Hours Calculator

A standard day shift

Inputs: Clock in 09:00, clock out 17:30, 30 minute break, rate 12 pounds

Result: 8h 0m worked, which is 8.00 decimal hours and 96.00 pounds gross pay.

An overnight shift with no break

Inputs: Clock in 22:00, clock out 06:00, 0 minute break, rate 12 pounds

Result: 8h 0m worked because the calculator adds 24 hours, giving 8.00 decimal hours and 96.00 pounds gross pay.

How do I work out hours worked from clock in and clock out times?

Find the minutes between clock out and clock in, then subtract your unpaid break. For 09:00 to 17:30 with a 30 minute break that is 510 minus 30, which is 480 minutes, or 8 hours worked.

How is shift pay calculated?

Hours worked are converted to decimal hours and multiplied by the hourly rate. 8 hours at 12 pounds an hour is 96 pounds. The figure is gross pay before tax and other deductions.

Does it handle night shifts that cross midnight?

Yes. If the clock out time is earlier than the clock in time, the calculator adds 24 hours, so a 22:00 to 06:00 shift with no break reads as 8 hours.

How many hours is 9am to 5pm with a 30 minute lunch break?

7 hours 30 minutes of paid time, which is 7.50 decimal hours. The clock span from 09:00 to 17:00 is 8 hours, or 480 minutes, and taking off an unpaid 30 minute lunch leaves 450 minutes. An unpaid half hour is what turns a nominal 8 hour day into a 37.5 hour week rather than a 40 hour one.

How much is an 8 hour shift at minimum wage?

At the National Living Wage of 12.71 pounds an hour, which applies to workers aged 21 and over from 1 April 2026, 8 paid hours is 101.68 pounds gross. If the 8 hours is the clock span and a 30 minute break is unpaid, only 7.5 hours are paid, so the shift is worth 95.33 pounds gross. Both figures are before tax, National Insurance and pension.

How do I convert minutes to decimal hours for a timesheet?

Divide the minutes by 60. 15 minutes is 0.25, 30 minutes is 0.50, 45 minutes is 0.75 and 20 minutes is 0.33. The mistake that costs people money is writing 7 hours 30 minutes as 7.30 rather than 7.50, which underpays that shift by 12 minutes.

What is 7 hours 45 minutes in decimal hours?

7.75 decimal hours, because 45 divided by 60 is 0.75. At the National Living Wage of 12.71 pounds an hour that shift is 98.50 pounds gross. Writing it as 7.45 instead would pay 94.69 pounds, so the wrong conversion costs 3.81 pounds on a single day.

How do I add up hours for a weekly timesheet?

Work out the paid minutes for each day separately, add the minutes together, and convert the weekly total to decimal hours once at the end. Keeping the running total in minutes is what stops a timesheet disagreeing with payroll, because nothing gets rounded until there is a single figure to round.

Does the unpaid break come off before or after the hourly rate is applied?

Before. Subtract the break from the clock span first, convert the remaining minutes to decimal hours, then multiply by the rate. Applying the rate to the full span and deducting afterwards gives the same answer only when the break is priced at the same rate, which is the usual case, but it is the wrong order the moment overtime or a shift premium applies to part of the day.