Years (average) to Weeks converter

To convert years (average) to weeks, enter the value in the first field. The result in weeks is calculated automatically using the exact conversion factor.

1 yr = 52.1775 wk
1 wk ≈ 0.0191653490489 yr

Formula: wk = yr × 52.1775
yr ≈ wk × 0.0191653490489

Definitions: 1 yr = 365.2425 d; 1 wk = 7 d

The year here is the average Gregorian calendar year of 365.2425 days, or 31,556,952 seconds. Actual calendar years have 365 or 366 days, so the result for a specific year can differ by up to a day.

The week is 7 days, or 604,800 seconds. It is the basis of work and school schedules and payment cycles, and many countries number the weeks of the year under ISO 8601.

See the conversion table with commonly used values, handy for quick reference or study.