Home/Tools/ROI CalculatorROI CalculatorCalculate return on investment percentage.How to useEnter initial investment and return. See ROI %.Amount investedAmount returnedRelated ToolsInvoice GeneratorCreate a simple invoice with line items and total.Hourly Rate CalculatorCalculate hourly rate from desired annual salary and hours.Profit Margin CalculatorCalculate profit margin from cost and price.Break-Even CalculatorCalculate break-even point in units and revenue.