Small, useful tools and kits

Single-purpose tools that run in your browser and practical kits you can download once and keep.

• Deposit and Milestone Split CalculatorSplit a project fee into a deposit and milestone payments
• Freelance Hourly Rate CalculatorTurn a target income into an hourly and day rate, with the math shown
• Invoice Due Date CalculatorNet 30, net 60 or custom terms, with business-day and weekend handling
• Late Payment Fee CalculatorFlat fees or monthly interest on overdue invoices, prorated by day
• Markup and Margin CalculatorConvert between markup, margin, cost and price without confusing the two