Years (average) to Months (average): the quick answer
1 yr = 12 mo
1 year equals 12 months
To convert years to months, multiply the value by 12. To go the other way, multiply months by 0.0833333 to get years.
Enter details
1 year =
12 months
1 month =
0.0833333 years
Formula
mo = yr × 12
Handy values
5 yr = 60 mo · 10 yr = 120 mo · 100 yr = 1,200 mo
Conversion at a glance
Formula
Years (average) to Months (average)
mo = yr × 12
Months (average) to Years (average)
yr = mo × 0.0833333
Where
- yr = the time in years
- mo = the time in months
Every unit here is defined by its time in seconds, so the conversion factor is (seconds per year) ÷ (seconds per month).
Years (average) to Months (average) conversion table
| Years (average) (yr) | Months (average) (mo) |
|---|---|
| 1 yr | 12 mo |
| 2 yr | 24 mo |
| 3 yr | 36 mo |
| 4 yr | 48 mo |
| 5 yr | 60 mo |
| 6 yr | 72 mo |
| 7 yr | 84 mo |
| 8 yr | 96 mo |
| 9 yr | 108 mo |
| 10 yr | 120 mo |
| 12 yr | 144 mo |
| 14 yr | 168 mo |
| 15 yr | 180 mo |
| 20 yr | 240 mo |
| 21 yr | 252 mo |
| 24 yr | 288 mo |
| 25 yr | 300 mo |
| 30 yr | 360 mo |
| 40 yr | 480 mo |
| 50 yr | 600 mo |
| 60 yr | 720 mo |
| 75 yr | 900 mo |
| 80 yr | 960 mo |
| 100 yr | 1,200 mo |
| 200 yr | 2,400 mo |
| 250 yr | 3,000 mo |
| 300 yr | 3,600 mo |
| 400 yr | 4,800 mo |
| 500 yr | 6,000 mo |
| 750 yr | 9,000 mo |
| 1,000 yr | 12,000 mo |
Worked examples
About these units
Year (yr). An average Gregorian year is 365.2425 days, allowing for leap years.
Month (mo). An average Gregorian month is 30.436875 days (1/12 of 365.2425 days).
Frequently asked questions
How many months are in one year?
There are 12 months in one year.
How do I convert years to months?
Multiply the number of years by 12. For example, 10 years equal 120 months.
How many years are in one month?
One month equals 0.0833333 years.
How many months is 12 years?
144 months. Other common values: 5 years = 60 months and 100 years = 1,200 months.
More time conversions
From years
To months
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