Business Calculators
Our free UK business calculators help sole traders, small businesses, and freelancers analyse profitability, plan pricing, and evaluate business decisions. All tools are designed around the way UK businesses actually operate, using HMRC-aligned figures and standard business accounting principles.
Running a profitable business requires understanding your margins, knowing your break-even point, and making smart decisions about pricing and costs. These calculators give you the clarity you need without needing a spreadsheet or an accountant for every quick calculation.
- ✓Calculate profit margin and markup on products and services
- ✓Find your break-even point in units or revenue
- ✓Measure return on investment (ROI) for campaigns or projects
- ✓Estimate ecommerce profit after fees, shipping, and VAT
- ✓Compare contractor day rates against equivalent PAYE salaries
- ✓Assess IR35 inside vs outside determination implications
All Business Calculators
Ecommerce Profit Calculator
Calculate your actual profit per order after product costs, shipping, platform fees, and advertising spend. Works for Shopify, Amazon, eBay, and Etsy.
Contractor vs Employee Calculator
Compare your take-home pay as a PAYE employee vs a contractor operating through a limited company. Includes IR35 considerations.
IR35 Calculator
See exactly how much more you take home outside IR35 vs inside IR35. Enter your contract day rate and get a side-by-side comparison in seconds.