Years to Decades Calculator
Use the years to decades calculator to convert between years and decades.
Result0.1 dec1 yr converted
1 yr equals0.1 dec
1 dec equals10 yr
Year (average) to decade reference
| year (average) | decade |
|---|---|
| 1 yr | 0.1 dec |
| 2 yr | 0.2 dec |
| 5 yr | 0.5 dec |
| 10 yr | 1 dec |
| 25 yr | 2.5 dec |
| 50 yr | 5 dec |
| 100 yr | 10 dec |
| 500 yr | 50 dec |
| 1,000 yr | 100 dec |
How to convert year (average) to decade
One year (average) equals 0.1 dec, so multiply the number of year (average)s by 0.1:
dec = yr × 0.1
Going the other way
One decade equals 10 yr, so to convert back:
yr = dec × 10
Both directions are shown in the results above, and the drop-downs let you convert between any pair of time units — not just these two.