← All categories

Make idle cash work

Banking & rates

Interest, APY comparisons, CDs and the quiet damage inflation does to savings.

Banking & ratesSimple interest calculatorInterest without compounding, on a flat balance.Banking & ratesSavings account interest calculatorBalance, monthly deposits and APY over time.Banking & ratesCD & fixed deposit calculatorMaturity value at monthly, quarterly or annual compounding.Banking & ratesSavings rate comparisonWhat switching accounts is actually worth.Banking & ratesInflation impact calculatorWhat today's money is worth years from now.Banking & ratesRule of 72 calculatorHow long money takes to double.Banking & ratesFuture value calculatorGrow a lump sum forward at a fixed rate.Banking & ratesPresent value calculatorWhat a future payment is worth today.Banking & ratesDaily compound interest calculatorInterest compounded every day.Banking & ratesMonthly compound interest calculatorInterest added once a month.Banking & ratesQuarterly compound interest calculatorFour compounding periods a year.Banking & ratesContinuous compounding calculatorThe mathematical upper bound on compounding.Banking & ratesEffective annual rate calculatorTurn a nominal rate into what you actually earn.Banking & ratesNominal rate calculatorWork backwards from an effective rate.Banking & ratesSavings doubling time calculatorHow long until your balance doubles.Banking & ratesHigh-yield savings calculatorWhat moving to a better account is worth.Banking & ratesMoney market yield calculatorYield on a short-term cash holding.Banking & ratesTreasury bill yield calculatorDiscount price to annualised yield.Banking & ratesCD ladder calculatorSpread cash across staggered maturities.Banking & ratesCD early withdrawal penalty calculatorWhat breaking a CD costs.Banking & ratesOverdraft cost calculatorFees and interest on going overdrawn.Banking & ratesBank fee drag calculatorWhat monthly account fees cost over time.Banking & ratesCurrency conversion fee calculatorThe spread hidden in a exchange rate.Banking & ratesLump sum interest calculatorSimple projection for one deposit.Banking & ratesRegular saver calculatorFixed monthly deposits into a savings account.Banking & ratesSavings withdrawal calculatorHow long a pot lasts at a fixed drawdown.Banking & ratesCash buffer calculatorMonths of cover your cash provides.Banking & ratesImplied interest rate calculatorThe rate that turned one balance into another.Banking & ratesInflation-adjusted savings calculatorYour balance in today's money.Banking & ratesReal interest rate calculatorReturn after inflation bites.Banking & ratesCash vs invested calculatorThe cost of sitting in cash.Banking & ratesDeposit protection calculatorHow much of your cash sits above the guarantee.Banking & ratesBank loan payment calculatorPayment on any fixed-rate bank loan.Banking & ratesInterest-only payment calculatorPayments when no capital is repaid.Banking & ratesBalloon payment calculatorThe lump sum left at the end of a term.Banking & ratesLoan comparison calculatorTwo offers side by side.Banking & ratesAPR to monthly rate calculatorConvert a headline APR into a period rate.Banking & ratesSavings rate calculatorWhat share of income you actually save.