UK
UK Loan Installment Calculator
Estimate fixed-rate repayments and total borrowing cost. Change the inputs below and the estimate updates immediately.
Input
Your numbers
Calculated result
Monthly payment
GBP 313.36
Total payments including fees
GBP 11,281.09
Interest and fees
GBP 1,281.09
Estimate only. Verify important decisions with an appropriate professional or official source.
How to use it
A quick estimate, without the spreadsheet.
Inputs and units
Enter principal, nominal annual fixed interest rate, monthly payment count and upfront fees.
Formula
A fixed payment amortizes principal over the selected months; total payments include entered upfront fees.
Worked example
£12,000 at 0% over 12 months gives £1,000 monthly before fees.
Assumptions and limitations
Use nominal interest, not an APR that already includes fees. Assumes monthly compounding and constant payments. Variable rates, early repayment charges and unentered fees are excluded.
Keep calculating
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