Simple calculators at your fingertips. Mortgage calculator A quick and easy way to calculate your mortgage payments. Company car and fuel benefit-in-kind Work out the taxable benefit on your company car. Loan calculator Work out your interest and fixed monthly repayments. APR calculator Calculate the annual percentage rate (APR) on your loan. Stamp duty land tax calculator Calculate the stamp duty charged for the purchase of property. Savings calculator Calculate the rate at which your savings will grow. Startup calculator How much funding you will need to support your new business startup? Millionaire calculator Find out how long it will take you to become a millionaire. More profit calculator Find out how you can create more profit. Fuel costs calculator Find out how much you spend on fuel per year. Land and Buildings Transaction Tax Calculate the tax charged for the purchase of property in Scotland.