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sprint speed calculator

convert between speed units and calculate split times

input

conversions

m/s
km/h
mph
min/km
min/mile

split times

distance time
10 m
20 m
30 m
40 m
60 m
100 m
method

All values are derived from a single internal representation in metres per second.

m/s      = input (or converted from km/h, mph, or pace)
km/h     = m/s × 3.6
mph      = m/s / 0.44704
min/km   = 1000 / m/s / 60     (as M:SS)
min/mile = 1609.344 / m/s / 60 (as M:SS)
split(d) = d / m/s             (seconds)

1 mile = 1609.344 m, 1 mph = 0.44704 m/s.