How Many Hours Is 8:30am to 5pm?

8h 30m
= 8.50 in decimal hours
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What about lunch?

Deducting an unpaid lunch break changes your paid hours:

Lunch breakPaid hoursDecimal
None8h 30m8.50
20 min *8h 10m8.17
30 min8 hours8.00
45 min7h 45m7.75
60 min7h 30m7.50