Free tool · nothing stored

Corrected-time calculator

One start, up to six boats. Pick the method, type the ratings and finish times, and see who won on corrected time. The address of the result page holds your numbers, so you can bookmark or share it.

The race Method Start (HH:MM:SS) Distance (nm) Time-on-time A Time-on-time B

Boats

Line 1 sail Line 1 rating Line 1 finish

Line 2 sail Line 2 rating Line 2 finish

Line 3 sail Line 3 rating Line 3 finish

Line 4 sail Line 4 rating Line 4 finish

Line 5 sail Line 5 rating Line 5 finish

Line 6 sail Line 6 rating Line 6 finish

Clear

How it works

Time-on-distance: corrected = elapsed − rating × distance.

Time-on-time: corrected = elapsed × A ÷ (B + rating).

One-design: corrected = elapsed.

A finish clock time earlier than the start counts as after midnight.