Big money decisions are easier when you can see the numbers. Before you sign a loan, take on a mortgage or set a savings goal, these calculators show you the monthly payment, the total cost and how interest adds up over time — so there are no surprises.

Estimate a repayment schedule, watch compound interest grow your savings, or convert a price to another currency at today's reference rate. Clear inputs, clear answers.

Tools in this category#

• Loan Calculator — Estimate monthly payments, total interest and cost of a loan.
• Mortgage Calculator — Compute your monthly payment, total cost and amortization schedule.
• Compound Interest — See how savings grow with compound interest over time.
• Currency Converter — Convert between currencies using today's reference exchange rates.
• Financial Calculator — Project savings and investments with regular contributions.
• French Income Tax Estimator — Estimate French income tax from your taxable income and household parts.

Borrow, save and spend with the numbers in front of you#

Comparing two loan offers? Put both into the loan calculator and compare the true cost. House-hunting? The mortgage calculator turns a price and a rate into a monthly payment and a full schedule. Building a nest egg? Compound interest shows the power of time. Buying from abroad? Convert the currency first.

Tip: small changes to the interest rate or term move the total cost a lot — try a few scenarios side by side before you commit.