Days Calculator

Find the number of days between any two dates—fast and simple.

Tool Icon Days Calculator

Days Calculator

Calculate the number of days between two dates with a clear breakdown

Step 1: Select Start Date

Choose the beginning date for your calculation

Select any date in the past, present, or future
Step 2: End Date & Mode
Calculation History:
No calculation history yet
Common Calculation Types:
Project Duration

Calculate total working days for milestones

Age in Days

Discover exactly how many days old you are

Vacation Countdown

Measure the time remaining until your trip

How to Use:
  1. Select your Start Date in the top section.
  2. Select your End Date in the settings section.
  3. Choose whether to include the start date in the final count.
  4. Click "Calculate Days" to view the detailed breakdown.

About This Tool

Look, I get it—sometimes you just need to know how many days are between two dates. Maybe you’re counting down to a trip, tracking a project deadline, or just curious how long it’s been since that weird thing happened last summer. Whatever the reason, a days calculator is one of those simple tools that actually gets used more than you’d think.

This isn’t some flashy app with animations or ads popping up every three seconds. It’s straightforward: pick a start date, pick an end date, and boom—you get the number of days in between. No fluff, no login required, no “premium features” behind a paywall. Just a clean, no-nonsense way to do the math so you don’t have to count on your fingers (or worse, trust your memory).

Key Features

  • Calculates the exact number of days between any two dates—past, present, or future.
  • Works with leap years, so you don’t have to worry about February 29 sneaking up on you.
  • Handles date ranges across different months and years without breaking a sweat.
  • Simple interface—no confusing menus or hidden settings. You click, you type, you get your answer.
  • Free to use. Always. No tracking, no data collection, just pure date math.
  • Works on your phone, tablet, or desktop. Because sometimes you need it while waiting in line at the grocery store.

FAQ

Does it include both the start and end dates in the count?
Nope. By default, it counts the number of full days between the two dates. So if you pick January 1 and January 3, it’ll show 2 days. If you need to include both dates, just add one to the result. Easy fix.

What if I mess up the date format?
Don’t sweat it. The calculator is pretty forgiving. Whether you type “Jan 5, 2026” or “01/05/2026” or even “5 January 2026,” it’ll usually figure it out. Just make sure the dates make sense—like, don’t pick February 30. That’s not a thing.