Time Converter
Convert time across 12 supported units with free instant calculations, formula guidance and examples. No sign-up required.
Calculations run in your browser. Results use approximately 12 significant digits, with floating-point rounding. Verify safety-critical measurements against applicable standards.
About Time conversion
Convert between 12 time units, including Second (s), ms, µs, ns, Minute (min). Results update immediately when you edit the number or select another unit.
Civil months and calendar years have variable durations. The Julian year here is exactly 365.25 days.
Example calculation
1 s = 1,000 ms. For linear quantities, multiply the source amount by the ratio of the two fixed reference-unit factors.
How to use
- Enter your amount in the field above.
- Select the original and destination time units.
- Copy the calculated result or swap the units to reverse the conversion.
Frequently asked questions
Can I convert time units for free?
Yes, the calculation runs locally in your browser with no sign-up.
Which units are supported?
This category currently includes 12 entries. Select the units from the dropdowns above.
Are the results suitable for professional use?
Civil months and calendar years have variable durations. The Julian year here is exactly 365.25 days. Check critical work against an applicable standard.
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Unit definition reference: NIST Guide to the SI.