Convert Years to Months
One year equals 12 months. Type any value to convert years to months instantly — with a full reference table below.
Convert Years to Months
Converted in your browser — nothing you enter is sent anywhere.
How to convert Years to Months
To convert years to months, multiply by 12. One year equals 12 mo, and one month equals 0.0833333 yr.
- Take the value in years — for example 7.5 yr.
- Multiply by 12 (the number of months in one year).
- 7.5 × 12 = 90 mo.
Quick mental estimate: Multiply the number of years by 12 — that is exact.
Years to Months conversion table
| Years | Months |
|---|---|
| 1 yr | 12 mo |
| 2 yr | 24 mo |
| 3 yr | 36 mo |
| 5 yr | 60 mo |
| 10 yr | 120 mo |
| 15 yr | 180 mo |
| 20 yr | 240 mo |
| 30 yr | 360 mo |
| 45 yr | 540 mo |
| 60 yr | 720 mo |
| 90 yr | 1,080 mo |
| 120 yr | 1,440 mo |
| 365 yr | 4,380 mo |
| Months | Years |
|---|---|
| 1 mo | 0.0833333 yr |
| 2 mo | 0.166667 yr |
| 3 mo | 0.25 yr |
| 5 mo | 0.416667 yr |
| 10 mo | 0.833333 yr |
| 15 mo | 1.25 yr |
| 20 mo | 1.666667 yr |
| 30 mo | 2.5 yr |
| 45 mo | 3.75 yr |
| 60 mo | 5 yr |
| 90 mo | 7.5 yr |
| 120 mo | 10 yr |
| 365 mo | 30.41667 yr |
About converting Years to Months
Years (yr) and Months (mo) are both units of time. The exact factor is 1 yr = 12 mo, so multiply by 12 to go from years to months (or divide to go back).
The conversion runs entirely in your browser. Need the reverse? Use the Months to Years converter, or the full unit converter for every unit at once.
Real-world time in years and months
| Example | Years | Months |
|---|---|---|
| A full-time work year (2,080 h) | 0.237285 yr | 2.847423 mo |
| A common year (365 days) | 0.999336 yr | 11.99203 mo |
| A leap year (366 days) | 1.002074 yr | 12.02489 mo |
“≈” marks typical values; the rest are defined or measured figures.
The units
Here, an average Gregorian year: 365.2425 days (a common year has 365, a leap year 366).
Used for: Age, interest and long durations.
Here, an average Gregorian month: 30.436875 days. Real months have 28–31 days.
Used for: Loans, subscriptions and age.
Seconds, minutes, hours, days and weeks are exact. Months and years are averages of the Gregorian calendar (a year of 365.2425 days, a month of 30.436875 days), because real months and years vary in length.