Force Converter
Turn any force into a different unit — newton, kilonewton, dyne, kilogram-force, pound-force, and more — using exact, published factors.
Newton-based
Every unit is a fixed multiple of the newton, so the converter pivots through newtons for one consistent rule.
Display rounding
Results are shown to six decimal places, so very large or very small conversions may round the last digit.
What is a force converter?
One value, any unit
A force converter changes a reading from one unit into another — kilogram-force to newtons, newtons to pound-force, dyne to newton, and back. It works by translating every value through a single shared pivot, the newton (N), so any pair of units converts with one consistent rule. This tool covers the seven units used in physics and engineering: newton, kilonewton, dyne, kilogram-force, gram-force, pound-force, and ounce-force.
Force units share a zero point, so converting is purely multiplicative — scale by the factor in, then by the factor out.
result = value × (N per from-unit) ÷ (N per to-unit)Because the newton is the SI unit of force, each unit has a fixed number of newtons: 1 kgf is exactly 9.80665 N (the weight of a 1 kg mass under standard gravity), 1 lbf is about 4.4482 N, and 1 dyn is exactly 1 × 10⁻⁵ N. The converter turns your value into newtons first, then into the unit you want — so a single rule handles every direction.
Suppose you want to convert 1 kgf into newtons.
Convert to newtons
Multiply by the kgf factor: 1 × 9.80665 = 9.80665 N.Convert out to newtons
The newton factor is 1, so divide by 1: 9.80665 ÷ 1 = 9.80665.Read the result
1 kgf converts to 9.80665 N — the weight of a one-kilogram mass under standard gravity.
Force conversion is a simple ratio, so the everyday anchors are easy to remember: one kilogram-force is the weight of a 1 kg mass under standard gravity, exactly 9.80665 N, while one pound-force is about 4.4482 N and one newton is about 0.2248 lbf. Kilogram-force (also called the kilopond) relates a mass to its weight through g = 9.80665 m/s², which is why a 70 kg person weighs roughly 70 kgf or about 687 N. Pound-force is the unit most US engineering uses for loads and weights, and the dyne is the small CGS unit where 1 N = 100,000 dyn. As a quick sanity check, holding a small apple takes about 1 N. If a converted number looks far off by a factor of ten or a thousand, check that the from-unit and to-unit are not swapped — the swap arrow flips them in one click.
The arithmetic is exact; the limits are about precision and unit definitions.
Precision and force vs mass
The pound-force and ounce-force factors are the conventional NIST values; the kilogram-force, gram-force, and dyne are exact by definition. Results are rounded to six decimal places, so conversions with long decimal tails may lose the last digit. This tool converts force, not mass: a kilogram-force is a force (the weight of a 1 kg mass under standard gravity), not the same thing as a kilogram of mass — convert between mass units with the weight converter instead.