Year → Month (y → mth)

1 y = 12 mth
1 Year (y) = 12 Month (mth).

Year (y):


Month (mth):

If you want to reverse convert, use Month → Year. 1 mth = 0.083333333333333 y. You can also explore the full Time converter page for more cross conversions.

Conversion formula

Year to Month formula: value in mth = value in y × 12.

Month to Year formula: value in y = value in mth × 0.083333333333333.

How to convert Year to Month

To convert Year to Month, multiply the value in y by 12. This gives the result in mth.

For example, 1 y = 12 mth and 10 y = 120 mth.

What is Year?

Year (y): This calculator assumes a fixed 365-day year. It does not calculate leap years or elapsed time between calendar dates. 1 y = 365 d = 31536000 s.

What is Month?

Month (mth): This calculator uses one twelfth of a 365-day year. Calendar months have 28–31 days, so this is a fixed-duration equivalent. 1 mth = 2628000 s ≈ 30.416667 d.

FAQ

Year → other Time units

• 1 year = 31536000 second
• 1 year → month = 12 month
• 1 year → week = 52.142857142857 week
• 1 year → day = 365 day
• 1 year = 8760 hour
• 1 year = 525600 minute
• 1 year = 31536000000 millisecond
• 1 year = 31536000000000 microsecond
• 1 year = 3.1536E+16 nanosecond
• 1 year = 3.1536E+19 picosecond

Year → Month Table

The table below shows common values from Year to Month and the reverse direction for quick reference.

Month → Year Table

Month → Year

The reverse value is 1 mth = 0.083333333333333 y.