Weeks Calculator
Calculate weeks between two dates or add and subtract weeks from any date. Perfect for project planning, scheduling, and tracking timeframes.
Weeks From Today
Weeks Between Two Dates
Popular Week Calculations
Weeks are a natural way to plan ahead — from 2-week sprints and 4-week training programs to 12-week quarters and 16-week semesters. Each link below shows the exact future date, a calendar highlighting weekly milestones, and multiple date format options. One week equals exactly 7 days, so 4 weeks is 28 days, 8 weeks is 56 days, and 16 weeks is 112 days.
Frequently Asked Questions
Use the "Weeks Between Two Dates" calculator above. Enter your start and end dates, and the tool will calculate the exact number of full weeks and remaining days between them.
There are exactly 7 days in a week. When calculating weeks from a date, the calculator multiplies the number of weeks by 7 to determine the exact target date. For example, 4 weeks equals 28 days.
Yes! The weeks calculator is ideal for project planning. Use the "Weeks From Today" calculator to determine deadline dates based on a number of weeks. You can also calculate how many weeks remain between today and a project due date.