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Distance Speed Time Calculator

Solve for distance, speed, or time using D = S × T. Supports 9 distance units, 6 speed units, and 5 time units.

Calculator

Solve for distance, speed, or time using D = S × T with multiple unit support.

🎯What do you want to calculate?

Distance

Speed

Time

Click to pre-fill (solve: how long to travel 100 km)

Enter multiple legs with different speeds to calculate total average speed.

Leg 1:@

Distance

D = S × T

Speed

S = D ÷ T

Time

T = D ÷ S

Convert between MPH, KPH, knots and more

Convert any unit instantly

Calculate pace, speed, and finish time