Convert years to months quickly and accurately using this free online converter
Used for scheduling, project timelines, contract terms, and everyday duration calculations.
💡 A month and a year are calendar averages here (1 month ≈ 30.44 days, 1 year ≈ 365.25 days, to account for leap years) — not exact for any single specific calendar month or year.
mo = yr × 12
Example: 1 yr × 12 = 12 mo
Use days or hours for short-term planning; months or years for long-term contracts, leases, and subscriptions.
Common uses: scheduling, project planning, and contract or subscription terms.
How do I convert yr to mo?
Multiply the value in Years by 12. For example: 10 yr = 120 mo.
When should I use Months instead of Years?
Use days or hours for short-term planning; months or years for long-term contracts, leases, and subscriptions.
Is this converter accurate?
Yes. We use internationally recognized conversion factors, updated to current standards.
| Years (yr) | Months (mo) |
|---|---|
| 1 yr | 12 mo |
| 5 yr | 60 mo |
| 10 yr | 120 mo |
| 15 yr | 180 mo |
| 30 yr | 360 mo |
| 45 yr | 540 mo |
| 60 yr | 720 mo |
| 90 yr | 1080 mo |
| 120 yr | 1440 mo |
| 180 yr | 2160 mo |