Financial Calculators
87 free calculators
Mortgage, loan, investment, tax, retirement, and personal finance calculators.
Mortgage Calculator
Calculate your monthly mortgage payment, total interest, and amortization schedule. Free mortgage calculator for USA, UK, Canada & Australia.
Loan Calculator
Free loan calculator to find monthly payments, total interest paid, and payoff date for personal, auto, or student loans. Works for all loan types.
Auto Loan Calculator
Calculate your monthly car loan payment, total cost, and interest paid. Enter vehicle price, down payment, interest rate, and loan term.
Compound Interest Calculator
Calculate compound interest on investments and savings. See how your money grows over time with daily, monthly, or annual compounding.
Simple Interest Calculator
Calculate simple interest instantly. Enter principal, rate, and time to find total interest and final amount. Free simple interest formula tool.
Investment Calculator
Calculate investment returns, ROI, and future value of investments. Compare scenarios with different rates and time horizons.
Retirement Calculator
Plan your retirement savings with our free calculator. Find out how much you need to retire comfortably based on your age, income, and goals.
Savings Calculator
Calculate how your savings will grow over time. Add regular contributions and see the power of compound interest on your savings account.
Amortization Calculator
Generate a full loan amortization schedule. See every monthly payment broken down into principal and interest for any loan.
Income Tax Calculator
Estimate your 2025 income tax liability. Calculate federal and state taxes based on filing status, income, and deductions. USA tax calculator.
Salary Calculator
Convert salary to hourly, weekly, monthly pay. Calculate take-home pay after taxes. Free salary calculator for USA, UK, Canada & Australia.
Take-Home Pay Calculator
Calculate your take-home pay after federal tax, state tax, Social Security, and Medicare deductions. Net salary calculator for all US states.
ROI Calculator
Calculate return on investment (ROI) percentage and profit for any investment. Simple ROI formula with net profit and cost of investment.
Credit Card Calculator
Find out when you'll pay off your credit card debt and how much interest you'll pay. Calculate minimum vs accelerated payment strategies.
Debt Payoff Calculator
Plan your debt payoff strategy using the debt snowball or avalanche method. Calculate your debt-free date and total interest savings.
Budget Calculator
Create a personal monthly budget with our free calculator. Track income vs expenses using the 50/30/20 budgeting rule.
House Affordability Calculator
Find out how much house you can afford based on your income, debts, and down payment. Uses lender guidelines for accurate estimates.
Down Payment Calculator
Calculate how much down payment you need for a home purchase. See PMI requirements, loan amounts, and savings timelines.
Rent vs Buy Calculator
Compare the true cost of renting vs buying a home. Our rent vs buy calculator accounts for all costs including appreciation, taxes, and opportunity cost.
Refinance Calculator
Should you refinance your mortgage? Calculate monthly savings, break-even point, and lifetime savings with our refinance calculator.
Inflation Calculator
Calculate the effect of inflation on purchasing power. Find how much money from any past year is worth in today's dollars using CPI data.
Student Loan Calculator
Calculate student loan monthly payments and total interest. Compare standard, income-driven, and graduated repayment plans.
Business Loan Calculator
Calculate business loan payments, total cost, and APR. Estimate monthly payments for SBA loans, term loans, and lines of credit.
Sales Tax Calculator
Calculate sales tax for all 50 US states. Add or remove tax from any price instantly. Free sales tax rate calculator by state and city.
VAT Calculator
Calculate VAT for UK, EU, and Australia. Add or remove VAT from any price. Supports all EU VAT rates and UK standard 20% VAT.
Discount Calculator
Calculate sale price after percentage discount. Find what percentage off any original price and how much you save.
Margin Calculator
Calculate profit margin, markup, and gross profit. Find selling price from cost and desired margin percentage.
Commission Calculator
Calculate sales commission earnings. Find commission amount from total sales and commission rate percentage.
Depreciation Calculator
Calculate asset depreciation using straight-line, declining balance, or MACRS methods. Find annual depreciation expense and book value.
Tip Calculator
Calculate tip amount and split the bill among friends. Find gratuity for any bill total and tip percentage.
Currency Calculator
Convert currencies with live exchange rates. USD to EUR, GBP, CAD, AUD, INR and 150+ currencies. Real-time forex converter.
IRR Calculator
Calculate Internal Rate of Return (IRR) for investments and projects. Evaluate profitability of capital investments and cash flows.
Payback Period Calculator
Calculate how long it takes to recover an investment. Find the payback period for capital projects and business investments.
FIRE Calculator
Calculate your FIRE number and retirement age. Use the 4% rule to find how much you need to achieve financial independence and retire early.
