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Frequently Asked Questions — ft-lb to N·m

Question: How do you convert foot-pounds to newton meters?

Answer: Multiply by 1.3558179483. For example, 100 ft-lb x 1.3558 = 135.58 N·m.

Question: How many N·m is 1 ft-lb?

Answer: 1 ft-lb = 1.3558179483 N·m (approximately 1.356 N·m).

Question: How many N·m is 100 ft-lb?

Answer: 100 x 1.3558 = 135.58 N·m. This is a common torque specification for automotive wheel lug nuts.

Question: What is 200 ft-lb in N·m?

Answer: 200 x 1.3558 = 271.16 N·m. This torque range is used for engine head bolts and suspension components.

Question: What is foot-pound used for?

Answer: Foot-pounds (ft-lbf) measure torque or energy in the US imperial system. Engine torque specs, bolt tightening torque, and firearm bullet energy are commonly expressed in ft-lb in the United States.