Free Business Calculators

Essential tools for freelancers and small business owners. Calculate rates, margins, fees, and more — all free, no sign-up required.

Hourly Rate Calculator

Calculate your ideal freelance hourly rate based on your desired salary, expenses, and working hours.

Calculate profit, profit margin percentage, and markup from your revenue and costs.

Calculate late fees on overdue invoices using flat rates or percentage-based fees with optional compounding.

Calculate selling price from cost and markup percentage, or find the markup on an existing product.

Calculate sales tax amount and total price after tax for any amount and tax rate.

Create and download professional invoices instantly. No sign-up required.

These calculators are just the beginning. Billed helps you create invoices, track expenses, manage clients, and get paid faster — all in one place.

No credit card required. Cancel anytime.