Resource Library Sub MenuMobile App Online Resources Factsheets News Newsletter Signup Loan calculator Work out your interest and your fixed monthly repayments. Loan Amount (£): The total value of the loan taken. APR (%): The Annual Percentage Rate being charged for the loan. Loan Period: The number of months that the loan is repayable over. Calculate Note: These calculations are only for illustrative purposes and are not a substitute for professional advice.