Business calculators
Profit margins, pricing, break-even analysis, loan repayments and more. Free tools to help you make better financial decisions for your business.
Profit margin calculator
Calculate true profit per unit or per job after all costs including overheads. Toggle between product and service modes. Shows gross margin, net margin, markup and break-even volume.
Where does your revenue go?New
Enter your real numbers and see a visual waterfall chart showing how revenue cascades through each cost category to profit. Surprising patterns become obvious.
Break-even calculator
Find out how many sales you need each month to cover all your costs and start making profit. Includes a scenario table showing profit at different volumes.
Build your priceNew
Stack your costs layer by layer, set your target margin, and see the price that results visually. Change any input and watch the price adjust. Shows margin vs markup clearly.
What should I charge?
Enter your costs and target margin to see the price you should charge. Works for products and services. Shows a comparison table at different margin levels.
The late payment clockNew
Watch the true cost of unpaid invoices tick upwards in real time. Includes statutory interest, fixed compensation, chasing costs, and the opportunity cost of lost cash.
Markup vs margin converter
Instantly convert between markup and margin — they are not the same number. Includes a real-world example and a common conversions reference table.
Late payment cost calculator
See what slow-paying customers are actually costing your business each year. Compare the impact of different payment terms and see what tightening by 14 days would save.
Business loan calculator
See monthly repayments, total interest paid, and a year-by-year amortisation breakdown before you commit to borrowing.
E-commerce profitability calculator
True profit margins for online sellers after marketplace fees, FBA costs, shipping, returns, advertising and VAT. Supports Amazon, Shopify, eBay, Etsy and more.
Numbers only tell half the story
These calculators give you estimates. An accountant can show you where the real opportunities are — pricing, cost reduction, and margins you did not know you could achieve.
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