United States financial calculators,
with local costs and dated rates you can edit.
Eight tools for federal tax, housing, borrowing, retirement, saving and purchases. Federal rules use current official sources, while market and local inputs stay adjustable.
United States tools
Federal Income Tax Calculator 2026
Estimate 2026 United States federal income tax, Social Security, Medicare and annual take-home pay for common filing statuses.
US Mortgage Calculator
Estimate principal and interest, property tax, homeowners insurance, mortgage insurance, HOA dues and the effect of extra mortgage payments.
Auto Loan Calculator
Estimate a United States auto-loan payment using vehicle price, down payment, trade-in credit, local taxable amount, sales tax, financed fees and a contract interest rate.
Personal Loan Calculator
Estimate United States personal-loan payments, interest, origination-fee treatment and the effect of monthly extra payments.
Credit Card Payoff Calculator
Estimate how long a United States credit-card balance takes to repay with a fixed monthly payment, including optional new charges.
401(k) Calculator 2026
Estimate employee 401(k) contributions, employer match, per-paycheck amounts and remaining 2026 IRS deferral room.
Compound Interest Calculator
Model United States savings growth from a starting balance, monthly contributions, an editable annual rate and inflation assumption.
US Sales Tax Calculator
Add sales tax to a pre-tax price or extract tax from a total using an editable combined United States state and local rate.
Everyday money decisions
Estimate federal tax, total housing payments, loans, card payoff, retirement contributions, savings and sales tax.
Local inputs stay editable
Property costs, sales-tax bases, contract interest rates and state/local tax amounts can be replaced with the figures for the transaction.
Rules and dates are visible
IRS limits, formulas, reference dates and source links appear with each estimate. Read the full methodology