Mortgage Calculator

Estimate monthly mortgage payments with taxes, insurance, and HOA for UK, European, and US scenarios.

Inputs

Total property price in the selected currency.

Amount you pay upfront. For many UK/EU/US mortgages this is 5–30% of the home price.

Nominal annual rate (e.g. 4.5).

Typical terms: 20–30 years in many regions.

Common in the US. UK/EU users can leave this as 0 if not applicable.

Often required by lenders. Enter your yearly premium or leave as 0.

Monthly association or service fees. Common in US condos and some UK/EU developments.

Result

Enter values on the left and select Equals to see the result here.

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What the Mortgage Calculator does

  • Estimates monthly principal-and-interest for a fixed-rate mortgage.
  • Optionally adds property tax, home insurance, and HOA/service charges to show a realistic monthly total.

How to use the Mortgage Calculator

  1. Choose your region and currency (GBP/EUR/USD).
  2. Enter home price, down payment, interest rate, and term.
  3. Add optional tax/insurance/HOA values (commonly used in the USA).
  4. Click Calculate to see monthly and lifetime totals.

Formula / methodology used

  • Loan amount = home price − down payment.
  • Monthly rate (r) = annual rate ÷ 12 ÷ 100; payments (n) = years × 12.
  • Uses the standard amortization payment formula; if (r = 0) uses loan amount ÷ n.
  • Monthly tax/insurance = annual amounts ÷ 12; total monthly = PI + tax + insurance + HOA.

Example calculation

Home price £300,000, down payment £60,000, 4.5% interest, 25 years (no extras).

  • Loan amount = 300,000 − 60,000 = 240,000
  • n = 25 × 12 = 300 monthly payments
  • Compute amortized monthly principal & interest

Result: Outputs show monthly principal & interest and total interest paid over the term.

Mortgage Calculator FAQs

What if my interest rate is 0%?

The calculator switches to a zero-interest formula: loan amount divided by number of payments.

Do UK/EU mortgages use property tax and HOA?

Not always in the same way as the USA. If they don’t apply to you, leave them as 0.

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