Years to Months Converter
How to convert years to months
months = years × 12
To convert years to months, multiply the number of years by 12.
1 yr = 12 mo
Examples
- 1 yr × 12 = 12 mo
- 18 yr × 12 = 216 mo
Good to know
One year is exactly 12 months. This holds for calendar months and years as well as the averages used here.
A year here is the Julian year of exactly 365.25 days (31,557,600 seconds), an average that allows for leap years. A calendar year has 365 or 366 days.
A month here is an average month of 30.4375 days, one twelfth of a 365.25-day year. Calendar months have 28 to 31 days, so results are approximate for any particular month.
Years to months conversion table
| Years (yr) | Months (mo) |
|---|---|
| 1 yr | 12 mo |
| 2 yr | 24 mo |
| 3 yr | 36 mo |
| 4 yr | 48 mo |
| 5 yr | 60 mo |
| 10 yr | 120 mo |
| 15 yr | 180 mo |
| 18 yr | 216 mo |
| 20 yr | 240 mo |
| 25 yr | 300 mo |
| 30 yr | 360 mo |
| 40 yr | 480 mo |
| 50 yr | 600 mo |
| 65 yr | 780 mo |
| 100 yr | 1,200 mo |
Unit definitions
- Year (yr)
- A year is the time the Earth takes to orbit the Sun, about 365.25 days. Calendar years have 365 days, or 366 in a leap year.
- Month (mo)
- A month is one of the twelve divisions of the calendar year, lasting 28 to 31 days. Its average length is about 30.44 days.