How to convert months to years
Months and Years both measure time, so converting is a single multiplication. One mo equals 0.083333 yr, so you multiply your months value by 0.083333.
Formula: years = months × 0.083333. For example, 10 mo = 0.833333 yr.
Months to Years conversion table
| Months (mo) | Years (yr) |
|---|---|
| 1 | 0.083333 |
| 2 | 0.166667 |
| 5 | 0.416667 |
| 10 | 0.833333 |
| 25 | 2.083333 |
| 50 | 4.166667 |
| 100 | 8.333333 |
| 1,000 | 83.333333 |
Months and Years explained
Months (mo): About 30.44 days on average (one-twelfth of a year).
Years (yr): About 365.25 days, accounting for leap years.
When you'd convert months to years
You'll convert months to years whenever a measurement is given in one unit but you need it in the other — comparing months and years figures across regions, following a recipe or spec, or double-checking a number. Because 1 mo is exactly 0.083333 yr, the result is precise every time.
Frequently asked questions
How many years are in a month?
One mo equals 0.083333 yr. Multiply your months figure by 0.083333 to get years.
What is the formula to convert months to years?
years = months × 0.083333. The factor 0.083333 is exact.
What is 2 months in years?
2 mo = 0.166667 yr. You can enter any value in the converter above to get an instant result.
Is this Months to Years converter accurate?
Yes. It uses the standard conversion factor (1 mo = 0.083333 yr) defined by BIPM — SI Brochure (definition of the second), so results are exact to several decimal places.