How to convert years to months
Years and Months both measure time, so converting is a single multiplication. One yr equals 12 mo, so you multiply your years value by 12.
Formula: months = years × 12. For example, 10 yr = 120 mo.
Years to Months conversion table
| Years (yr) | Months (mo) |
|---|---|
| 1 | 12 |
| 2 | 24 |
| 5 | 60 |
| 10 | 120 |
| 25 | 300 |
| 50 | 600 |
| 100 | 1,200 |
| 1,000 | 12,000 |
Years and Months explained
Years (yr): About 365.25 days, accounting for leap years.
Months (mo): About 30.44 days on average (one-twelfth of a year).
When you'd convert years to months
You'll convert years to months whenever a measurement is given in one unit but you need it in the other — comparing years and months figures across regions, following a recipe or spec, or double-checking a number. Because 1 yr is exactly 12 mo, the result is precise every time.
Frequently asked questions
How many months are in a year?
One yr equals 12 mo. Multiply your years figure by 12 to get months.
What is the formula to convert years to months?
months = years × 12. The factor 12 is exact.
What is 2 years in months?
2 yr = 24 mo. You can enter any value in the converter above to get an instant result.
Is this Years to Months converter accurate?
Yes. It uses the standard conversion factor (1 yr = 12 mo) defined by BIPM — SI Brochure (definition of the second), so results are exact to several decimal places.