MathKit

Time Duration Calculator

Enter a start and end time (24h HH:MM) to get the duration in minutes.

Calculator

Time Duration Calculator

Result

—

Formula

end − start (minutes)

Step-by-step

  1. 1

    Enter both times

    24-hour clock, HH:MM format.

  2. 2

    Read the duration

    Overnight gaps wrap past midnight.

Worked example

Example input: start: 09:30, end: 11:45

Result: 135

Related tools

Useful links