Home › Unit Converters › Years to Months Converter

Years to Months Converter

A quick two-way yr ⇄ mo converter: type in either box, choose how many decimals you want and copy the answer with one click.

YearsFrom

MonthsTo

Decimal places

Step-by-step calculation

How to use the Years to Months Converter

Type a value in the Years box. The months result appears instantly.
Going the other way? Type in the Months box, or press the ⇄ swap button.
Set the precision with the decimal places menu.
Check the working in the step-by-step box, then press Copy result or click any row in the tables below.

Years to months formula

mo = yr × 12

Take the value in years.
Multiply it by 12 (the number of months in one year).

Example: 1 yr × 12 = 12 mo.

Reverse formula (months to years): yr = mo ÷ 12. Example: 216 mo ÷ 12 = 18 yr.

The factor is a whole number (12), so this one is easy to do in your head.

yr to mo conversion table (1–100)

Click any row to load it into the converter.

Years to months

Years	Months
1 yr	12 mo
2 yr	24 mo
3 yr	36 mo
4 yr	48 mo
5 yr	60 mo
6 yr	72 mo
7 yr	84 mo
8 yr	96 mo
9 yr	108 mo
10 yr	120 mo
11 yr	132 mo
12 yr	144 mo
13 yr	156 mo
14 yr	168 mo
15 yr	180 mo
16 yr	192 mo
17 yr	204 mo
18 yr	216 mo
19 yr	228 mo
20 yr	240 mo
21 yr	252 mo
22 yr	264 mo
23 yr	276 mo
24 yr	288 mo
25 yr	300 mo
26 yr	312 mo
27 yr	324 mo
28 yr	336 mo
29 yr	348 mo
30 yr	360 mo
31 yr	372 mo
32 yr	384 mo
33 yr	396 mo
34 yr	408 mo
35 yr	420 mo
36 yr	432 mo
37 yr	444 mo
38 yr	456 mo
39 yr	468 mo
40 yr	480 mo
41 yr	492 mo
42 yr	504 mo
43 yr	516 mo
44 yr	528 mo
45 yr	540 mo
46 yr	552 mo
47 yr	564 mo
48 yr	576 mo
49 yr	588 mo
50 yr	600 mo
51 yr	612 mo
52 yr	624 mo
53 yr	636 mo
54 yr	648 mo
55 yr	660 mo
56 yr	672 mo
57 yr	684 mo
58 yr	696 mo
59 yr	708 mo
60 yr	720 mo
61 yr	732 mo
62 yr	744 mo
63 yr	756 mo
64 yr	768 mo
65 yr	780 mo
66 yr	792 mo
67 yr	804 mo
68 yr	816 mo
69 yr	828 mo
70 yr	840 mo
71 yr	852 mo
72 yr	864 mo
73 yr	876 mo
74 yr	888 mo
75 yr	900 mo
76 yr	912 mo
77 yr	924 mo
78 yr	936 mo
79 yr	948 mo
80 yr	960 mo
81 yr	972 mo
82 yr	984 mo
83 yr	996 mo
84 yr	1,008 mo
85 yr	1,020 mo
86 yr	1,032 mo
87 yr	1,044 mo
88 yr	1,056 mo
89 yr	1,068 mo
90 yr	1,080 mo
91 yr	1,092 mo
92 yr	1,104 mo
93 yr	1,116 mo
94 yr	1,128 mo
95 yr	1,140 mo
96 yr	1,152 mo
97 yr	1,164 mo
98 yr	1,176 mo
99 yr	1,188 mo
100 yr	1,200 mo

