Contracts & Legal
Calculate contract end dates, expiry dates, durations, renewal deadlines, SLA deadlines, and license or certification renewal windows.
7 calculators in this category
- Contract End Date CalculatorCalculate contract end dates and 30/60/90-day renewal reminders from a start date and term.
- Contract Expiry CalculatorFind the exact date a contract expires from its start date and term length.
- Contract Duration CalculatorFind the exact length of a contract term in years, months, and days from its start and end dates.
- Contract Renewal CalculatorFind the deadline to renew or cancel a contract from its end date and a renewal notice period.
- SLA Deadline CalculatorCalculate SLA deadlines in hours, calendar days, or business days with optional weekend adjustment.
- License Renewal CalculatorFind a license expiry date and 30/60/90-day renewal reminders from the issue date and validity period.
- Certification Renewal CalculatorFind a certification expiry date and 30/60/90-day renewal reminders from the issue date and validity period.
Related Guides
- Business Days vs Calendar Days GuideLearn what calendar days and business days mean, when each applies to deadlines and contracts, and which DateToolsHQ calculators to use for invoices, SLAs, notice periods, and more.
- Business Time Calculators GuideCentral guide to DateToolsHQ Business Time calculators—invoice due dates, contract end dates, SLA deadlines, business-day math, notice periods, and deadline planning in UTC.
- How Business Days Are CalculatedUnderstand how business day counts work: weekends, holidays, inclusive ranges, and how DateToolsHQ applies the rules.
- How Many Working Days Are in a Year?See how working day totals are derived from calendar days, weekends, and holidays—and how to use country and year pages for planning.