Free Business Calculators
Fast, accurate tools for small business owners. No signup, no ads in the way — just answers.
Profit Margin Calculator
Calculate gross margin, net margin, and profit from revenue and cost.
Break-Even Calculator
Find exactly how many units you need to sell to cover your costs.
Markup Calculator
Set the right price. Convert between markup percentage and profit margin.
Invoice Generator
Create a professional invoice in seconds. Print or save as PDF, free.