Running Efficiency CalculatorBy Admin / November 13, 2025 Running Efficiency Calculator Enter any 2 values to calculate the missing variable Running Speed Meters per Second (m/s) Kilometers per Hour (km/h) Miles per Hour (mph) Heart Rate Beats per Minute (BPM) Beats per Second (BPS) Running Efficiency m/s per BPM km/h per BPM mph per BPM m/s per BPS km/h per BPS mph per BPS Calculate Reset