Mortgage maths, made clear.
Free calculators for mortgages, affordability, refinancing, and more — built to match how lenders in your market actually calculate the numbers.
United KingdomUK calculatorsMortgage repayments, affordability, remortgaging, Stamp Duty (SDLT), LTV, overpayments, offset, and buy-to-let — in £.
- Mortgage Affordability Calculator
- Remortgage Calculator
- Stamp Duty (SDLT) Calculator
- Loan-to-Value (LTV) Calculator
United StatesUS calculatorsFull PITI mortgage payments, home affordability (28/36 DTI), refinancing, PMI, points, ARM vs fixed, and closing costs — in $.All US calculators →
CanadaCA calculatorsMortgage payments (semi-annual compounding), GDS/TDS affordability, land transfer tax, CMHC insurance, refinancing, LTV, and rental yield — in $.
- Mortgage Affordability Calculator (GDS/TDS)
- Land Transfer Tax Calculator
- CMHC Mortgage Insurance Calculator
- Refinance Calculator
AustraliaAU calculatorsMortgage repayments, borrowing power, stamp duty, LMI, offset accounts, refinancing, and rental yield — in $.
- Borrowing Power Calculator
- Stamp Duty Calculator
- LMI (Lenders Mortgage Insurance) Calculator
- LVR Calculator
New ZealandNZ calculatorsMortgage repayments, affordability, LVR restrictions, fixed vs floating rates, refinancing, and rental yield — in $.
- Borrowing Power Calculator
- LVR & Deposit Calculator
- Offset & Revolving Credit Calculator
- Refinance & Refix Calculator
IrelandIE calculatorsMortgage repayments for Irish home loans — weekly, fortnightly, or monthly, with total interest and a full amortisation schedule, in €.
- Mortgage Affordability Calculator
- Stamp Duty Calculator
- Loan-to-Value (LTV) Calculator
- Mortgage Switcher Calculator
Prefer to read first? Read our blog for plain-English mortgage guides.