Boat Speed Distance Time Calculator

Enter exactly two positive values to solve the third using a constant-speed equation.

About the Boat Speed Distance Time Calculator

Solve a constant-speed arithmetic relationship using nautical units.

How to use it

  1. Enter exactly two of distance, speed and time.
  2. Leave the value to calculate empty.
  3. Calculate and view unit conversions.

Formula

Distance equals speed times time; speed equals distance divided by time; time equals distance divided by speed.

Example

100 nautical miles at 10 knots takes 10 hours in a constant-speed arithmetic model.

Notes

Weather, current, routing, fuel, restrictions and vessel performance are excluded. Do not use this result for navigation or voyage planning.