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Online calculators

Includes calculators for mortgages, loans, APR, payslips, VAT, stamp duty, company car and fuel benefits.

Simple calculators at your fingertips.

Calculate the annual percentage rate (APR) on your loan.

Calculate CIS Tax Deductions.

Work out the taxable benefit on your company car.

Find out how much you spend on fuel per year.

Work out your gross profit and gross profit margin.

Work out your interest and fixed monthly repayments.

Find out how long it will take you to become a millionaire.

Find out how you can create more profit.

A quick and easy way to calculate your mortgage payments.

Want to check your net pay?

Calculate the rate at which your savings will grow.

Calculate the tax charged for the purchase of property.

How much funding you will need to support your new business startup?

Calculate the VAT paid or payable.

09 Jun 2025

HMRC has launched a new online interactive tool to help guide both businesses and individuals through tax compliance checks.

09 Jun 2025

Almost 300,000 people filed their tax return in the first week of the new tax year, setting a new record, HMRC has revealed.