Freelancer Rate Calculator
Calculate your freelance hourly rate. Convert salary to freelance rate accounting for taxes, benefits, vacation time, and overhead.
SIP Calculator
Calculate SIP returns for mutual funds. Find maturity amount, wealth gained, and projected returns for monthly SIP investments.
Interest Rate Calculator
Calculate the interest rate on a loan given payment amount, loan amount, and term. Reverse-engineer your loan's APR and monthly rate.
Mortgage Payoff Calculator
Calculate how extra monthly payments accelerate your mortgage payoff date and reduce total interest paid. See months saved and dollars saved instantly.
401(k) Calculator
Project your 401(k) balance at retirement. Enter contribution rate, employer match, current balance, and expected return to see your retirement nest egg.
Roth IRA Calculator
Calculate your Roth IRA balance at retirement and compare tax-free Roth growth against Traditional IRA after-tax value. Optimize your retirement tax strategy.
IRA Calculator
Compare Traditional IRA vs Roth IRA after-tax retirement value based on your current and expected retirement tax rates. Find which IRA is right for you.
RMD Calculator
Calculate your Required Minimum Distribution from IRA or 401(k) using official IRS life expectancy tables. Avoid the 25% IRS penalty for missed RMDs.
Pension Calculator
Calculate your defined benefit pension payout, lifetime benefit value, and lump sum equivalent. Compare pension income against 401(k) retirement savings.
Social Security Calculator
Compare Social Security benefits at ages 62, 67, and 70. Find your break-even claiming age and maximize lifetime benefits based on your life expectancy.
Annuity Calculator
Calculate annuity payments, present value, and total payout schedule. Works for ordinary annuities and annuities-due for mortgages, leases, and retirement income.
Annuity Payout Calculator
Calculate how long a lump sum will last with regular withdrawals. Find the monthly payout from a fixed balance and interest rate, or the depletion date of retirement savings.
CD Calculator
Calculate CD interest earned, final balance, and Annual Percentage Yield (APY). Compare CD rates across terms and compounding frequencies to maximize savings.
Bond Calculator
Calculate bond price, current yield, yield to maturity (YTM), and Macaulay duration. Understand the relationship between bond prices and interest rates.
Mutual Fund Calculator
Calculate mutual fund returns accounting for expense ratios, front-end loads, and monthly contributions. Compare the true cost impact of fund fees on long-term wealth.
Present Value Calculator
Calculate the present value of a future lump sum or annuity stream. Understand what future money is worth today using discounted cash flow analysis.
Future Value Calculator
Calculate the future value of a lump sum investment or regular contributions over time. Project wealth accumulation with different rates of return and time horizons.
College Cost Calculator
Calculate future college costs adjusted for tuition inflation, project 529 plan growth, and find the monthly savings needed to fund your child's education.
Debt Consolidation Calculator
Compare your current debt payments against a consolidation loan. See if consolidating credit cards, personal loans, or other debts saves interest and simplifies payments.
Loan Repayment Calculator
Enter your desired monthly payment to find exactly when your loan will be paid off and total interest paid. Works for any loan type with custom repayment amounts.
APR Calculator
Calculate the true APR of any loan including origination fees and costs. Compare loan offers accurately — APR reveals the real cost that interest rate alone hides.
Lease Calculator
Calculate monthly lease payments, total lease cost, and effective interest rate. Works for car leases, equipment leases, and any closed-end lease using money factor pricing.
Auto Lease Calculator
Calculate your monthly car lease payment from MSRP, negotiated price, residual value, and money factor. Compare leasing vs buying the same vehicle.
Cash Back vs Low Interest
Compare a cash-back offer financed at standard rates against a low-interest dealer loan. Find which car deal saves more money over the full loan term.
Rental Property Calculator
Analyze rental property investment with cap rate, cash-on-cash return, NOI, DSCR, and gross rent multiplier. Evaluate any income property before buying.
Real Estate ROI Calculator
Calculate total real estate ROI including cash flow, equity build-up, and appreciation over your holding period. Model annualized returns for any investment property.
FHA Loan Calculator
Calculate FHA loan payments including upfront and annual mortgage insurance premiums (MIP). Compare FHA vs conventional loans with PMI for first-time homebuyers.
VA Mortgage Calculator
Calculate VA loan payments including the VA funding fee. VA loans require no down payment and no PMI — see how much veterans and service members can save.
Home Equity Loan Calculator
Calculate how much you can borrow with a home equity loan, monthly payments, and total interest cost. Uses your home value and current mortgage to find available equity.
HELOC Calculator
Calculate HELOC credit limit, interest-only draw phase payments, and repayment phase monthly payment. Understand the full cost of a home equity line of credit.
