Time Unit Converter
Instantly convert between milliseconds, seconds, minutes, hours, days, weeks, months, and years.
Enter Time Value
Quick Presets
All Conversions
Milliseconds
0
ms
Seconds
0
s
Minutes
0
min
Hours
0
hr
Days
0
d
Weeks
0
wk
Months
0
mo
Years
0
yr
Common Time Conversions
| From | To | Conversion |
|---|---|---|
| 1 minute | seconds | 60 seconds |
| 1 hour | minutes | 60 minutes |
| 1 day | hours | 24 hours |
| 1 week | days | 7 days |
| 1 month (avg) | days | 30.44 days |
| 1 year | days | 365.25 days |
| 1 year | hours | 8,766 hours |
| 1 year | seconds | 31,557,600 seconds |
About Time Unit Conversion
How Time Conversion Works
Time conversion involves multiplying or dividing by fixed ratios to translate values between different time units. Unlike some measurement systems, time uses a non-decimal base: 60 seconds in a minute, 60 minutes in an hour, 24 hours in a day.
Why Different Time Units Matter
- Milliseconds: Used in computing, sports timing, and scientific measurements
- Seconds & Minutes: Everyday activities, cooking, exercise
- Hours & Days: Work schedules, travel time, deadlines
- Weeks & Months: Project planning, subscriptions, fitness goals
- Years: Long-term planning, age calculations, historical timelines
Note on Month and Year Calculations
Months and years are approximations since they vary in length. This converter uses average values: 30.4375 days per month (365.25/12) and 365.25 days per year (accounting for leap years). For precise date calculations, use a calendar-based tool.