Make confident money decisions.
Transparent calculators for borrowing, saving, tax and everyday spending. Every answer shows the formula and assumptions.
Browse calculators ↗Starting balance: $10,000 · Annual return: 5% · Monthly contribution: $100 · Years: 10
Visible formulas behind every answer
Official sources linked on regional data
Privacy-first browser calculations
Browse calculators
From your first savings goal to a mortgage payoff plan.
Estimate monthly payments and total interest.
→BorrowingMortgage overpayment calculatorSee how extra payments change time and interest.
→BorrowingLoan calculatorCalculate payment, interest and payoff schedule.
→Saving & investingCompound interest calculatorProject growth with regular contributions.
→Saving & investingSavings goal calculatorFind the contribution needed to reach a target.
→Saving & investingROI calculatorMeasure gain or loss against initial cost.
→Saving & investingCAGR calculatorCalculate annualised investment growth.
→Saving & investingInflation calculatorCompare purchasing power across time.
→BorrowingCredit card payoff calculatorEstimate payoff time and minimum-payment risk.
→BorrowingDebt snowball vs avalancheCompare payoff strategies across debts.
→BorrowingRent vs buy calculatorCompare the long-term cost of renting and owning.
→Pay & taxGross to net salary calculatorEffective tax rate (manual regions)
→Pay & taxSales tax, VAT & GST calculatorAdd or remove regional consumption tax.
→Pay & taxTax-inclusive and exclusive priceConvert prices before and after tax.
→Everyday moneyDiscount calculatorFind sale price and amount saved.
→Everyday moneySuccessive discount calculatorCombine multiple discounts correctly.
→Everyday moneyMargin and markup calculatorConvert between cost, price, margin and markup.
→Everyday moneyBreak-even point calculatorFind the units and revenue needed to break even.
→Everyday moneyTip and bill split calculatorSplit a bill with tax and tip.
→Everyday moneyFreelance hourly rate calculatorBuild a sustainable rate from income and costs.
→Money guides
Why is my mortgage quote higher than the calculator?
A monthly repayment is not the same as a monthly housing budget. Before deciding that a lender’s quote is wrong, compare what each number includes.
Read guide →MONEY GUIDEWhy does my investment balance grow less than expected?
A smooth compound-growth curve is a scenario, not a promise. Charges, cash-flow timing and purchasing power can change what a projected balance means.
Read guide →MONEY GUIDEWhich debt should I pay first?
The smallest balance and the highest interest rate answer different questions. A useful repayment plan starts with what you can reliably afford, not just which chart finishes first.
Read guide →GUIDEAPR vs APY: what changes the real rate?
APR describes annual borrowing costs under local disclosure rules. APY/EAR includes compounding. Check fees and compare products on the same basis.
Read guide →GUIDEHow mortgage amortisation works
Each fixed payment first covers interest on the outstanding balance. The remainder reduces principal, so the interest share normally falls over time.
Read guide →GUIDESimple interest vs compound interest
Simple interest is calculated only on principal. Compound interest is calculated on principal plus prior interest, creating accelerating growth or debt.
Read guide →GUIDEThe risk of credit-card minimum payments
Minimum payments can fall as the balance falls, stretching repayment for years. A fixed amount above the minimum is usually more effective.
Read guide →GUIDETax years, regions and data freshness
Tax years do not always match calendar years. Rates may differ by state, province, municipality, residency and filing status; always confirm the displayed scope.
Read guide →