1. Home
  2. /
  3. Tools
  4. /
  5. ft-lb to Nm torque converter

ft-lb to Nm torque converter

Convert torque between ft-lb, N·m, in-lb, and kgf·m. Type in any box and the others follow. Use it when a shop manual, torque wrench, and fastener spec are not in the same unit.

Common ft-lb values

Converted torque

25 ft-lb=33.9 N·m

Inch-pounds

300 in-lb

Kilogram-force meters

3.46 kgf·m

This is a unit conversion only. Use the spec for the fastener or vehicle, and a calibrated torque wrench.

How to convert torque units

  1. Enter a value in ft-lb, N·m, in-lb, or kgf·m.
  2. Read the matching values in the other units.
  3. Apply the vehicle or fastener spec with a calibrated torque wrench — this page only converts units.

Frequently asked questions

How many Nm is 25 ft-lb?

25 foot-pounds is 33.9 newton-meters, or 300 inch-pounds. Use the converter for any other value.

What is the difference between ft-lb and in-lb?

There are 12 inch-pounds in 1 foot-pound. Inch-pounds are common on smaller fasteners; foot-pounds are common on lug nuts and engine bolts.

What is kgf·m used for?

Kilogram-force meters appear in many Japanese shop manuals. 1 kgf·m is about 7.23 ft-lb or 9.81 N·m.

Related converters

  • SAE to metric wrench conversion chartConvert SAE inch wrenches and sockets to millimeters. See exact size, the closest metric wrench, and whether 3/8 and 10 mm are actually interchangeable.
  • Liters to cubic inches converterConvert engine displacement from liters to cubic inches and back. 5.7 L is 350 cid on a Chevy small-block, or 345 cid on a Hemi — both used in yard listings.
  • Free VIN decoderDecode a 17-character VIN free with NHTSA vPIC. See year, make, model, engine, body, plant, and trim. Spec lookup only — not a title or theft check.

Looking for used parts? Find junkyards near you by ZIP code on JunkPin.