Questions

How do I convert foot-pounds to inch-pounds for a construction project?
If you're using a torque wrench set to 5 ft·lb, you can easily convert this to inch-pounds by multiplying by 12. So, 5 ft·lb equals 60 in·lb. This is particularly useful when tightening bolts, as many torque specifications are given in inch-pounds.
What if I need to convert inch-pounds back to foot-pounds for a fitness application?
Suppose you have a workout machine that requires 30 in·lb of torque. To convert to foot-pounds, you would divide by 12. This results in 2.5 ft·lb, which can help you understand the force needed during your workout.
Can you provide an example from cooking that involves foot-pounds and inch-pounds?
Imagine you are using a mixer that requires 4 ft·lb of torque. To find out how much this is in inch-pounds, multiply by 12 to get 48 in·lb. This understanding can help you match your mixer’s power to the recipe requirements.
How does this conversion apply in automotive repair?
In automotive repair, mechanics often need to apply specific torque settings. If a bolt requires 10 ft·lb of torque, this translates to 120 in·lb when converted. Knowing this helps ensure that bolts are tightened to the correct specifications, preventing mechanical failures.
What is a practical application of this conversion in science experiments?
In a physics lab, you might need to apply a force of 6 ft·lb during an experiment. Converting this to inch-pounds gives you 72 in·lb, which could be crucial for accurately measuring energy transfer or rotational forces in your experiment.

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