Hours Calculator

How to use the Hours Calculator

Calculate a single work period from start time to end time and subtract an unpaid break to estimate worked hours.

Calculate one work period from a start clock time to an end clock time, then subtract a nonnegative unpaid break. The result is shown as decimal hours and as normalized hours plus minutes.

Fieldlet calculates locally and shows a practical estimate. Confirm consequential financial, contractual, health, or compliance decisions with an authoritative source.

1. Enter the work start and end times.
2. Enter unpaid break minutes.
3. Fieldlet calculates elapsed minutes, subtracts the break, and converts the remainder to decimal hours and hours/minutes.

Last reviewed for accuracy: 2026-08-31

Worked examples

How the result is produced

Fieldlet converts each clock value to minutes after midnight and subtracts start from end. If the end is earlier, it is treated as the following day by adding 1,440 minutes. The unpaid break is then subtracted, and a negative remainder is clamped to zero.

• An earlier end time is treated as an overnight shift
• Unpaid break minutes reduce the elapsed interval
• Decimal hours equal worked minutes divided by 60

Breaks and payroll rules need separate review

Subtract only a break that should be excluded from paid or tracked time. Employers and jurisdictions can define rounding, meal periods, overtime, and compensable interruptions differently, so the calculator provides arithmetic rather than a payroll determination.

• Confirm whether the break is paid or unpaid.
• Review the result against the original time record.
• Use the governing payroll policy for final compensation.

Limitations and common mistakes

• The tool models one interval of no more than 24 hours and does not attach dates or time zones.
• It does not apply overtime, rounding, paid-break, split-shift, payroll, or labor-policy rules.

Common questions