Finance Calculators
A complete directory of 71+ free finance calculators covering mortgages, loans, investments, retirement, taxes, business finance and everyday personal money decisions. Use these tools to plan payments, compare options and make smarter financial choices.
Mortgage & Real Estate
Mortgage Calculator
Estimate monthly home loan payments including principal, interest, taxes and insurance.
House Affordability Calculator
Work out how much house you can realistically afford based on income and debts.
Mortgage Payoff Calculator
See how extra payments shorten your loan term and reduce total interest.
Refinance Calculator
Compare your current mortgage with a refinance option to check break-even and savings.
Rent vs. Buy Calculator
Compare the long-term cost of renting versus buying a home.
Rental Property Calculator
Analyze cash flow, cap rate and ROI on an investment property.
FHA Loan Calculator
Estimate payments and mortgage insurance for FHA-backed home loans.
VA Mortgage Calculator
Calculate payments for VA loans including the funding fee.
Down Payment Calculator
Plan how long it takes to save the down payment you need.
Rent Calculator
Estimate the rent you can comfortably afford from your monthly income.
Auto & Vehicle
Auto Loan Calculator
Calculate monthly car payments, total interest and payoff schedule.
Auto Lease Calculator
Estimate monthly lease payments and total lease cost.
Cash Back or Low Interest Calculator
Choose between a manufacturer rebate and low-interest financing.
Auto Loan Early Payoff Calculator
See interest saved by paying off your car loan ahead of schedule.
Investment & Retirement
Investment Calculator
Project future value based on contributions, rate of return and time horizon.
Compound Interest Calculator
Model how compounding grows your money over time.
Retirement Calculator
Estimate the savings needed to retire comfortably and how long they'll last.
401(k) Calculator
Project the future value of your 401(k) with employer match.
Roth IRA Calculator
Estimate tax-free retirement savings inside a Roth IRA.
IRA Calculator
Project traditional IRA growth and estimated withdrawals.
Annuity Calculator
Estimate payouts from a fixed or growing annuity.
Annuity Payout Calculator
Work out the periodic income an annuity balance can produce.
Social Security Calculator
Estimate expected Social Security retirement benefits.
Pension Calculator
Compare lump-sum versus monthly pension payout options.
Bond Calculator
Compute yield, price and coupon values for fixed-income bonds.
Present Value Calculator
Find today's value of a future amount or income stream.
Future Value Calculator
Project the future value of a current amount or series of deposits.
CAGR Calculator
Calculate the compound annual growth rate of an investment.
ROI Calculator
Measure return on investment as a simple percentage.
Average Return Calculator
Compute the average annual return over multiple periods.
Loan & Debt
Loan Calculator
General-purpose calculator for amortized loan payments and totals.
Payment Calculator
Determine a monthly payment from a loan amount, term and rate.
Personal Loan Calculator
Estimate payments and interest for an unsecured personal loan.
Amortization Calculator
Generate a full payment schedule showing principal and interest over time.
Debt Payoff Calculator
Plan payoff dates for multiple debts using snowball or avalanche methods.
Debt Consolidation Calculator
See if consolidating debts into one loan saves interest.
Credit Card Calculator
Estimate how long it takes to clear a credit card balance.
Credit Cards Payoff Calculator
Plan a strategy to pay off several credit card balances faster.
Student Loan Calculator
Estimate monthly payments and payoff time for student loans.
College Cost Calculator
Project total college costs and required monthly savings.
Repayment Calculator
Work out repayment options for various loan structures.
Interest & Savings
Interest Calculator
Calculate simple or compound interest earned over a period.
Savings Calculator
Project savings growth from regular deposits and interest.
Simple Interest Calculator
Compute interest on a principal using the simple interest formula.
CD Calculator
Estimate the maturity value of a certificate of deposit.
Interest Rate Calculator
Solve for the interest rate given payment, term and balance.
APR Calculator
Determine the true annual percentage rate of a loan including fees.
APY Calculator
Convert nominal rates to annual percentage yield with compounding.
Tax & Salary
Income Tax Calculator
Estimate federal income tax owed for the current tax year.
Salary Calculator
Convert between hourly, weekly, monthly and annual pay.
Sales Tax Calculator
Add or remove sales tax from a price at any rate.
Estate Tax Calculator
Estimate potential federal estate tax on a taxable estate.
Take-Home-Paycheck Calculator
Estimate net pay after taxes and common deductions.
Marriage Tax Calculator
Compare tax liability for filing jointly versus separately.
Business & Financial Analysis
Business Loan Calculator
Estimate payments and financing cost for a business loan.
Payback Period Calculator
Find the time needed for an investment to recover its initial cost.
Present Value of Growing Annuity Calculator
Value a stream of payments that grow at a fixed rate.
NPV Calculator
Compute net present value of a series of cash flows.
IRR Calculator
Find the internal rate of return that zeroes out a cash-flow NPV.
Discount Calculator
Calculate sale price and savings from a percentage discount.
Margin Calculator
Determine selling price, cost or profit margin for a product.
Commission Calculator
Compute commission amount from a sale value and commission rate.
Depreciation Calculator
Estimate asset depreciation using straight-line or declining methods.
Inflation Calculator
Adjust an amount of money for inflation between two years.
Financial Calculator (TVM Solver)
Solve for any variable in the time-value-of-money equation — N, I/Y, PV, PMT or FV.
Currency Calculator
Convert between world currencies at current exchange rates.
Personal Finance & Budget
Budget Calculator
Plan a monthly budget across income, fixed costs and discretionary spending.
Tip Calculator
Split a bill and calculate tip per person for any group size.
Fuel Cost Calculator
Estimate the fuel cost of a trip from distance, mileage and price.
Gas Mileage Calculator
Calculate a vehicle's miles-per-gallon from distance and fuel used.
Real Estate Calculator
Analyze the return, cash flow and cost basis of a property deal.
How to choose the right finance calculator
Start with the question you're trying to answer. Buying a home? Try the Mortgage or House Affordability calculator. Paying off debt? The Debt Payoff and Credit Card calculators show which strategy saves the most interest. Planning long-term? Retirement, 401(k) and Compound Interest calculators project decades of growth in seconds.