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.

1

Enter the Time Duration

2

Select Your Source and Target Time Units

3

Receive Your Converted Time Duration

Popular Time Conversions

Common Benchmarks

Reference

1 ss

1 s

Reference

1 sms

1000 ms

Reference

1 smin

0.0166666667 min

Reference

1 sh

0.0002777778 h

Reference

1 sd

0.0000115741 d

Reference

1 swk

0.0000016534 wk

Reference

1 smo

3.802571e-7 mo

Reference

1 syr

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.

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