Mortgage, loan, debt and 2026 income-tax calculators — instant, private, and client-side. Plus plain-English guides that explain the math.
Browse all calculators →Payment, refinance, recast, affordability and payoff tools for home loans.
6 toolsAuto, personal and credit-card math — plus amortization and DTI.
2 toolsEstimate your 2026 federal income tax and grow savings with compound interest.
Estimate your monthly mortgage payment (principal, interest, taxes, insurance and PMI) and total interest over the life of the loan.
CalculatorEstimate your 2026 US federal income tax, FICA (Social Security and Medicare) and effective tax rate using the official IRS brackets and standard deduction.
CalculatorCalculate your monthly car payment including sales tax, trade-in and down payment, plus total interest over the loan.
CalculatorProject how savings or investments grow over time with compound interest and regular contributions.
CalculatorFind out how long it takes to pay off a credit card and how much interest you'll pay, or the payment needed to be debt-free by a target date.
CalculatorCompare your current mortgage with a new loan, see your monthly savings, and find the break-even month where the refinance pays for its closing costs.
A recast lets you make a lump-sum payment and lower your monthly mortgage — without refinancing. Here's how it works, what it costs, and when it makes sense.
Both put more money toward your mortgage, but a recast lowers your payment while a refinance changes your rate. Here's how to decide.
Refinancing can lower your payment — but only if you stay past the break-even point. Here's how to run the numbers.
Amortization is why your early mortgage payments are almost all interest. Here's the formula and what it means for paying off a loan.