Free calculators for freelancers who bill by the hour, the project, or the invoice.

No sign-up, no account, nothing uploaded to a server. Set your rate once — it carries into your quotes and invoices automatically.

Payments

Stripe vs PayPal Fee Calculator

See exactly what Stripe, PayPal and Square keep — and what you need to charge to receive an exact amount.

Pricing

Turn your income goal, expenses, taxes and non-billable time into a real, sustainable hourly rate.

Pricing

Turn estimated hours into a full project quote with margin, contingency and milestone payments.

Salary

Convert between annual salary and hourly rate to compare a job offer with freelancing.

Invoicing

Add line items, apply a discount and tax, and get a clean, printable invoice total.

Pricing

Count business days between two dates, excluding weekends and any holidays you add.

Pricing

See margin and markup side by side from cost and price — or solve for price from either one.

Invoicing

Add or remove VAT from an amount, with common UK, EU, Australia and Canada rate presets.

Invoicing

Build a consistent invoice numbering format (e.g. INV-2026-001) and preview the next numbers.

Pricing

Add standard payment terms (Net 30/60/90) or a custom term to an issue date to get the due date.