Money and Finance Calculators
Plan your money with fast, focused calculators for salary, mortgages, loans, savings and retirement. Every one runs in your browser and lands with sensible defaults.
UK Salary Take-Home Calculator
Estimate your monthly take-home from a UK gross salary using simplified 2025 tax bands.
Open calculator Plot No. 2 · Money & FinanceMortgage Repayment Calculator
See your monthly mortgage payment and total interest over the life of the loan.
Open calculator Plot No. 3 · Money & FinanceFIRE Retirement Calculator
Find out when you can retire based on savings, monthly investing and target spend.
Open calculator Plot No. 4 · Money & FinanceLoan Amortization Calculator
Year-by-year breakdown of principal and interest for any fixed-rate loan.
Open calculator Plot No. 8 · Money & FinanceCompound Interest Calculator
See how a lump sum grows over time with compounding using the A=P(1+r/n)^nt formula.
Open calculator Plot No. 11 · Money & FinanceSavings Goal Calculator
Work out how long it takes to reach a savings target from your balance and monthly deposits.
Open calculator Plot No. 13 · Money & FinanceHourly to Salary Calculator
Convert an hourly wage into annual, monthly and weekly gross pay in seconds.
Open calculator Plot No. 16 · Money & FinanceInflation Calculator
See the future value of money and cumulative price rise from an inflation rate over time.
Open calculator Plot No. 19 · Money & FinanceBreak-Even Calculator
Find the units and revenue needed to cover fixed costs from your price and cost per unit.
Open calculator Plot No. 20 · Money & FinanceCar Loan Calculator
Monthly payment, total interest and total cost on a car loan from price, deposit, APR and term.
Open calculator Plot No. 21 · Money & FinanceCredit Card Payoff Calculator
See how many months to clear a card balance at a fixed monthly payment, plus total interest.
Open calculator Plot No. 22 · Money & FinanceSimple Interest Calculator
Interest and final balance using interest equals principal times rate times time. Does not compound.
Open calculator Plot No. 23 · Money & FinanceROI Calculator
Total ROI percent, net profit and annualised ROI from amount invested, final value and years held.
Open calculator Plot No. 24 · Money & FinanceCAGR Calculator
Compound annual growth rate and total growth from a beginning value, ending value and years.
Open calculator Plot No. 25 · Money & FinanceRule of 72 Calculator
Estimate years to double money by dividing 72 by the rate, with the exact doubling time too.
Open calculator Plot No. 26 · Money & FinanceNet Worth Calculator
Add your assets and subtract your debts to see your true net worth in pounds.
Open calculator Plot No. 27 · Money & FinanceDebt-to-Income Ratio Calculator
Divide monthly debt by gross monthly income to see your DTI percentage and band.
Open calculator Plot No. 28 · Money & FinanceEmergency Fund Calculator
See your target emergency fund, the shortfall and how many months you already cover.
Open calculator Plot No. 29 · Money & FinanceMortgage Affordability Calculator
Estimate your maximum mortgage and property price from income, multiple and deposit.
Open calculator Plot No. 30 · Money & FinanceDown Payment Calculator
Turn a property price and deposit percentage into your deposit, mortgage and LTV.
Open calculator Plot No. 31 · Money & FinanceRent vs Buy Calculator
Compare the net cost of renting and buying over your time horizon to see which wins.
Open calculator Plot No. 70 · Money & FinanceLife Insurance Needs Calculator
Work out how much life cover you need from debts, income replacement, education costs and existing savings or insurance.
Open calculator Plot No. 72 · Money & FinanceCrypto DCA Calculator
See how a regular dollar-cost averaging contribution could grow, with total invested, projected value and profit.
Open calculator Plot No. 78 · Money & FinanceStudent Loan Repayment Calculator (UK)
Estimate your monthly UK student loan repayment from your salary and Plan 1, 2, 4, 5 or Postgraduate plan.
Open calculator Plot No. 79 · Money & FinanceUS Paycheck Tax Calculator
Estimate US take-home pay from gross salary using simplified federal tax brackets, FICA and a state tax rate.
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