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Time converter
Time converter: convert between seconds, minutes, hours and days online, free and without signing up. Pick the From and To units, type a value and read the result as you type. Nothing is uploaded: the maths runs in your browser.
How to convert time units online
- 1Type the number you want to convert
- 2Pick the From and To units
- 3Read the result, or look it up in the table
- The value in your unit, plus every other unit.
What happens to your numbers
- Nothing is uploaded.The sum is done by your browser. The number you type never leaves your device.
- Fixed 60 and 24.A minute is 60 seconds, an hour 3,600 seconds and a day 86,400 seconds.
- Works offline.Once the tool has been opened, it needs no connection.
What you can do
- Convert between all 4 units, with decimals and negative numbers. The result changes as you type.
- Example: 90 seconds = 1.5 minutes.
- Press Swap to turn the conversion around without retyping the number.
- The table lists the value in every unit except the From unit, so one entry gives you 3 results.
- Turn a duration into another unit, for example hours into minutes for a timesheet, or days into seconds for a timeout value.
Good to know
- The page opens with seconds as the From unit, minutes as the To unit and a value of 1. Change either unit at any time.
- Results show up to 10 significant digits. Very large or very small values appear in exponent form, such as 1.500000e-7.
- A day here is always 24 hours. Daylight saving changes, leap seconds and calendar dates are not part of the conversion.
Questions
Is this time converter free?
Yes. It is free and needs no account or sign-up. Nothing you type is uploaded.
How exact is the result?
The factors are exact: 1 minute is 60 seconds, 1 hour is 3,600 seconds and 1 day is 86,400 seconds. The result shows up to 10 significant digits.
Can I convert weeks, months or years?
No. This tool covers seconds, minutes, hours and days only. Months and years differ in length, so they have no single factor.
Which units can I convert?
Seconds, minutes, hours and days. Pick any two of them.