Date Calculators
High-precision tools for calculating intervals, legal deadlines, milestones, and specific dates.
Court Date Calculator
Calculate legal deadlines, FRCP Rule 6 civil procedure due dates, California court days, service extensions, and litigation schedules.
Open CalculatorDate Calculator
Add or subtract days, weeks, months, and years from any date to find the resulting target date, day of week, and ISO week number.
Open CalculatorReverse Due Date Calculator
Calculate estimated conception dates and pregnancy milestones based on your due date or last period.
Open CalculatorPregnancy Due Date Calculator
Estimate your expected due date (EDD), current gestational age, and track critical timeline milestones.
Open CalculatorOvulation Date Calculator
Find your peak fertile window, predicted ovulation dates, and prospective due dates for the next 6 cycles.
Open CalculatorAge Calculator
Calculate your exact age in years, months, and days with total time breakdowns.
Open CalculatorDate Difference Calculator
Calculate the exact duration between two dates in years, months, days, weeks, weekdays, and weekend days.
Open CalculatorBusiness Days Calculator with Holidays
Calculate working days between dates, automatically excluding weekends and public bank holidays for US, UK, Canada, Australia, India, and more.
Open CalculatorWeek Number Calculator
Find the exact ISO 8601 week number, start and end dates of the week, and annual completion percentage for any date.
Open CalculatorDays Between Dates
Calculate the exact number of days, weeks, and hours between two target dates.
Open CalculatorWeek Calculator
Calculate weeks between dates, add/subtract weeks, and find ISO or US week number details.
Open CalculatorAdd Days to Date
Add specific days, weeks, months, or business days to any baseline starting date.
Open Calculator