Minutes to decimal hours

Convert hours and minutes to the decimal hours payroll uses, or back. Divide the minutes by 60: 20 minutes is 20 ÷ 60 = 0.33 hours.

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7.75

7:45 = 7.75 hours

Common minutes in decimal hours

How to convert minutes to decimal hours

Divide the minutes by 60 and add them to the whole hours. To go back, multiply the decimal part by 60: 0.2 hours is 12 minutes.

Your card shows 7 hours 20 minutes.

Minutes ÷ 60
20 ÷ 60 = 1/3 = 0.333…
Two decimal places
0.33
Decimal hours
7 + 0.33 = 7.33
Minutes to decimal hours chart with every minute from 1 to 60 and its value in hours, 20 minutes = 0.33 hours highlighted
Every minute from 1 to 60 on one sheet, with 20 minutes = 0.33 hours marked.

Payroll rounding

Some employers round each punch to the nearest tenth of an hour (6 minutes) or quarter hour (15 minutes) before converting. Federal rules allow it only if, over time, employees are still paid for all the time they work (29 CFR 785.48(b)).

Tenths · 6 minutes
Minutes pastRound toDecimal
0–2:000.0
3–8:060.1
9–14:120.2
15–20:180.3
21–26:240.4
27–32:300.5
33–38:360.6
39–44:420.7
45–50:480.8
51–56:540.9
57–59Next hour1.0
Quarter hours · 15 minutes
Minutes pastRound toDecimal
0–7:000.00
8–22:150.25
23–37:300.50
38–52:450.75
53–59Next hour1.00

Round punches, not decimals. Then add the minutes for the week and convert the total once: three 20-minute periods are exactly 1.00 hour, but 0.33 + 0.33 + 0.33 is 0.99. The time card calculator rounds punches for you. On a printable time card, write each day's hours as hours and minutes or as decimal hours, whichever your payroll asks for, and keep to one format on the card.

Reading hundredths of an hour

Time clocks and payroll reports often show hundredths of an hour, sometimes called decimal minutes. On those reports 7.75 means 7 hours 45 minutes, not 7 hours 75 minutes. Multiply the decimal part by 60 to read it: 0.25 × 60 = 15 minutes, so 8.25 is 8:15. The time card calculator with lunch totals a week both ways.

The same clocks often stamp the time of day in 24-hour form, such as 1730 for 5:30 PM. The military time converter reads those punches.

Questions

What is 20 minutes in decimal?

0.33 hours. 20 ÷ 60 = 1/3 = 0.333…, which rounds to 0.33, so 7 hours 20 minutes is 7.33 hours.

What is 10 minutes in decimal?

0.17 hours. 10 ÷ 60 = 1/6 = 0.1666…, which rounds to 0.17, so 8 hours 10 minutes is 8.17 hours.

What is 15 minutes in decimal?

Exactly 0.25 hours, a quarter of an hour. 45 minutes is 0.75 and 30 minutes is 0.50.

What is 1 hour in decimal?

1.00 hours. Add the minutes as a share of the hour: 1 hour 15 minutes is 1.25, 1 hour 30 minutes is 1.50 and 1 hour 45 minutes is 1.75.

Is 8.30 hours the same as 8 hours 30 minutes?

No. 8 hours 30 minutes is 8.50 hours. 8.30 hours is 8 hours and 0.30 × 60 = 18 minutes.

How many minutes is 0.1 hours?

6 minutes. Each tenth of an hour is 6 minutes, so 0.5 hours is 30 minutes and 0.8 hours is 48 minutes.