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Time Converter

Convert time between nanoseconds, milliseconds, seconds, minutes, hours, days, weeks, months and years.

Time Converter Tool

Convert time duration between nanoseconds, microseconds, milliseconds, seconds, minutes, hours, days, weeks, months, years and more.

🔒 Converted in your browser

Time Inputs

Enter the time duration you want to convert.
Original unit.
Target unit.
Choose result precision.
Status will appear here.
Converted Result 0
0 Input Value
- From Unit
- To Unit
0 Conversion Factor
0 sec Total Seconds
0 min Total Minutes
0 hr Total Hours
0 d Total Days

Formula

Converted value = input value × conversion factor.

No report generated yet
Unit Symbol Converted Value
No conversion table yet.

Conversion Notes

Enter a value and choose units, then click Convert.
Time conversions use second as the base unit.
Month and year conversions use average calendar values.
Use exact calendar calculators when date-specific month length matters.

About This Tool

Time Converter is a free online unit converter that helps you convert time duration between small and large time units.

You can convert nanoseconds, microseconds, milliseconds, seconds, minutes, hours, days, weeks, average months, average years, decades and centuries. The tool also shows conversion factor, formula, converted result, total seconds, total minutes, total hours, total days and a full conversion table for all supported time units.

This tool is useful for students, programmers, engineers, project planning, science, education, scheduling, productivity, time tracking and anyone who needs quick time conversions.

How to Use Time Converter

1. Enter the time value you want to convert.
2. Choose the original unit in the From Unit field.
3. Choose the target unit in the To Unit field.
4. Select decimal places if needed.
5. Click Convert.
6. Review the converted result, conversion factor and formula.
7. Use Swap to reverse the conversion.
8. Copy or download the conversion report if needed.

Privacy Note: This Time Converter works directly in your browser using JavaScript. Your conversion values are not uploaded to our server.

Frequently Asked Questions

Is this Time Converter free?

Yes. This Time Converter is free to use and does not require signup.

Which time units are supported?

The tool supports nanosecond, microsecond, millisecond, second, minute, hour, day, week, average month, average year, decade and century.

Can I convert hours to minutes?

Yes. Enter your value in hours, choose Hour as the From Unit and Minute as the To Unit, then click Convert.

Are month and year conversions exact?

Month and year conversions are based on average calendar values. For exact calendar dates, use a date difference calculator because months have different numbers of days.

Does this tool upload my conversion data to the server?

No. This converter works directly in your browser using JavaScript. Your conversion values are not uploaded to our server.