Time Percentage Calculator

Calculate time spans in percent. How much is a certain time span compared to another time span. Enter two time values or one time value and the percentage. The line left empty will be calculated.

Time 1:
Time 2:

Percentage time 1 of time 2: %

Example: if you sleep 7 hours and 45 minutes (time 1) a day (time 2: days=1), you slept 32.29% of the day.

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German: Uhrzeiten addieren / subtrahieren