Decimal Hours Calculator

Convert HH:MM to decimal hours (and back). Divide minutes by 60, then add the whole hours.

Hours

Minutes

…or decimal hours

Decimal

HH:MM

Total minutes

Minutes to decimal hours chart

Minutes	Decimal	Minutes	Decimal	Minutes	Decimal
1 min	0.02	21 min	0.35	41 min	0.68
2 min	0.03	22 min	0.37	42 min	0.70
3 min	0.05	23 min	0.38	43 min	0.72
4 min	0.07	24 min	0.40	44 min	0.73
5 min	0.08	25 min	0.42	45 min	0.75
6 min	0.10	26 min	0.43	46 min	0.77
7 min	0.12	27 min	0.45	47 min	0.78
8 min	0.13	28 min	0.47	48 min	0.80
9 min	0.15	29 min	0.48	49 min	0.82
10 min	0.17	30 min	0.50	50 min	0.83
11 min	0.18	31 min	0.52	51 min	0.85
12 min	0.20	32 min	0.53	52 min	0.87
13 min	0.22	33 min	0.55	53 min	0.88
14 min	0.23	34 min	0.57	54 min	0.90
15 min	0.25	35 min	0.58	55 min	0.92
16 min	0.27	36 min	0.60	56 min	0.93
17 min	0.28	37 min	0.62	57 min	0.95
18 min	0.30	38 min	0.63	58 min	0.97
19 min	0.32	39 min	0.65	59 min	0.98
20 min	0.33	40 min	0.67

Hours	:00	:05	:10	:15	:20	:25	:30	:35	:40	:45	:50	:55
1 h	1.00	1.08	1.17	1.25	1.33	1.42	1.50	1.58	1.67	1.75	1.83	1.92
2 h	2.00	2.08	2.17	2.25	2.33	2.42	2.50	2.58	2.67	2.75	2.83	2.92
3 h	3.00	3.08	3.17	3.25	3.33	3.42	3.50	3.58	3.67	3.75	3.83	3.92
4 h	4.00	4.08	4.17	4.25	4.33	4.42	4.50	4.58	4.67	4.75	4.83	4.92
5 h	5.00	5.08	5.17	5.25	5.33	5.42	5.50	5.58	5.67	5.75	5.83	5.92
6 h	6.00	6.08	6.17	6.25	6.33	6.42	6.50	6.58	6.67	6.75	6.83	6.92
7 h	7.00	7.08	7.17	7.25	7.33	7.42	7.50	7.58	7.67	7.75	7.83	7.92
8 h	8.00	8.08	8.17	8.25	8.33	8.42	8.50	8.58	8.67	8.75	8.83	8.92
9 h	9.00	9.08	9.17	9.25	9.33	9.42	9.50	9.58	9.67	9.75	9.83	9.92
10 h	10.00	10.08	10.17	10.25	10.33	10.42	10.50	10.58	10.67	10.75	10.83	10.92
11 h	11.00	11.08	11.17	11.25	11.33	11.42	11.50	11.58	11.67	11.75	11.83	11.92
12 h	12.00	12.08	12.17	12.25	12.33	12.42	12.50	12.58	12.67	12.75	12.83	12.92

Last updated October 10, 2026. How we calculate · Disclaimer