Kilogram-force meter to Newton meter Converter
Enter the value that you want to convert kilogram-force meter (kgf*m) to newton meter (N*m) or newton meter to kilogram-force meter.Also written as KGF*M to N*M conversion.
1 kilogram-force meter = 9.8066500 newton meter
Formula: newton meter = kilogram-force meter value × 9.8066500
KGF*M to N*M — kilogram-force meter to newton meter
10 kilogram-force meter = 98.06650 newton meter
Popular Torque Converters:
Kilogram-force meter vs Newton meter
The Kilogram-force meter in Engineering
Kilogram-force meter (kgf*m) is a unit of torque measurement. 1 kilogram-force meter is equal to 9.8066500 newton meter.
About the Newton meter
Newton meter (N*m) is a unit of torque measurement. 1 newton meter is equal to 0.1019716 kilogram-force meter.
Torque Units in Mechanical Engineering
Torque appears in newton-meters (SI), pound-force feet (US automotive), kilogram-force meters (some Asian specifications), and ounce-force inches (small fasteners). Every bolt torque specification, engine output curve, and electric motor datasheet requires understanding the correct unit. Cross-referencing between American and European automotive repair manuals is a daily conversion task for mechanics.
kilogram-force meter to newton meter metric conversion table
| 0.01 kgf*m | = | 0.09807 N*m |
| 0.1 kgf*m | = | 0.98067 N*m |
| 1 kgf*m | = | 9.80665 N*m |
| 2 kgf*m | = | 19.61330 N*m |
| 3 kgf*m | = | 29.41995 N*m |
| 4 kgf*m | = | 39.22660 N*m |
| 5 kgf*m | = | 49.03325 N*m |
| 6 kgf*m | = | 58.83990 N*m |
| 7 kgf*m | = | 68.64655 N*m |
| 8 kgf*m | = | 78.45320 N*m |
| 9 kgf*m | = | 88.25985 N*m |
| 10 kgf*m | = | 98.06650 N*m |
| 11 kgf*m | = | 107.87315 N*m |
| 12 kgf*m | = | 117.67980 N*m |
| 13 kgf*m | = | 127.48645 N*m |
| 14 kgf*m | = | 137.29310 N*m |
| 15 kgf*m | = | 147.09975 N*m |
| 16 kgf*m | = | 156.90640 N*m |
| 17 kgf*m | = | 166.71305 N*m |
| 18 kgf*m | = | 176.51970 N*m |
| 19 kgf*m | = | 186.32635 N*m |
| 20 kgf*m | = | 196.13300 N*m |
| 30 kgf*m | = | 294.19950 N*m |
| 40 kgf*m | = | 392.26600 N*m |
| 50 kgf*m | = | 490.33250 N*m |
| 60 kgf*m | = | 588.39900 N*m |
| 70 kgf*m | = | 686.46550 N*m |
| 80 kgf*m | = | 784.53200 N*m |
| 90 kgf*m | = | 882.59850 N*m |
| 100 kgf*m | = | 980.66500 N*m |
| 200 kgf*m | = | 1961.33000 N*m |
| 300 kgf*m | = | 2941.99500 N*m |
| 400 kgf*m | = | 3922.66000 N*m |
| 500 kgf*m | = | 4903.32500 N*m |
| 600 kgf*m | = | 5883.99000 N*m |
| 700 kgf*m | = | 6864.65500 N*m |
| 800 kgf*m | = | 7845.32000 N*m |
| 900 kgf*m | = | 8825.98500 N*m |
| 1000 kgf*m | = | 9806.65000 N*m |
How to Convert KGF*M to N*M (Kilogram-force meter to Newton meter)?
We can convert kilogram-force meter to newton meter by using an example.
Example:
Convert 20 Kilogram-force meter to Newton meter?
We know 1 Kilogram-force meter = 9.8066500 newton meter; 1 Newton meter = 0.1019716 kilogram-force meter.
20 kilogram-force meter = ___N*m
20 × 9.8066500 = 196.13300 N*m (we know 1 kilogram-force meter = 9.8066500 newton meter)
Answer:
20 kilogram-force meter = 196.13300 newton meter
Kilogram-Force Meters to Newton-Meters: Modernizing Legacy Torque Specs
Converting kgf·m to N·m updates legacy torque specifications to the modern SI standard. Since 1 kgf = 9.80665 N (the weight of 1 kg under standard gravity), the factor is 1 kgf·m = 9.80665 N·m. This conversion is essential when working from older Japanese motorcycle or European industrial manuals.
- Start with the torque in kgf·m.
- Multiply by 9.80665.
- The result is the torque in N·m.
