How Many Hours Is 9am to 6pm?

9 hours
= 9.00 in decimal hours
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What about lunch?

Deducting an unpaid lunch break changes your paid hours:

Lunch breakPaid hoursDecimal
None9 hours9.00
20 min *8h 40m8.67
30 min8h 30m8.50
45 min8h 15m8.25
60 min8 hours8.00