To convert Julian years to centuries, multiply the value by 0.0100002. To go the other way, multiply centuries by 99.9979 to get Julian years.
| Julian Years (a) | Centuries (c.) |
|---|---|
| 1 a | 0.0100002 c. |
| 2 a | 0.0200004 c. |
| 3 a | 0.0300006 c. |
| 4 a | 0.0400008 c. |
| 5 a | 0.050001 c. |
| 6 a | 0.0600012 c. |
| 7 a | 0.0700014 c. |
| 8 a | 0.0800016 c. |
| 9 a | 0.0900018 c. |
| 10 a | 0.100002 c. |
| 12 a | 0.120002 c. |
| 14 a | 0.140003 c. |
| 15 a | 0.150003 c. |
| 20 a | 0.200004 c. |
| 21 a | 0.210004 c. |
| 24 a | 0.240005 c. |
| 25 a | 0.250005 c. |
| 30 a | 0.300006 c. |
| 40 a | 0.400008 c. |
| 50 a | 0.50001 c. |
| 60 a | 0.600012 c. |
| 75 a | 0.750015 c. |
| 80 a | 0.800016 c. |
| 100 a | 1.00002 c. |
| 200 a | 2.00004 c. |
| 250 a | 2.50005 c. |
| 300 a | 3.00006 c. |
| 400 a | 4.00008 c. |
| 500 a | 5.0001 c. |
| 750 a | 7.50015 c. |
| 1,000 a | 10.0002 c. |
Julian year (a). The Julian year is exactly 365.25 days, used in astronomy (light years).
Century (c.). A century is 100 years.
There are 0.0100002 centuries in one Julian year.
Multiply the number of Julian years by 0.0100002. For example, 10 Julian years equal 0.100002 centuries.
One century equals 99.9979 Julian years.
0.120002 centuries. Other common values: 5 Julian years = 0.050001 centuries and 100 Julian years = 1.00002 centuries.