Months to Years Conversion Table

Convert 1-120 months to years

Any time value in mo can be converted to yr using the conversion factor:

  • 1 month = 112 year
  • years = months ÷ 12

mo → yr Quick Converter

mo
yr

Need more features? Try our complete month to year converter.

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What is Month (mo)?

The month is a unit of time approximately equal to the period of the Moon's orbit (29.53 days for a synodic month).

What is Year (yr)?

yr / a — The year is a unit of time based on the orbital period of Earth around the Sun.

How to Convert Month to Year

years = months ÷ 12

Example

Convert 13 mo to yr:

13 × 112 = 112 yr

Months to Years Conversion Table

Values from 1 to 120 mo.

mo to yr (1 – 60 mo)
mo yr
1 112
2 16
3 14
4 13
5 0.416667
6 12
7 0.583333
8 23
9 34
10 0.833333
11 0.916667
12 1
13 112
14 16
15 14
16 13
17 1.41667
18 12
19 1.58333
20 23
21 34
22 1.83333
23 1.91667
24 2
25 112
26 16
27 14
28 13
29 2.41667
30 12
31 2.58333
32 23
33 34
34 2.83333
35 2.91667
36 3
37 112
38 16
39 14
40 13
41 3.41667
42 12
43 3.58333
44 23
45 34
46 3.83333
47 3.91667
48 4
49 112
50 16
51 14
52 13
53 4.41667
54 12
55 4.58333
56 23
57 34
58 4.83333
59 4.91667
60 5
mo to yr (61 – 120 mo)
mo yr
61 112
62 16
63 14
64 13
65 5.41667
66 12
67 5.58333
68 23
69 34
70 5.83333
71 5.91667
72 6
73 112
74 16
75 14
76 13
77 6.41667
78 12
79 6.58333
80 23
81 34
82 6.83333
83 6.91667
84 7
85 112
86 16
87 14
88 13
89 7.41667
90 12
91 7.58333
92 23
93 34
94 7.83333
95 7.91667
96 8
97 112
98 16
99 14
100 13
101 8.41667
102 12
103 8.58333
104 23
105 34
106 8.83333
107 8.91667
108 9
109 112
110 16
111 14
112 13
113 9.41667
114 12
115 9.58333
116 23
117 34
118 9.83333
119 9.91667
120 10

Frequently Asked Questions

How many months are in a year?

There are exactly 12 months in one year.

How do I convert months to years?

Divide the number of months by 12. For example, 36 months ÷ 12 = 3 years.

What is 18 months in years?

18 months equals 1.5 years, or one and a half years.

How many months are in 10 years?

There are 120 months in 10 years (10 × 12 = 120).

Conversion factors verified against NIST, BIPM, ISO 8601 Second defined by Cs-133 transition (SI, BIPM). Last reviewed: March 2026
Tiago Fernandes Reviewed by Tiago Fernandes