ClockInMath
Hours & decimals · Updated

Decimal time chart

Every minute from 0 to 60, as a decimal of an hour.

Divide the minutes by 60. 15 minutes = 0.25 hours, 30 minutes = 0.50 hours, 45 minutes = 0.75 hours, and 1 minute is 0.0167 hours. To go back, multiply the decimal part by 60.

Minutes to decimal hours

Minutes to decimal hours
MinDecimalMinDecimalMinDecimal
00.0000200.3333400.6667
10.0167210.3500410.6833
20.0333220.3667420.7000
30.0500230.3833430.7167
40.0667240.4000440.7333
50.0833250.4167450.7500
60.1000260.4333460.7667
70.1167270.4500470.7833
80.1333280.4667480.8000
90.1500290.4833490.8167
100.1667300.5000500.8333
110.1833310.5167510.8500
120.2000320.5333520.8667
130.2167330.5500530.8833
140.2333340.5667540.9000
150.2500350.5833550.9167
160.2667360.6000560.9333
170.2833370.6167570.9500
180.3000380.6333580.9667
190.3167390.6500590.9833

60 minutes = 1.0000 hour. Payroll systems usually round to 2 decimals (for example 7 minutes = 0.12 hours), so check which rounding your employer uses.

Common decimal hours in hours and minutes

Decimal hours to hours:minutes
Decimal hoursHours:minutes
0.250:15
0.50:30
0.750:45
11:00
1.251:15
1.51:30
22:00
2.52:30
33:00
44:00
55:00
66:00
77:00
7.57:30
88:00
8.258:15
8.58:30
99:00
1010:00
1212:00
Decimal hours = hours + minutes ÷ 60 Minutes = decimal part × 60

Convert one at a time with the decimal hours converter.

FAQ

What is 15 minutes in decimal?

0.25 hours (15 ÷ 60).

What is 0.75 hours in minutes?

45 minutes (0.75 × 60).

Why is 7:30 not 7.30?

Because there are 60 minutes in an hour, not 100. 7:30 is 7.50 hours.

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