5K Pace Calculator

A 5K pace calculator converts a target finish time into the pace per kilometre or mile you must maintain throughout the 5,000m race. It also calculates splits — the time at each km or mile marker — to help with race strategy

The calculator uses the standard published formula for 5k pace. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with inches, kilometres, miles, kilometres per hour. You can enter values in the units shown — the calculator handles all conversions internally.

The core formula is: Pace per km = Target time (seconds) / 5. Each step in the calculation is shown so you can verify the result manually.