๐ Date Calculator
Calculate days between dates, add or subtract days, count down to events, and calculate age. Free, fast, privacy-first. Runs in your browser.
Result
Total Days0
Total Weeks0.00
Total Months0.00
Total Years0.0000
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100% Free
No signup required. No limits on usage. Calculate unlimited dates.
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Privacy First
All calculation happens in your browser. Your data never leaves your device.
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4 Modes
Date difference, add/subtract days, countdown timer, and age calculator. All in one tool.
Date Calculator - Free Online Days Between Dates & Age Calculator
Calculate the number of days between two dates, add or subtract days from a date, count down to events, and calculate your exact age in days, weeks, months, and years. Free online tool.
How to use
- Choose a mode: Date Difference, Add/Subtract, Countdown, or Age
- Select or enter the required dates
- The result updates automatically as you type
- Copy the result with one click
Common use cases
- Calculate pregnancy due date or weeks along
- Count days until vacation or deadline
- Calculate exact age in days
- Plan project timelines and milestones