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Convert julian year to tropical year

Here you can quickly calculate how many tropical year fit in one julian year.

- scroll: formula · table · questions -

  • 1 = 1.000021
  • 1 = 0.999979

Julian year to tropical year conversion table

julian year tropical year
1 1.000021
2 2.000043
5 5.000107
10 10.000214
20 20.000427
50 50.001068
100 100.002136

Formula to convert julian year to tropical year

To convert julian year to tropical year, multiply by 1.000021.

1 = 1.000021
Example: 1 julian year = 1.000021 tropical year

Common mistakes in time conversion

  • There are several year definitions: the Julian year is exactly 365.25 days, the Gregorian calendar year 365.2425, and the tropical year about 365.2422 days. For everyday use the differences are negligible, but they matter in astronomy, the light-year, for instance, is defined using the Julian year.

Quick julian year to/from tropical year conversion quiz

Score: 0

98 tropical year equals 88.2 julian year.

Correct answer: 98 tropical year = 98 julian year.

195 julian year equals 195 tropical year.

Correct answer: 195 julian year = 195 tropical year.

58 tropical year equals 58 julian year.

Correct answer: 58 tropical year = 58 julian year.

248 tropical year equals 211 julian year.

Correct answer: 248 tropical year = 248 julian year.

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