Free Days Calculator – Count Days Between Dates

Calculate the number of days between two dates. See weeks, months, workdays, and weekends. Quick range presets. 100% free.

What Is This Tool?

The Days Calculator counts the exact number of days between any two dates, plus breaks it down into weeks, months, workdays, and weekends.

How to Use

Step 1: Enter Start Date

Select or type your starting date.

Step 2: Enter End Date

Select or type your ending date.

Step 3: View Results

See days, weeks, workdays, and more.

Results Provided

Quick Range Presets

• 1 Week — 7 days from today
• 30 Days — One month ahead
• 90 Days — Quarter ahead
• 1 Year — 365 days ahead

Use Cases

Project Planning

Calculate project timelines and deadlines.

Vacation Counting

See how many days until your trip.

Contract Periods

Calculate contract or lease durations.

Age Calculations

Days since a birth date.

Event Countdown

Days until a wedding, graduation, etc.

Include End Date Option

Toggle "Include end date" to count both the start and end dates.

Example: Jan 1 to Jan 3

• Without end date: 2 days
• With end date: 3 days

Workday Calculation

Estimates business days (Mon-Fri):

• Assumes 5 workdays per week
• Does not account for holidays
• Use as estimate only

Date Range Examples

Frequently Asked Questions

Does it handle leap years?

Yes. The calculator uses JavaScript's Date object which handles leap years.

Does it count holidays?

No. Workday count is an estimate (5/7 of total days).

Can I calculate past dates?

Yes. The result will show "days ago."

What's the maximum range?

No limit. Works for centuries.

Related Tools

• Date Calculator — Add/subtract days
• Age Calculator — Calculate age
• Time Calculator — Time math
• Deadline Calculator — Project deadlines

Select your dates above to calculate the days between them.