THE TOOLBOX
Finance tools
15 free tools for finance. Run these tools in your browser without an account.
- Mortgage calculatorEstimate a fixed-rate mortgage payment and the housing costs you enter.
- Loan calculatorCalculate fixed monthly loan payments, interest and a payment schedule.
- Auto loan calculatorInclude vehicle price, trade-in, entered tax and financed fees in a car-loan estimate.
- Simple interest calculatorCalculate noncompounding interest from principal, rate and decimal years.
- Payment payoff calculatorFind how many monthly payments are needed to repay a fixed-rate balance.
- Retirement scenario calculatorExplore a retirement balance under explicit contribution, return and inflation assumptions.
- Amortization calculatorSee monthly principal, interest and balance, including extra payments.
- Investment growth calculatorProject contributions and hypothetical growth with monthly compounding.
- Inflation assumption calculatorCompare future cost and purchasing power under a constant inflation assumption.
- Present & future value calculatorSolve a monthly contribution scenario for future value or the initial balance needed.
- U.S. federal income tax calculator · 2026Estimate 2026 U.S. federal ordinary-income bracket tax from taxable income.
- Compound interest calculatorCompare compound interest with your starting balance and chosen compounding frequency.
- Gross salary converterConvert gross annual, monthly, weekly and hourly pay under explicit work assumptions.
- Implied loan interest-rate calculatorSolve the nominal interest rate implied by fixed monthly loan payments.
- Sales tax calculatorAdd a user-entered sales-tax rate or separate tax from an inclusive total.