Less guesswork.
Better numbers.
Price confidently, plan your next move, and understand your costs. Free calculators that turn business questions into clear answers.
What are you working on?
Profit Margin Calculator
Calculate your gross profit, profit margin, and markup from cost and selling price.
Open toolBreak-Even Calculator
Find how many units you need to sell before your revenue covers your costs.
Open toolVAT Calculator
Add VAT to a net price or extract VAT from a tax-inclusive price.
Open toolBusiness Loan Calculator
Estimate a fixed monthly loan payment and see the full cost of borrowing.
Open toolFree Invoice Generator
Create a clean invoice in your browser, then print it or save it as a PDF.
Open toolMarkup Calculator
Calculate markup percentage, gross profit, and selling price from your costs.
Open toolMake your numbers
work together.
A selling price is only the start. Understand what each sale contributes, then find the volume your business needs.
- 01Set your selling price ↗
Start with your cost and target margin.
- 02Understand your profit ↗
See the difference between margin and markup.
- 03Find your break-even point ↗
Work out how many sales cover your costs.
Your business notebook.
Margin vs. markup: the difference that changes your price
Compare margin and markup with a worked example, conversion formulas, and common pricing mistakes.
Read guide ↗The business notebookHow to calculate your break-even point
Understand fixed costs, variable costs, contribution, and the limits of break-even analysis.
Read guide ↗The business notebookHow to remove VAT from a tax-inclusive price
Learn why removing VAT requires division, with clear net, tax, and gross examples.
Read guide ↗Show the working.
Formulas, examples, and assumptions beside the calculator.
Your inputs stay local.
Calculator and invoice entries are processed in your browser.
Made for everyday work.
No account, no software installation, no complicated spreadsheet.