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Time percentage calculator

Measure how much of a target duration is complete and how much remains.

Your details

HH:MM:SS, optionally .mmm
HH:MM:SS, optionally .mmm

Preparing your tool…

How it works

Divide elapsed duration by target duration. Values above 100% show overtime against your chosen target.

Example

00:45:00 of 02:00:00 is 37.5%.

What should I check before using the result?

Target must be greater than zero. This is not a payroll rule.