Convert Torque from Kilogram-meters to Centinewton-meters (kgm to cNm)

Kilogram-meter to Centinewton-meter Conversion Formula

Example

Let's convert 5 Kilogram-meter (kgm) to Centinewton-meter (cNm).

Using the formula:

Therefore, 5 Kilogram-meter (kgm) is equal to 4903.3249998938675 Centinewton-meter (cNm).

How many kilogram-meters are in one centinewton-meter? One Centinewton-meter (cNm) contains 0.0010197162130000000063 Kilogram-meters (kgm) — the inverse of the factor above. Multiplying by 980.6649999787735 takes you from kilogram-meters to centinewton-meters; multiplying by 0.0010197162130000000063 brings you back.

Put in words: one kilogram-meter equals 980.6649999787735 centinewton-meters, so the kilogram-meter is the larger unit of this pair. Converting between them never changes the amount of torque being measured — only the size of the unit you count it in.

What Is a Kilogram-meter (kgf·m)?

A kilogram-meter (kgf·m), sometimes written kg·m or kgm, is the torque produced by one kilogram-force acting at one metre from the axis.

• 1 kgf·m = 9.80665 N·m

A Gravitational Metric Unit

Like the kilogram-force it derives from, this unit builds the Earth's gravity into its definition. That made it convenient before SI was standardised — a 1 kg weight hung on a 1 m arm gives exactly 1 kgf·m — but it is deprecated in modern engineering, where N·m is the correct unit.

Where You Still Meet It

• Older Japanese and European vehicles — service manuals from the 1970s and 1980s specify torque in kgf·m.
• Motorcycle specifications, where engine torque is still occasionally quoted in kgf·m.
• Legacy torque wrenches with kgf·m scales.
• Older industrial machinery documentation.

If a workshop manual gives 11 kgf·m for a wheel nut, that is roughly 108 N·m — a normal modern figure, just written in an older unit.

Converting Kilogram-meter

What Is a Centinewton-meter (cN·m)?

A centinewton-meter (cN·m) is one hundredth of a newton-meter — a metric SI-prefixed unit for very small torques.

• 1 cN·m = 0.01 N·m
• 1 N·m = 100 cN·m

Why Such a Small Unit

Some torques are genuinely tiny. A spectacle hinge screw, a watch case back or a miniature connector may need a fraction of a newton-meter. Writing 8 cN·m is clearer and safer on a specification than 0.08 N·m, where a missing zero changes the value tenfold.

Because centi is a plain SI prefix, the conversion is exact and involves no measurement standard — just a shift of the decimal point.

Where Centinewton-meters Are Used

• Precision instruments and optics — small retaining screws.
• Electronics assembly — miniature terminal screws and board standoffs.
• Watchmaking and eyewear.
• Torque screwdriver ratings in the sub-newton-meter range.

Converting Centinewton-meter

Kilogram-meter to Centinewton-meter Conversion Table

Here are some quick reference conversions from Kilogram-meter (kgm) to Centinewton-meter (cNm):