Finance calculators

Loans, interest, VAT — the money math, done right.

Loan repayment Monthly payment, total interest, year-by-year table Bond repayment (South Africa) Home price, deposit, prime-linked rate Compound interest Growth with monthly deposits Simple interest I = P×r×t, with the compound comparison Savings goal Months (and the date) until your target VAT calculator Add or remove VAT — 15% ZA or any rate Tip calculator Tip, total, and the per-person split Discount calculator Sale price, savings, stacked discounts Mortgage calculator (UK) Price, deposit, rate — repayment + LTV Mortgage calculator (US) P&I plus taxes and insurance, 30/15-year Salary to hourly Rate, weekly, monthly + overtime 1.5× Fuel cost Trip cost from distance, L/100km, price
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Every finance calculator here follows the same rules: results update live as you type, the formula is shown with a worked example, and the math runs entirely in your browser — nothing you enter is uploaded anywhere. More finance calculators are added regularly; each one is unit-tested against published reference values before it ships.