All Mortgage Calculators

Free tools to understand the real numbers behind a home purchase: monthly cost, financing vs. paying cash, switching lenders, renovation returns, rent vs. buy, refinancing and down payments.

Finance vs. Pay Cash

Compare the true cost of financing a home vs. paying cash. Free calculator with opportunity cost, total interest and invested capital over time.

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Loan Portability

Transfer your mortgage to a lender offering a lower rate and see your monthly savings, total savings and how long it takes to recover the fees. Free portability calculator.

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Renovation ROI

Estimate the new value of your home after a renovation and see whether you make a profit or a loss. Free renovation ROI calculator with typical cost recovery by renovation type.

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Rent vs. Buy

Compare renting vs. buying over your planned stay. Free calculator with rent increases, home appreciation, property tax, maintenance and investment returns.

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Refinance Calculator

Free refinance calculator. Compare your current mortgage with a new one: monthly payment, interest savings and break-even months. Should you refinance? Find out.

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Down Payment Calculator

Free down payment calculator. See your down payment amount, loan amount, monthly payment, PMI and total interest — and compare 5%, 10%, 15% and 20% down.

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FHA vs Conventional

Compare FHA and conventional mortgages — down payment, credit score, mortgage insurance and rates — to choose the right loan for your home purchase.

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PGBL vs VGBL

Compare Brazilian retirement plans: PGBL (tax-deductible contributions, taxed on full amount) vs VGBL (no deduction, taxed only on earnings). Find out which saves more for your situation.

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Décimo Terceiro

Calculate your Brazilian 13th salary: 1st and 2nd installments, progressive INSS and IR deductions, proportional 13th for partial years, and total net amount.

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Brutto-Netto-Rechner

German gross-to-net salary calculator. See your Lohnsteuer, Solidaritätszuschlag, Kirchensteuer, health, pension, unemployment and care insurance deductions. Supports all 5 Steuerklassen.

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Wieviel Hypothek Netto

How much mortgage can you afford with your German net salary? Step-by-step guide: from gross-to-net to the 35-40% bank affordability rule, equity and purchase costs.

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ISA vs GIA

UK ISA vs General Investment Account calculator. Compare tax-free ISA returns with a taxable GIA: CGT, dividend tax and the real cost of investing outside an ISA.

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