Our online calculators help you work out everyday business and personal finance figures. Tax calculators use the 2026/27 rates.
- APR calculator
This calculator assumes that interest is compounded monthly. - CIS tax deduction calculator
This calculator helps calculate any necessary CIS tax deductions. - Company car and fuel benefit-in-kind
The taxable benefit on your company car is based on the CO2 emissions of the car. These calculations are for the 2026/27 tax year. - Fuel costs calculator
Enter the details of how many miles you expect to drive in the next twelve months, along with the price you pay for fuel (less VAT if you are VAT registered) and the MPG of your vehicle. This calculator will then provide you with details of how much you spend on fuel per year. - Gross profit calculator
If you would like to calculate your Gross Profit, and Gross Profit Margin, please enter the details of your sales below and press the Calculate button. - Loan calculator
Work out your interest and your fixed monthly repayments. - Millionaire calculator
Enter the details of your savings and press calculate to see how long it will take you to become a millionaire. - More profit calculator
Enter the figures from your last accounts, or your estimated projections, to see how you could make more profit. - Mortgage calculator
Enter the details for your mortgage below and press the calculate button. - Payslip calculator
This payslip calculator performs calculations for the 2026/27 tax year on a Month 1 basis. - Property tax calculator
Calculate the stamp duty charged for the purchase of property in England, Scotland, Wales and Northern Ireland. - Savings calculator
Enter the details of your savings and press the calculate. - Startup calculator
This calculator will assist you in working out how much funding you will need to support your new business startup. - VAT calculator
Calculate the standard rated VAT that has been paid or will be paid on amounts entered.