Decimal to Time Converter

The formulas

minutes = decimal part × 60  ·  decimal hours = hours + minutes ÷ 60 + seconds ÷ 3600

An hour has 60 minutes, so the digits after the decimal point are not minutes. They are a fraction of an hour and have to be multiplied by 60. The converter rounds to the nearest second, so 2.3 hours is exactly 2:18:00.

Worked example: 7.75 hours

1. The whole number is the hours: 7 h.
2. Multiply the decimal part by 60: 0.75 × 60 = 45 min.
3. Nothing is left over, so there are 0 seconds: 7:45:00.

The other way: 7 h 45 min = 7 + 45 ÷ 60 = 7 + 0.75 = 7.75 hours.

Minutes to decimal hours chart

Print chart

Minutes divided by 60, rounded to two decimals, as used on timesheets.

Minutes to decimal hours, part 1 of 4

min	hours
1	0.02
2	0.03
3	0.05
4	0.07
5	0.08
6	0.10
7	0.12
8	0.13
9	0.15
10	0.17
11	0.18
12	0.20
13	0.22
14	0.23
15	0.25

Minutes to decimal hours, part 2 of 4

min	hours
16	0.27
17	0.28
18	0.30
19	0.32
20	0.33
21	0.35
22	0.37
23	0.38
24	0.40
25	0.42
26	0.43
27	0.45
28	0.47
29	0.48
30	0.50

Minutes to decimal hours, part 3 of 4

min	hours
31	0.52
32	0.53
33	0.55
34	0.57
35	0.58
36	0.60
37	0.62
38	0.63
39	0.65
40	0.67
41	0.68
42	0.70
43	0.72
44	0.73
45	0.75

Minutes to decimal hours, part 4 of 4

min	hours
46	0.77
47	0.78
48	0.80
49	0.82
50	0.83
51	0.85
52	0.87
53	0.88
54	0.90
55	0.92
56	0.93
57	0.95
58	0.97
59	0.98
60	1.00

decimal hours = minutes ÷ 60. unitcheck.net/time/decimal-to-time/

French decimal time

“Decimal time” is also the name of a different idea: a clock that divides the day into 10 hours, each of 100 minutes, each of 100 seconds. One decimal hour is 2 h 24 min of ordinary time and one decimal second is 0.864 ordinary seconds. Noon, halfway through the day, is 5:00:00.

decimal time = seconds since midnight ÷ 86,400 × 100,000, read as h:mm:ss

Example: 6:00 in the morning is 21,600 seconds after midnight, a quarter of the day. A quarter of 100,000 decimal seconds is 25,000, read as 2:50:00.