Convert Days to Years

Looking to convert durations in days into more meaningful year-based values? The Convert Days to Years Tool helps you do just that. It uses the average Gregorian year length of 365.2425 days to provide accurate and consistent conversions for schedules, logs, and time-based data.

Paste your input above or import a file below.
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Supported file types: .txt, .csv, .log, .json, .xml, .md, .html, .htm, .yaml, .yml, .ini
Total items: 0

How to Use:

  1. Enter Days: Type or paste one or more values (in days) into the input box, one per line.
  2. Live Conversion: Each value is instantly converted to years using the average year formula, rounded to two decimal places.
  3. Import File: Click Choose File to upload a list of day values from a .txt, .csv, or other plain-text file.
  4. Copy or Export: Use Copy Output to copy results to your clipboard, or Export to File to download them.
  5. Clear All: Click Clear All to reset everything and start over.

What Convert Days to Years Tool can do:

  • Converts days into years using the formula: days ÷ 365.2425
  • Supports batch input with live updates
  • Flags any invalid entries clearly with Invalid input
  • Allows importing and exporting of data for larger workflows
  • Provides real-time feedback with flashing output and total item count

Example:

Input:

365.2425
730.485
182.62125
1095.7275

Output:

1.00 years
2.00 years
0.50 years
3.00 years

Common Use Cases:

Use this tool to standardize durations across reports, convert long-term logs, or simply make sense of day-level time data in a more familiar format. It’s ideal for analysts, educators, developers, and anyone working with time values that span months or years. Just paste, convert, and go.

Useful Tools & Suggestions:

If you’re moving between scales, Convert Days to Months helps smooth the transition before leaping to years. And for working backwards, Convert Years to Days keeps everything aligned without redoing your math.

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