- Example: 5 kgf·m × 9.80665 = 49.0 N·m.
kgf·m to N·m Conversion Reference
Legacy metric torque specs updated to SI:
| Kilogram-force meter | Newton meter |
|---|---|
| 1 kgf·m | 9.81 N·m |
| 2 kgf·m | 19.6 N·m |
| 3.5 kgf·m | 34.3 N·m |
| 5 kgf·m | 49.0 N·m |
| 8 kgf·m | 78.5 N·m |
| 10 kgf·m | 98.1 N·m |
| 15 kgf·m | 147.1 N·m |
| 30 kgf·m | 294.2 N·m |
Worked Examples: kgf·m to N·m
Question 1: A 1985 Honda service manual specifies 12 kgf·m for the crankshaft bolt. What is the N·m equivalent?
Solution:
N·m = kgf·m × 9.80665
= 12 × 9.80665
= 117.7 N·m
Answer: 12 kgf·m = 117.7 N·m — use 118 N·m on a modern torque wrench.
Question 2: A vintage Ducati manual lists 3 kgf·m for the timing cover. Convert to N·m.
Solution:
N·m = kgf·m × 9.80665
= 3 × 9.80665
= 29.4 N·m
Answer: 3 kgf·m = 29.4 N·m for the timing cover bolts.
Question 3: An industrial motor mounting bolt spec is 25 kgf·m. Express in N·m.
Solution:
N·m = kgf·m × 9.80665
= 25 × 9.80665
= 245.2 N·m
Answer: 25 kgf·m = 245.2 N·m — a substantial bolt requiring a large torque wrench.
Practice: kgf·m to N·m
Try solving these on your own to test your understanding:
- Convert 4 kgf·m to N·m. (Answer: 39.2 N·m)
- A spec says 7.5 kgf·m. Express in N·m. (Answer: 73.5 N·m)
- Convert 1.5 kgf·m to N·m. (Answer: 14.7 N·m)
- An old manual says 20 kgf·m for the head bolts. What is this in N·m? (Answer: 196.1 N·m)
- Convert 0.5 kgf·m to N·m. (Answer: 4.9 N·m)
Reading Vintage Japanese Motorcycle Manuals
Pre-2000 Japanese service manuals (Honda, Yamaha, Suzuki, Kawasaki) list all torque specs in kgf·m. The format is typically "T: 5.5 kgf·m (54 N·m, 40 ft·lb)" in newer editions or simply "5.5 kgf-m" in older ones. When only kgf·m is shown, multiply by 9.81 for N·m or by 7.23 for ft·lb. Many aftermarket manuals (Haynes, Clymer) have already converted these to N·m and ft·lb.
Physical Intuition Behind kgf·m
The kgf·m unit has a tangible interpretation: 1 kgf·m is the torque produced by hanging 1 kilogram of mass at the end of a 1-meter lever arm. This makes it intuitive — "10 kgf·m" means the same torque as 10 kg at 1 meter, or 5 kg at 2 meters. This physical clarity is why the unit persisted so long despite being non-SI. The N·m equivalent (multiply by ~10) loses this everyday weight connection.
Key Takeaways
- 1 kgf·m = 9.80665 N·m (multiply by 9.81 or approximately 10).
- Quick estimate: kgf·m × 10 ≈ N·m (within 2%).
- Found in pre-2000 Japanese motorcycle and Asian industrial manuals.
- The factor 9.80665 is standard gravitational acceleration (m/s²).
- kgf·m has intuitive meaning: kg of weight × meters of lever arm.
Kilogram-force meter to Newton meter Conversion Formula
newton meter = kilogram-force meter × 9.8066500
1 kilogram-force meter = 9.8066500 newton meter
1 newton meter = 0.1019716 kilogram-force meter
Reverse: kilogram-force meter = newton meter × 0.1019716
Frequently Asked Questions
How many newton meter are in 1 kilogram-force meter?
There are 9.8066500 newton meter in 1 kilogram-force meter. To convert kilogram-force meter to newton meter, multiply the value by 9.8066500.
How do I convert kilogram-force meter to newton meter?
Multiply your kilogram-force meter value by 9.8066500 to get the equivalent in newton meter. For example, 5 kilogram-force meter = 5 × 9.8066500 = 49.03325 newton meter.
How do I convert newton meter to kilogram-force meter?
Multiply your newton meter value by 0.1019716 to get the equivalent in kilogram-force meter. Alternatively, divide by 9.8066500.
What is 10 kilogram-force meter in newton meter?
10 kilogram-force meter is equal to 98.06650 newton meter.
What is 100 kilogram-force meter in newton meter?
100 kilogram-force meter is equal to 980.66500 newton meter.