Time Converter
Convert between milliseconds, seconds, minutes, hours, days, weeks, months, and years.
Time Reference
| From | To | Value |
|---|---|---|
| 1 minute | seconds | 60 s |
| 1 hour | minutes | 60 min |
| 1 day | hours | 24 hr |
| 1 week | days | 7 days |
| 1 year | days | 365.25 days |
| 1 year | seconds | 31,557,600 s |
Time conversions are needed in programming, project management, science, and everyday planning. Whether you're calculating how many seconds are in a day, converting hours to minutes for a timesheet, or figuring out how many weeks are in a year, this free time unit converter handles it instantly. It supports everything from milliseconds to years.
How to use this tool
- Type the time duration you want to convert into the input field.
- Select the unit you are starting from (e.g. hours, days, or weeks).
- Choose the target unit. The result is shown immediately.
Frequently asked questions
How many seconds are in a day?
There are 86,400 seconds in one day (24 hours × 60 minutes × 60 seconds).
How many hours are in a year?
A standard year has 8,760 hours (365 days × 24 hours). A leap year has 8,784 hours.
How many milliseconds are in a second?
There are 1,000 milliseconds in one second. Milliseconds are commonly used in computing, networking, and audio/video timing.
How many weeks are in a year?
A year has 52 weeks and 1 day (or 2 days in a leap year), totalling 52.18 weeks on average.