Horsepower Calculator

• That equals 261 kW, 354.9 PS (metric), and about 890,551 BTU/h.
• At exactly 5252 rpm, torque in lb-ft and horsepower are always numerically equal, because that is where the 5252 constant comes from.
• Higher RPM multiplies the same torque into more power, which is why peak horsepower usually arrives later in the rev range than peak torque.

Next stepTry the reverse mode to find what torque you need at a given RPM target.