Torque Conversion Chart: N·m, kgf·m, lbf·ft

Torque conversion chart: N·m, kN·m, kgf·m, kgf·cm, lbf·ft, lbf·in and ozf·in equivalents, with common values such as 10 N·m or 50 lbf·ft.

For reference. Verify the application conditions and the applicable standard.

Visible rows: 40

Unit equivalents

Torque conversion chart
From	N·mm	N·m	kN·m	kgf·m	kgf·cm	lbf·ft	lbf·in	ozf·in
	Equals, in the unit of the column
1 N·mm	1	0.001	1×10⁻⁶	0.0001019716	0.01019716	0.0007375621	0.008850746	0.1416119
1 N·m	1000	1	0.001	0.1019716	10.19716	0.7375621	8.850746	141.6119
1 kN·m	1000000	1000	1	101.9716	10197.16	737.5621	8850.746	141611.9
1 kgf·m	9806.65	9.80665	0.00980665	1	100	7.233014	86.79617	1388.739
1 kgf·cm	98.0665	0.0980665	0.0000980665	0.01	1	0.07233014	0.8679617	13.88739
1 lbf·ft	1355.818	1.355818	0.001355818	0.138255	13.8255	1	12	192
1 lbf·in	112.9848	0.1129848	0.0001129848	0.01152125	1.152125	0.08333333	1	16
1 ozf·in	7.061552	0.007061552	7.061552×10⁻⁶	0.0007200779	0.07200779	0.005208333	0.0625	1

Common values

Common values
From	N·mm	N·m	kN·m	kgf·m	kgf·cm	lbf·ft	lbf·in	ozf·in
	Equals, in the unit of the column
1 N·m	1000	1	0.001	0.1019716	10.19716	0.7375621	8.850746	141.6119
2 N·m	2000	2	0.002	0.2039432	20.39432	1.475124	17.70149	283.2239
5 N·m	5000	5	0.005	0.5098581	50.98581	3.687811	44.25373	708.0597
10 N·m	10000	10	0.01	1.019716	101.9716	7.375621	88.50746	1416.119
20 N·m	20000	20	0.02	2.039432	203.9432	14.75124	177.0149	2832.239
25 N·m	25000	25	0.025	2.549291	254.9291	18.43905	221.2686	3540.298
50 N·m	50000	50	0.05	5.098581	509.8581	36.87811	442.5373	7080.597
100 N·m	100000	100	0.1	10.19716	1019.716	73.75621	885.0746	14161.19
200 N·m	200000	200	0.2	20.39432	2039.432	147.5124	1770.149	28322.39
500 N·m	500000	500	0.5	50.98581	5098.581	368.7811	4425.373	70805.97
1 kgf·m	9806.65	9.80665	0.00980665	1	100	7.233014	86.79617	1388.739
2 kgf·m	19613.3	19.6133	0.0196133	2	200	14.46603	173.5923	2777.477
5 kgf·m	49033.25	49.03325	0.04903325	5	500	36.16507	433.9808	6943.693
10 kgf·m	98066.5	98.0665	0.0980665	10	1000	72.33014	867.9617	13887.39
20 kgf·m	196133	196.133	0.196133	20	2000	144.6603	1735.923	27774.77
50 kgf·m	490332.5	490.3325	0.4903325	50	5000	361.6507	4339.808	69436.93
100 kgf·m	980665	980.665	0.980665	100	10000	723.3014	8679.617	138873.9
1 lbf·ft	1355.818	1.355818	0.001355818	0.138255	13.8255	1	12	192
5 lbf·ft	6779.09	6.77909	0.00677909	0.6912748	69.12748	5	60	960
10 lbf·ft	13558.18	13.55818	0.01355818	1.38255	138.255	10	120	1920
20 lbf·ft	27116.36	27.11636	0.02711636	2.765099	276.5099	20	240	3840
25 lbf·ft	33895.45	33.89545	0.03389545	3.456374	345.6374	25	300	4800
50 lbf·ft	67790.9	67.7909	0.0677909	6.912748	691.2748	50	600	9600
100 lbf·ft	135581.8	135.5818	0.1355818	13.8255	1382.55	100	1200	19200
200 lbf·ft	271163.6	271.1636	0.2711636	27.65099	2765.099	200	2400	38400
500 lbf·ft	677909	677.909	0.677909	69.12748	6912.748	500	6000	96000
5 lbf·in	564.9241	0.5649241	0.0005649241	0.05760623	5.760623	0.4166667	5	80
10 lbf·in	1129.848	1.129848	0.001129848	0.1152125	11.52125	0.8333333	10	160
20 lbf·in	2259.697	2.259697	0.002259697	0.2304249	23.04249	1.666667	20	320
50 lbf·in	5649.241	5.649241	0.005649241	0.5760623	57.60623	4.166667	50	800
100 lbf·in	11298.48	11.29848	0.01129848	1.152125	115.2125	8.333333	100	1600
200 lbf·in	22596.97	22.59697	0.02259697	2.304249	230.4249	16.66667	200	3200

Quick answers

1 kgf·m = 9.80665 N·m = 9806.65 N·mm. View in table
1 kgf·cm = 0.0980665 N·m = 98.0665 N·mm. View in table
1 lbf·ft = 1.355818 N·m = 1355.818 N·mm. View in table
1 lbf·in = 0.1129848 N·m = 112.9848 N·mm. View in table
1 ozf·in = 0.007061552 N·m = 7.061552 N·mm. View in table

Conditions and notes

Conversion between torque units only. Factors are exact definitions and displayed numbers are rounded to 7 significant digits.

This is not a tightening torque recommendation. The bolt class and the lubrication condition determine the tightening torque.
kgf·m and lbf·ft depend on standard gravity (9.80665 m/s²), not on the local acceleration.
The joule has the same dimension as N·m but measures energy. It is not written in place of torque.

Each row is a starting value. The columns show the same torque in the other units. For example, the 1 lbf·ft row gives about 1.356 in the N·m column. The shaded diagonal cells are the unit itself. The common values section below reads typical torques such as 10 N·m, 25 N·m or 50 lbf·ft at a glance.

Torque is force times lever arm, so its unit is a product of two units. Torques with a force unit such as kgf·m and lbf·ft rest on standard gravity (9.80665 m/s²). lbf·ft and ft·lbf are the same factor, only the order of writing differs. Energy units (joule) and torque units have the same dimension but are different quantities.

This chart only converts units. It does not give a recommended tightening torque for a bolt or nut, because that value depends on the material, the lubrication and the joint.

Sources

This table is for preliminary reference. Check the applicable standard and product conditions before use.

Source 1. SP 811:2008. Accessed: 2026-10-16
Source 2. SP 811:2008. Accessed: 2026-10-16

Data version: 2026-10-16