Mortgage Amortization Calculator
Generate a complete month-by-month mortgage amortization schedule showing interest, principal, and balance for every payment. See yearly totals and when you reach key milestones.
GDP Calculator
Calculate GDP using the expenditure approach: GDP = C + I + G + (X-M). Break down consumption, investment, government spending, exports, and imports.
UK Income Tax
Calculate UK take-home pay after income tax and National Insurance for 2025-26. Covers all tax bands, Scottish rates, NIC, student loans and pension. Free PAYE calculator.
Australian Income Tax
Calculate Australian income tax for 2025-26. Includes Medicare levy, Low Income Tax Offset, superannuation and HECS-HELP repayments. Accurate ATO take-home pay calculator.
Canadian Income Tax
Calculate Canadian income tax for 2025. Covers federal and provincial rates for all 10 provinces, CPP, EI deductions and RRSP impact. Free Canada take-home pay calculator.
NZ Income Tax
Calculate New Zealand PAYE income tax, ACC Earner Levy and KiwiSaver contributions for 2025. Shows take-home pay per month and week. Free NZ tax calculator.
UK Stamp Duty (SDLT)
Calculate UK Stamp Duty Land Tax (SDLT) for 2025. Covers first-time buyers, home movers, second homes and non-residents. Includes all surcharges and band breakdowns.
AU Stamp Duty
Calculate Australian stamp duty for all 8 states and territories in 2025. Covers NSW, VIC, QLD, WA, SA, TAS, ACT and NT. Includes first home buyer concessions and foreign purchaser surcharges.
GST / VAT Calculator
Add or remove GST and VAT instantly. Covers Australia (10%), New Zealand (15%), UK VAT (20%), Canada GST and all EU countries. Free online GST VAT calculator with reverse mode.
Overtime Calculator
Calculate overtime pay for any hourly rate. Covers US time and a half (1.5×), double time (2×) and Australian penalty rates (2.5×). Shows weekly pay breakdown. Free overtime calculator.
Pay Raise Calculator
Calculate your new salary after a percentage pay raise. Shows annual, monthly, weekly and hourly increase. Compare before and after salary side by side. Free salary increase calculator.
House Affordability
Calculate how much house you can afford based on income, debts and deposit. Uses the 28/36 rule and lender stress test. Free home affordability calculator for US, UK, AU, CA.
Rent vs Buy
Compare renting vs buying over 5, 10, 15 or 20 years. Includes capital growth, stamp duty, opportunity cost and maintenance. Free rent vs buy calculator for AU, UK, US, NZ.
Rental Yield
Calculate gross and net rental yield for any investment property. Includes management fees, vacancy, maintenance, insurance and council rates. Free property yield calculator.
LTV Calculator
Calculate your loan to value (LTV) ratio instantly. See if you need LMI or PMI, what rate band you qualify for, and how much equity you have. Free LTV calculator for AU, US, UK, CA.
Down Payment Calculator
Calculate your required home deposit, compare 5%, 10% and 20% scenarios, see LMI costs and build a savings timeline. Free down payment calculator for AU, US, UK, CA, NZ.
US Student Loan
Calculate US federal student loan payments across Standard, Graduated, SAVE/IDR and PSLF plans. Shows total cost, forgiveness amounts and 24-month amortisation. Free calculator.
UK Student Loan
Calculate UK student loan monthly repayments for Plan 1, 2 and 5. Shows whether your loan will be repaid or written off, total amount repaid and 30-year projection. Updated Apr 2025.
Tip Calculator
Calculate tip amount and split any restaurant bill among 2-30 people. Choose tip percentage, see rounded per-person amounts. Includes tipping guide for US, AU, UK, CA. Free tool.
Freelance Rate Calculator
Calculate your freelance day rate or hourly rate based on target income, tax, overhead and billable days. Shows vacancy-adjusted rate and market comparisons. Free rate calculator.
Break-Even Calculator
Calculate your business break-even point in units and revenue. Enter fixed costs, variable costs and selling price. Includes contribution margin, margin of safety and scenario table.
Profit Margin Calculator
Calculate gross, operating and net profit margin from your income statement. Includes markup vs margin, cost-plus pricing and industry benchmark comparisons. Free business calculator.
Currency Converter
Convert between 20 major currencies including USD, GBP, AUD, EUR, CAD, NZD and more. Shows mid-market rate, inverse rate and common amounts table. Free online currency converter.
About Our Financial Calculators
CalcProTool's financial calculators are designed for users in the USA, UK, Canada, Australia, and Europe. Every calculator uses verified formulas, updates in real time, and requires no registration. All 87 tools in this category are completely free.
Each calculator page includes a full explanation of the formula used, step-by-step guidance, and answers to frequently asked questions. Our tools are designed to help you make informed decisions with confidence.