Years to months

Type a value in years to see it in months straight away, or type in the second box to convert back.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Type the value in the years box.
  2. Read the result in months as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

mo = yr × 12

Multiply the value in years by 12 to get months.

Example

To convert 25 yr to months: 25 × 12 = 300 mo.

Conversion table

Years (yr)Months (mo)
112
224
336
560
10120
20240
25300
50600
1001,200
2503,000
5006,000
1,00012,000

About the units

Year
The average Gregorian year over its 400-year cycle, 365.2425 days. A common year has 365 days and a leap year 366.
Month
The average Gregorian month, 1/12 of the average Gregorian year, which is 30.436875 days. Real months run from 28 to 31 days.

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Some factors are rounded to the values given by the official references.

Questions about this tool

How many months are in one year?

1 yr = 12 mo.

How do I convert years to months?

Use mo = yr × 12. For example, 25 yr = 300 mo.

How many years are in one month?

1 mo = 0.0833333 yr.

How many days are in a month and a year here?

A year is the average Gregorian year of 365.2425 days and a month is 1/12 of that, 30.436875 days. Results are averages, so use a date calculator for the gap between two specific dates.

How is a Hijri year compared with a Gregorian year?

We use the tabular Islamic calendar average of about 354.367 days, so a Hijri year is roughly 11 days shorter than a Gregorian one. The result is approximate because real Hijri months follow the moon sighting.