Financial Calculators
37 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.
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 37 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.