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Loan Calculator

Estimate monthly payments, total repayment, and interest for an amortizing loan.

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Inputs

%

Results

Estimated monthly payment
€293.49
Total repayment
€17,610
Total interest
€2,610
Principal
€15,000
Number of payments
60
  • Payment estimate uses a standard fixed-rate amortizing loan formula.

BudgetPilot calculators are for informational and educational purposes only. Results are estimates and may differ from lender calculations due to fees, insurance, taxes, rate adjustment rules, compounding conventions, day-count methods and other contractual terms.

How loans work in Spain

Variable mortgages commonly use the official 12-month Euribor mortgage-market reference published by Banco de España (monthly average that becomes official in the BOE), plus a lender margin. IRPH and other indexes also exist. Daily Euribor fixings from EMMI are not redistributed here.

Formula used

For equal monthly payments, the calculator uses the standard amortizing-payment formula M = P × r × (1+r)^n / ((1+r)^n − 1), where r is the monthly interest rate (annual rate ÷ 12) and n is the number of payments. At 0% interest, payment equals principal divided by term. The entered rate is an annual interest rate for estimation — not necessarily APR/DAE.

What this does not include

Fees, insurance, taxes, early repayment rules, promotional periods, and lender-specific compounding conventions are not modeled.

Learn more: How loan interest rates work

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