To convert tropical years to centuries, multiply the value by 0.00999999. To go the other way, multiply centuries by 100 to get tropical years.
| Tropical Years (trop yr) | Centuries (c.) |
|---|---|
| 1 trop yr | 0.00999999 c. |
| 5 trop yr | 0.05 c. |
| 10 trop yr | 0.0999999 c. |
| 25 trop yr | 0.25 c. |
| 50 trop yr | 0.5 c. |
| 100 trop yr | 0.999999 c. |
| 250 trop yr | 2.5 c. |
| 500 trop yr | 5 c. |
| 1,000 trop yr | 9.99999 c. |
| 2,500 trop yr | 25 c. |
| 5,000 trop yr | 50 c. |
| 10,000 trop yr | 99.9999 c. |
| 100,000 trop yr | 999.999 c. |
| 1,000,000 trop yr | 9,999.99 c. |
Tropical year (trop yr). A tropical (solar) year is 365.24219 days, from one March equinox to the next.
Century (c.). A century is 100 years.
There are 0.00999999 centuries in one tropical year.
Multiply the number of tropical years by 0.00999999. For example, 10 tropical years equal 0.0999999 centuries.
One century equals 100 tropical years.
9.99999 centuries. Other common values: 100 tropical years = 0.999999 centuries and 10,000 tropical years = 99.9999 centuries.