Finance & Billing
Calculate invoice due dates, net payment terms, and prorated rent for partial billing periods.
6 calculators in this category
- Invoice Due Date CalculatorCalculate invoice due dates from net payment terms with optional weekend adjustment.
- Net 15 CalculatorFind an invoice due date 15 calendar days from the invoice date, with optional weekend adjustment.
- Net 30 CalculatorFind an invoice due date 30 calendar days from the invoice date, with optional weekend adjustment.
- Net 45 CalculatorFind an invoice due date 45 calendar days from the invoice date, with optional weekend adjustment.
- Net 60 CalculatorFind an invoice due date 60 calendar days from the invoice date, with optional weekend adjustment.
- Prorated Rent CalculatorEstimate prorated rent for partial-month move-in or move-out dates.
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.