Financial Calculators
Free financial calculators mortgage, loan, and income tax estimators, instantly in your browser.
Mortgage Calculator
Estimate your monthly mortgage payment.
Loan Calculator
Estimate your monthly payment on any loan.
Tax Calculator
Estimate your federal income tax and take-home pay.
Salary Calculator
Convert your pay between hourly, weekly, monthly, and annual amounts.
Tip Calculator
Calculate the tip, total bill, and amount per person instantly.
Compound Interest Calculator
See how your savings or investments could grow over time.
Paycheck Calculator
Estimate your take-home pay per paycheck after tax and FICA.
Car Payment Calculator
Estimate your monthly auto loan payment including tax, trade-in, and down payment.
Retirement Calculator
Project your retirement savings based on your current savings and contributions.
Net Worth Calculator
Add up your assets and liabilities to find your net worth.
Inflation Calculator
See what money from any past year is worth today, based on real U.S. CPI data.
Sales Tax Calculator
Find the total price with tax, or back out the pre-tax price from a total.
Concrete Calculator
Find how much concrete you need for a slab, footing, or column, in yards, feet, and bags.
Amortization Calculator
See your monthly payment and the full principal-vs-interest breakdown over the life of your loan.
MPG Calculator
Calculate your car's miles per gallon and cost per mile.
Gas Cost Calculator
Estimate how much gas will cost for any trip, based on distance, MPG, and price per gallon.
Unit Price Calculator
Compare two products by price per unit to find out which one is the better deal.
Electricity Cost Calculator
Find out how much it costs to run an appliance, per day, month, and year.
Choosing and using financial calculators
These calculators are planning aids for comparing payments, costs, savings, taxes, and tradeoffs. They show the assumptions used and break major totals into understandable parts. Results are estimates because lender fees, tax rules, insurance, rates, credit profiles, and local requirements can change the final amount.
Tips for reliable results
Run more than one scenario and focus on total cost as well as the monthly number. A longer loan may look affordable each month while costing substantially more in interest. Before signing an agreement or filing a return, verify current figures with the lender, tax authority, plan administrator, or a qualified financial professional.
Choose a tool above to see its inputs, method, privacy notes, examples, limitations, and answers to common questions. Related tools are linked on every page so you can continue a task without returning to search.