Months to years

Months	Years
1 mo	0.08 yr
2 mo	0.17 yr
3 mo	0.25 yr
4 mo	0.33 yr
5 mo	0.42 yr
6 mo	0.5 yr
7 mo	0.58 yr
8 mo	0.67 yr
9 mo	0.75 yr
10 mo	0.83 yr
11 mo	0.92 yr
12 mo	1 yr
13 mo	1.08 yr
14 mo	1.17 yr
15 mo	1.25 yr
16 mo	1.33 yr
17 mo	1.42 yr
18 mo	1.5 yr
19 mo	1.58 yr
20 mo	1.67 yr
21 mo	1.75 yr
22 mo	1.83 yr
23 mo	1.92 yr
24 mo	2 yr
25 mo	2.08 yr
26 mo	2.17 yr
27 mo	2.25 yr
28 mo	2.33 yr
29 mo	2.42 yr
30 mo	2.5 yr
31 mo	2.58 yr
32 mo	2.67 yr
33 mo	2.75 yr
34 mo	2.83 yr
35 mo	2.92 yr
36 mo	3 yr
37 mo	3.08 yr
38 mo	3.17 yr
39 mo	3.25 yr
40 mo	3.33 yr
41 mo	3.42 yr
42 mo	3.5 yr
43 mo	3.58 yr
44 mo	3.67 yr
45 mo	3.75 yr
46 mo	3.83 yr
47 mo	3.92 yr
48 mo	4 yr
49 mo	4.08 yr
50 mo	4.17 yr
51 mo	4.25 yr
52 mo	4.33 yr
53 mo	4.42 yr
54 mo	4.5 yr
55 mo	4.58 yr
56 mo	4.67 yr
57 mo	4.75 yr
58 mo	4.83 yr
59 mo	4.92 yr
60 mo	5 yr
61 mo	5.08 yr
62 mo	5.17 yr
63 mo	5.25 yr
64 mo	5.33 yr
65 mo	5.42 yr
66 mo	5.5 yr
67 mo	5.58 yr
68 mo	5.67 yr
69 mo	5.75 yr
70 mo	5.83 yr
71 mo	5.92 yr
72 mo	6 yr
73 mo	6.08 yr
74 mo	6.17 yr
75 mo	6.25 yr
76 mo	6.33 yr
77 mo	6.42 yr
78 mo	6.5 yr
79 mo	6.58 yr
80 mo	6.67 yr
81 mo	6.75 yr
82 mo	6.83 yr
83 mo	6.92 yr
84 mo	7 yr
85 mo	7.08 yr
86 mo	7.17 yr
87 mo	7.25 yr
88 mo	7.33 yr
89 mo	7.42 yr
90 mo	7.5 yr
91 mo	7.58 yr
92 mo	7.67 yr
93 mo	7.75 yr
94 mo	7.83 yr
95 mo	7.92 yr
96 mo	8 yr
97 mo	8.08 yr
98 mo	8.17 yr
99 mo	8.25 yr
100 mo	8.33 yr

Common values

Years	Months	Example
0.5 yr	6 mo	Half a year
1 yr	12 mo	1 year
2 yr	24 mo	2 years
5 yr	60 mo	5 years
10 yr	120 mo	A decade
18 yr	216 mo	18 years
25 yr	300 mo	25 years
30 yr	360 mo	30-year mortgage
50 yr	600 mo	50 years
100 yr	1,200 mo	A century

About years and months

Years (yr). A year here is the average Gregorian year of 365.2425 days, which accounts for leap years. A common calendar year has 365 days and a leap year 366.

Months (mo). A month here is the average Gregorian month: 365.2425 ÷ 12 = 30.436875 days. Calendar months actually vary from 28 to 31 days.

Frequently asked questions

1 year equals how many months?

One year equals 12 months.

How do you convert years to months?

Multiply the number of years by 12. For example, 1 yr × 12 = 12 mo.

What is 18 years in months?

18 yr is 216 mo.

How much is 50 years in months?

50 years equals 600 months.

How do I convert months back to years?

Divide by 12, or press the ⇄ swap button above. For example, 216 mo ÷ 12 = 18 yr.

How long is a month or a year here?

This converter uses averages from the Gregorian calendar: a year of 365.2425 days and a month of 30.436875 days (one twelfth of a year). Calendar months vary from 28 to 31 days and calendar years from 365 to 366 days, so exact date ranges can differ slightly.

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