Planning & time calculators
Plan dates, working time, savings timelines, and everyday time differences without spreadsheet setup.
Calculators in this category
When these tools help
Choose the time calculator for the distance between two dates, weekday-only business-day counts, a worked shift with a break, or a rough pay estimate. Choose the age calculator when you need an exact age on a particular date. The conception-date and due-date tools answer pregnancy-timing questions instead: one works backwards from a due date or birth date, while the other estimates forwards from a menstrual date, conception date, or scan date.
Use the savings-goal calculator when the real question is how many months repeated contributions may take, rather than how many days are on a calendar. The unit converter supports planning tasks where a schedule, form, or checklist uses unfamiliar measurements, such as converting feet to metres or pounds to kilograms.
Calendar results depend on the dates and conventions entered. Business-day counts exclude weekends but not national or local holidays, pay estimates omit tax and contract rules, and pregnancy dates are estimates rather than clinical predictions. Calculator inputs and results stay in the browser and are not sent to analytics.