How do I convert hours and minutes to decimal?

Divide minutes by 60 and add to hours. Example: 1 hour 30 minutes = 1.5 decimal hours. Use the dedicated conversion mode to do this instantly.

How does duration between two times work?

Enter start and end clock times. If the end is earlier than the start, we assume the period crosses midnight and measure forward.

It focuses on time arithmetic. For hourly pay with overtime, use the Time Card Calculator; for net pay, use the Salary / Paycheck Calculator.

Subtract mode can produce a negative duration when the second time is larger than the first. Other modes return non-negative durations.

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