Time Unit Converter
Convert any time value between milliseconds, seconds, minutes, hours, days, weeks, months, and years.
What Does This Tool Do?
Enter a value in any time unit and instantly see the equivalent in all other time units — from milliseconds to years.
Key Features
All Time Units
ms, seconds, minutes, hours, days, weeks, months, years.
High Precision
Handles very large and very small values accurately.
Instant
All equivalents shown immediately.
Copy Ready
Copy any value from the output.
How to Use This Tool
- Enter a value.
- Select the source unit.
- Click Convert to see all equivalents.
How It Works
All values are converted to seconds as an intermediate unit, then converted from seconds to each target unit using standard conversion factors.
Common Use Cases
💡 Programming
Convert between time units for API timestamps and timeouts.
💡 Science
Convert between time scales for physics and astronomy.
💡 Everyday
Understand how long a period is in familiar units.
Frequently Asked Questions
How many seconds in a year?
31,556,952 seconds (using the Julian year of 365.25 days). The tool uses this value for year and month conversions.
Related Tools
Link to This Tool
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<a href="https://adedx.com/tools/time-unit-converter/">Time Unit Converter — AdeDX Free Online Tools</a>