AtlasCalc📏 ConversionbeginnerOffline
Time Duration Converter
Convert between seconds, minutes, hours, days, weeks, years.
Inputs
Enter your values below.
Result
Your answer appears here.
Enter values and press Calculate — the result appears here.
How it works
The formula behind this calculator.
1 day = 24 h = 1,440 min = 86,400 s
- value, from, to
- Source value and unit
All time units are fixed multiples of the second. Conversions are exact (no leap-second complications for typical use).
Example: 1.5 days = 36 hours = 2,160 minutes; 1 week = 168 hours
Ref: SI second (since 1967: 9,192,631,770 cycles of cesium-133 radiation)
Tips
- 💡 Days → hours: multiply by 24. Hours → seconds: multiply by 3,600.
- 💡 For work hours, exclude weekends or use the business-days calculator.