Free tools for business and the office
Work out VAT, margin, profit percentage, discount and ROI, calculate a loan or interest, convert a salary to an hourly rate, count working days or make an invoice: free business calculators for entrepreneurs and freelancers. Results are indicative; if in doubt, ask an accountant.
11 free functions, tried by us
Make an invoiceEnter your details and lines, then download an invoice as a PDF.Tool: Invoice GeneratorCalculate VATConvert an amount from including to excluding VAT and the other way round (21%, 9%, 0%).Tool: RekenmachineProCalculate marginWork out margin and markup from the purchase price and selling price.Tool: RekenmachineProCalculate profit percentageWork out what percentage profit you make.Tool: RekenmachineProCalculate a discountWork out what you pay after a percentage discount.Tool: RekenmachineProCalculate ROIWork out what an investment returns (ROI/ROAS).Tool: RekenmachinePro
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Calculate a loanWork out the monthly payment and interest on a loan.Tool: RekenmachineProCalculate interestWork out compound interest and the final amount for savings.Tool: RekenmachineProConvert salary and hourly rateConvert a monthly salary to an hourly rate and the other way round.Tool: RekenmachineProCalculate working daysCount the working days between two dates, with an option to skip Dutch public holidays.Tool: RekenmachineProCalculate date differenceWork out the number of days, weeks and months between two dates.Tool: RekenmachinePro
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