Free UK business calculators for VAT, invoices and payments.
Calculate VAT, percentages, discounts, margins, invoice totals, payment fees, mortgage repayments and loan repayments in pounds sterling.
Popular calculations
Choose a calculator to check figures quickly before sending an invoice or payment request.
- /tools/vat-calculator
- /tools/percentage-calculator
- /tools/invoice-calculator
- /tools/payment-fee-calculator
Choose a calculator
Use the calculators below to work out common UK business figures in pounds sterling.
VAT Calculator
Add or remove VAT from a starting amount using UK standard, reduced, zero-rated or custom VAT rates. Built for quick quotes, invoices and payment checks in pounds sterling.
CalculatorPercentage Calculator
Calculate percentages, percentage increases and percentage decreases for quotes, pricing, discounts and business reports.
CalculatorPercentage Difference
Compare two values and calculate the absolute difference, percentage change and percentage difference. Useful for price changes, revenue movement and performance reporting.
CalculatorSales Tax / VAT
Calculate before-tax price, VAT amount and after-tax price. Although the UK uses VAT rather than sales tax, this calculator uses a sales tax-style layout for UK VAT calculations.
CalculatorDiscount Calculator
Calculate sale price, savings, VAT and final price after one or two discounts. Useful for promotions, quotes and product pricing.
CalculatorMarkup & Margin
Calculate gross profit, mark-up and margin from cost and selling price, or find the selling price needed to reach a target margin.
CalculatorInvoice Calculator
Calculate invoice subtotal, discount, VAT, shipping and final total in pounds sterling.
CalculatorPayment Fee Calculator
Estimate processing fees, net amount received, or the gross payment needed to receive a target net amount. Enter your own fee percentage and fixed fee.
CalculatorMortgage Calculator
Estimate monthly mortgage repayments, total repayment and total interest in pounds sterling from home price, deposit, interest rate and term.
CalculatorLoan Calculator
Estimate monthly loan repayments, total interest and total amount repayable for business or personal finance in pounds sterling.
Accept payments with NeroPay.
After calculating an amount, you can create a payment link or send a payment request with NeroPay.
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