Time Conversion

Time to Decimal

Enter hours, minutes and seconds to get decimal hours, decimal minutes and total seconds. Copy results easily.

Hours Minutes Seconds

Tip: Minutes/seconds greater than 59 will be normalized automatically during calculation.

Enter a time and click Calculate. Results will appear here.

Convert ms to Local/UTC/ISO/Unix seconds with local processing.

Convert date/time to ms timestamp with Local or UTC.

Weeks between dates or add/subtract weeks/days.

Target date from today or a base date by days offset.

Target date by weeks from today or a base date.

Date difference or add/subtract Y/M/W/D.

Compute the third value from any two, with unit selection and conversion.

Time difference or add/subtract duration (d/h/m/s).

Estimate how many people you may meet in your lifetime with a layered breakdown. Local processing.