Essential calculators for UK freelancers and small businesses. No signup required—just useful tools to help you run your business.
Add or remove VAT from any amount. Calculate VAT at standard (20%), reduced (5%), or custom rates for UK businesses.
Calculate statutory interest and compensation for overdue B2B invoices under UK law. Know your rights.
Calculate your Days Sales Outstanding to understand how quickly you're collecting payments from customers.
Calculate what hourly or day rate you should charge as a freelancer based on your income goals and expenses.
Experi automates your entire invoicing process. Create professional invoices, track payments, and get paid faster—all in one place.