Torque conversion tool
ft lbs to Nm Converter
Free ft lbs to Nm converter. Type a value, get an instant result, then check the formula, chart, and torque specs below.
01 / Torque reading
Formula: 1 ft lbs = 1.3558 Nm. Example: 140 ft lbs × 1.3558 ≈ 189.8 Nm.
02 / Formula
Conversion Formula
1 ft lbs = 1.3558 Nm
Multiply any value in ft lbs by 1.3558 to get the equivalent in Nm.
Worked example: 140 ft lbs × 1.3558 ≈ 189.8 Nm.
03 / Chart
Conversion Chart
Quick reference: ft lbs to Nm, from 10 to 200.
| ft lbs | Nm |
|---|---|
| 10 | 13.558 |
| 20 | 27.116 |
| 30 | 40.675 |
| 40 | 54.233 |
| 50 | 67.791 |
| 60 | 81.349 |
| 70 | 94.907 |
| 80 | 108.465 |
| 90 | 122.024 |
| 100 | 135.582 |
| 110 | 149.140 |
| 120 | 162.698 |
| 130 | 176.256 |
| 140 | 189.815 |
| 150 | 203.373 |
| 160 | 216.931 |
| 170 | 230.489 |
| 180 | 244.047 |
| 190 | 257.605 |
| 200 | 271.164 |
More tools
Common Torque Conversions
- Foot Pounds to Newton Meters Converter — Convert foot pounds to newton meters (Nm). Free ft lb to Nm converter with formula (1 ft lb = 1.3558 Nm), full chart and torque specs.
- in lbs to Nm Converter — Convert in lbs to Nm instantly. Free inch pounds to newton meters converter with formula (1 in lb = 0.113 Nm), chart & torque specs.
- Nm to ft lbs Converter — Convert Nm to ft lbs instantly. Free newton meters to foot pounds converter with formula (1 Nm = 0.7376 ft lbs), chart & torque wrench guide.
- kg m to ft lbs Converter — Convert kg m to ft lbs instantly. Free kilogram-meter (kgf-m) to foot pounds converter with formula (1 kg m = 7.233 ft lbs), chart & torque guide.
- Nm to ft lbs Conversion Chart — Printable Nm to ft lbs conversion chart (0 to 500 Nm in steps of 10). Newton meters to foot pounds table with formula, ready to hang in the garage.
- Nm to Inch Pounds Converter — Convert Nm to inch pounds (in lbs) instantly. Free newton meters to inch pounds converter with formula (1 Nm = 8.8508 in lbs), chart & specs.
04 / When to use
When Do You Need to Convert ft lbs to Nm?
Most North American torque wrenches read in foot pounds, but workshop and service manuals from Europe and Asia state torque in newton meters. Three jobs where you need to convert ft lbs to Nm before you pull:
- Following a factory manual. A Honda or BMW service manual may specify a bolt at 40 Nm, but your click wrench is scaled in ft lbs. 40 Nm is about 29.5 ft lbs — converting keeps you on the factory spec instead of guessing by feel.
- Lug nuts and wheel torque. Many passenger cars call for 80 to 103 ft lbs (about 110 to 140 Nm) at the wheel. Set the wrench in the unit it is marked in, then verify against the manual number in Nm.
- Engine and drivetrain bolts. Smaller fasteners like oil drain plugs and cover bolts often land in the 15 to 30 ft lbs range (about 20 to 40 Nm). Converting prevents the over-tightening that strips aluminum threads.
Keep a calculator on the bench, or just bookmark this page — type the ft lbs value and read the Nm equivalent instantly.
05 / FAQ
FAQ
What is 1 ft lb in Nm?
1 ft lb equals about 1.3558 Nm. So a one foot-pound torque is roughly 1.36 newton meters, slightly larger because the newton meter is the smaller unit.
What is 100 ft lbs in newton meters?
100 ft lbs is about 135.6 Nm (100 x 1.3558). That is a common torque for heavier wheel lug nuts and many truck and SUV drivetrain bolts.
What is 80 ft lbs in Nm?
80 ft lbs is about 108.5 Nm (80 x 1.3558). This sits right in the typical passenger-car wheel lug nut range, so it is one of the most common conversions at the tire shop.
Is ft lbs bigger than Nm?
Yes. One foot pound equals about 1.3558 newton meters, so the same torque shows a larger number in Nm than in ft lbs. To go the other way, multiply Nm by 0.7376.
How many ft lbs is 50 Nm?
50 Nm is about 36.9 ft lbs (50 x 0.7376). This is a mid-range spec for things like caliper bolts and smaller engine mounts.
Why do manuals use Nm if my wrench reads ft lbs?
Newton meters are the SI unit and most global automakers publish torque in Nm. North American wrenches are often still marked in ft lbs, so converting between the two is a regular step for anyone working on imported cars or bikes.