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Finance & Money

Plan payments, savings and everyday money decisions with transparent formulas, worked breakdowns and assumptions you can change.

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CD / APY Calculator CD value at maturity, interest earned, and APR-to-APY conversion. Compound Interest Calculator What savings grow to, with regular deposits and any compounding frequency. Credit Card Payoff Calculator How long a fixed payment takes, what interest costs, and what extra payments save. Currency Converter Convert currencies with daily reference rates from central-bank data. Loan Calculator Monthly payment, total interest and a year-by-year breakdown for any loan. Mortgage Calculator How mortgage payments work — principal, interest, taxes and insurance. Paycheck Calculator Estimate take-home pay from hourly or salary wages, W-4 choices, deductions and up to three work states. Savings Goal Calculator The monthly deposit needed to reach a target by a chosen date.

Tip Calculator Tip, total and an even split — including who pays the odd cent.

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About this collection

Understand the numbers behind a money decision

These calculators are designed to show more than a headline answer. Loan and mortgage tools separate principal from interest, savings tools show the effect of time and compounding, and payoff tools make the cost of a slower repayment visible. Inputs, rates and assumptions remain on screen so you can change one factor and see exactly what moved.

Results are estimates rather than quotes or financial advice. Tax rules, lender methods, fees and compounding conventions vary, and small rounding differences accumulate over long periods. Use the breakdown to compare scenarios, then verify a decision with the relevant lender, employer, tax authority or qualified adviser.

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