Advanced Torque Calculator Force & Radius Power & RPM Force: Force Unit: Newtons (N) Pound-force (lbf) Kilogram-force (kgf) Radius: Radius Unit: Meters (m) Centimeters (cm) Millimeters (mm) Inches (in) Feet (ft) Angle (degrees): Power: Power Unit: Watts (W) Kilowatts (kW) Horsepower (hp) RPM: Calculate Torque