Years to Days Calculator
Convert any span of years into days by multiplying by the standard 365-day civil year. Enter whole or partial years to plan project timelines, warranty periods, or investment horizons.
Educational information, not professional advice.
Examples
- 2 years ⇒ 730 days
- 3.5 years ⇒ 1,277.5 days
- 0.75 years ⇒ 273.75 days
FAQ
Does this account for leap years?
No, it assumes exactly 365 days per year.
Can I enter decimal years?
Yes, decimals let you represent partial years.
Is the result rounded?
The calculator provides the exact multiplication result.
What units are used?
Input is in years and the output is in days.
How do I convert the days back to years?
Divide the day total by 365 for a standard year estimate or by 365.25 for a leap-year-adjusted average.
Can I enter large values such as 100 years?
Yes, the calculator scales linearly. For example, 100 years corresponds to 36,500 days under the 365-day assumption.
Additional Information
- This calculator assumes a non-leap year with exactly 365 days.
- To include leap years, multiply the number of years by 365.25 or adjust manually based on your date range.
- Enter decimal values to represent partial years, such as 1.25 for 1 year and 3 months.