Years Converters

Simplify your time calculations. Convert years to date, milliseconds, seconds, minutes, hours, days, weeks, months and centuries — all in one place.

Years

yr
Uses ≈ 365.2425 days per year. Up to 20 digits.

Output

To Date
—
To milliseconds
—
To seconds
—
To minutes
—
To hours
—
To days (≈ 365.2425 d/yr)
—
To weeks
—
To months
—
To centuries
—
1 year ≈ 365.2425 days; 1 century = 100 years.

About the years converter

One year (yr) is approximated as 365.2425 days (tropical year). Using this average makes conversions stable across leap years.

Why it matters

Years are ideal for long-term planning, budgets, and trend analysis. Approximations help compare spans without calendar edge cases.

Typical conversions

  • yr → Date: approximate timestamp from the UNIX epoch
  • yr → ms / s / min / h / d / wk / mo: scale to common units
  • yr → centuries: express very long spans
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