Time Converter
Free Time Duration Converter — Convert Seconds, Minutes, Hours, Days & More Instantly
Convert time durations between any units instantly with OmniConverter's free time converter. Supports seconds, minutes, hours, days, weeks, months, years, and milliseconds. Whether you need to convert project timelines, calculate how many seconds are in a year, or convert milliseconds for a coding project, our tool delivers fast, accurate results.
How It Works
Convert in three simple steps.
Enter the Time Duration
Type the time duration you need to convert into the Input Value field. For example, enter 90 to convert 90 minutes, or 3600 to convert 3600 seconds.
Select Your Source and Target Time Units
Choose the input unit on the left (e.g., seconds, minutes, hours, days, weeks, months, years) and the desired output unit on the right dropdown.
Receive Your Converted Time Duration
The converted duration appears instantly. Ideal for project management, scientific calculations, scheduling, and any scenario that requires converting time units accurately.
Popular Time Conversions
Common Benchmarks
Reference
1 s → s
1 s
Reference
1 s → ms
1000 ms
Reference
1 s → min
0.0166666667 min
Reference
1 s → h
0.0002777778 h
Reference
1 s → d
0.0000115741 d
Reference
1 s → wk
0.0000016534 wk
Reference
1 s → mo
3.802571e-7 mo
Reference
1 s → yr
3.168809e-8 yr
Real-World Use Cases
Time duration conversion is used in project management (converting sprint lengths or deadlines), software development (calculating timeouts, latency, and expiry in different units), academic research (converting experimental durations), fitness (converting workout durations between minutes and hours), astronomy (planetary periods in days vs years), and finance (converting loan terms and interest periods).
Frequently asked questions
Quick answers to common conversion questions
How do I convert hours to minutes?+
Multiply hours by 60 to get minutes.
What is the relation between days and weeks?+
One week is 7 days, so divide by 7 to convert days to weeks.
How many seconds are in a day?+
There are 86,400 seconds in one day.
Can I convert months to days?+
Yes, the converter uses a standard average month length for approximate conversions.
What is a leap year?+
A leap year has 366 days instead of 365 to keep the calendar aligned with Earth’s orbit.
How do I convert milliseconds to seconds?+
Divide milliseconds by 1,000 to get seconds.
Is one year always 365 days?+
A civil year usually has 365 days, while leap years add one extra day.
How do I convert years to months?+
Multiply years by 12 for a simple calendar approximation.
What are common time units in science?+
Seconds, milliseconds, microseconds, and nanoseconds are common in technical work.
Can I convert between UTC and local time?+
Yes, use the timezone converter for that kind of scheduling and offset comparison.











