Math & units
Time Converter
Convert nanoseconds, seconds, hours, days and years.
Runs locally in your browser
Type into any unit and the others update instantly.
Common conversions
- 1 Hour (h) = 3600 Second (s)
- 1 Day (d) = 24 Hour (h)
- 1 Week (wk) = 7 Day (d)
- 1 Year (365 days) (yr) = 365 Day (d)
- 1 Minute (min) = 60 Second (s)
The base unit is the second. A month is treated as 30 days and a year as 365 days, since calendar months vary in length.