Running Pace vs Speed: Minutes per Mile, Minutes per Km, MPH, and KPH
How pace and speed relate, how to convert between miles and kilometers, and the common race paces runners search for.
Time Converter
Convert between 9 time units.
Supported Units
| Unit | Symbol | Description |
|---|---|---|
| seconds | s | The base unit of time. |
| milliseconds | ms | 1/1000th of a second. |
| microseconds | µs | One millionth of a second. |
| minutes | min | 60 seconds. |
| hours | h | 60 minutes. |
| days | d | 24 hours. |
| weeks | wk | 7 days. |
| months | mo | Average month (30.44 days). |
| years | yr | Julian year (365.25 days). |
All Time Converters
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About Time Conversions
Time is the most universal measurement, yet converting it can be tricky. While minutes and hours are standard, days, weeks, months, and years have variable definitions depending on the context (leap years, 30 vs 31 day months). Our time converter standardizes these values for accuracy: a year is treated as a Julian year (365.25 days) and a month as an average (30.44 days). Whether you are a developer calculating milliseconds, a project manager planning weeks, or an astronomer looking at light-years, this tool provides the precise conversions you need.