📅 Date Calculator
Find the exact difference between two dates, or add and subtract days from any date. Use the arrows to pick your dates — perfect for planning events, tracking deadlines, calculating age, and more.
Free Online Date Calculator
This free date calculator helps you quickly find the exact difference between any two dates, or add and subtract days from a specific date. Whether you're planning an event, tracking a project deadline, counting down to a vacation, or calculating someone's age — this tool makes it simple and instant.
How It Works
Use the Date Difference tab to find out how many days, weeks, months, and years are between two dates. Use the up and down arrows to pick your start and end dates, then press Calculate. The Add / Subtract Days tab lets you pick any starting date, choose to add or subtract, enter a number of days (or use quick shortcuts like "30 days" or "1 year"), and instantly see the resulting date.
Common Uses
- Event planning: How many days until a wedding, birthday, or holiday?
- Deadlines: When is 90 days from today? When does a 30-day return policy expire?
- Age calculation: Find exact age in years, months, and days.
- Pregnancy tracking: Calculate due dates and trimester milestones.
- Travel planning: Count days between departure and return.
- Legal & business: Calculate notice periods, contract durations, and statute of limitations.
Features
- Works entirely in your browser — no downloads or sign-ups needed.
- Easy arrow-based date picker — no typing required.
- Quick shortcut buttons for common intervals (1 week, 30 days, 1 year, etc.).
- Results broken down into days, weeks, months, and years.
- "Set to Today" button for quick access to the current date.
- Works on desktop, tablet, and mobile devices.