Time Unit Converter

Milliseconds, seconds, minutes, hours, days, and weeks.

Quick answer: Convert time units instantly online. Calculate milliseconds, seconds, minutes, hours, days, and weeks safely without server pinging.

Milliseconds → Seconds0.001

exact international definitions — computed locally

Convert durations across time units, from milliseconds to weeks.

How it works

  1. Pick the source duration unit and target duration unit.
  2. Enter the amount of time.
  3. The system parses it down to seconds and converts it back up to your target.

Frequently asked questions

How many seconds in a day?

Exactly 86,400 (24 x 60 x 60).

How many minutes in a week?

10,080 minutes (7 x 24 x 60).

Does this handle months or years?

No — months and years vary in length, so this tool covers fixed-length units up to weeks.

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