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Omnikalc

Convert months to years (mo to yr)

Type a value in months or in years: the other field updates as you type. Below you will find the formula, a worked example and a mo to yr chart.

Updated on

1 mo = 0.0833333 yr

How to convert months to years

Formula: yr = mo ÷ 12

Worked example: 6 mo → 6 ÷ 12 = 0.5 yr

Months to years conversion chart

Months (mo)Years (yr)
1 mo0.0833333 yr
2 mo0.166667 yr
3 mo0.25 yr
4 mo0.333333 yr
5 mo0.416667 yr
6 mo0.5 yr
7 mo0.583333 yr
8 mo0.666667 yr
9 mo0.75 yr
10 mo0.833333 yr
12 mo1 yr
15 mo1.25 yr
20 mo1.66667 yr
24 mo2 yr
30 mo2.5 yr
36 mo3 yr
45 mo3.75 yr
48 mo4 yr
60 mo5 yr
72 mo6 yr
90 mo7.5 yr
100 mo8.33333 yr
120 mo10 yr

What is a month?

Calendar months last 28 to 31 days, so this converter uses the average Gregorian month of 30.436875 days, one twelfth of an average year. For an exact count between two dates, count the actual days instead.

What is a year?

A calendar year has 365 days, or 366 in a leap year. This converter uses the average Gregorian year of 365.2425 days, which accounts for leap years over a 400-year cycle. Astronomers use slightly different year lengths.

Frequently asked questions

How many years are in a month?

A month equals 0.0833333 years. To convert any value, multiply the number of months by 0.0833333.

How do you convert months to years?

Use the formula yr = mo ÷ 12. Example: 6 mo → 6 ÷ 12 = 0.5 yr.

How many months are in a year?

A year equals 12 months. That is the reverse conversion, from years to months.

Results are rounded to 6 significant digits; the conversion factors are the exact legal definitions.