Car Loan Calculator
Monthly payment, total interest, and all-in cost from price, down payment, trade-in, APR, and term.
Open toolThe tools below work fully in your browser; nothing you type is stored or sent anywhere.
Free car tools & calculators
The short answer: every number a car decision turns on — the payment, the interest, the payoff date, the true cost per mile — is computable, so we built the calculators and gave them away. Fourteen tools, no signup, no charge, and each one shows its math and its limits in plain English. When you're done calculating, browse cars judged by the same all-in numbers.
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Loans & payments
Out-the-Door Price Calculator
The real total: price plus sales tax by your state's trade-in rule, plus title and doc fees, minus trade-in.
Open toolLoan Comparison Calculator
Two loan offers side by side — APR, term, and fees — scored by total cost, not just the monthly payment.
Open toolBiweekly Payment Calculator
Half a payment every two weeks: the interest saved and the earlier debt-free date, in dollars and months.
Open toolCar Affordability Calculator
What price range your income honestly supports, using the 15% rule — explained, not preached.
Open toolLease vs Buy Calculator
Side-by-side net cost over the lease term, counting equity, remaining balance, and end-of-lease fees.
Open toolLoan Payoff Calculator
See what extra monthly payments actually buy: interest saved and a debt-free date that moves closer.
Open toolRefinance Calculator
Current loan vs new loan: payment change, interest saved, and the month the refinance breaks even.
Open toolRunning costs
EV vs Gas Cost Calculator
Fuel vs electricity per year and over five years, with maintenance and the EV price premium counted.
Open toolFuel Cost Calculator
What a trip costs in fuel, and what your driving adds up to per year and per month.
Open toolCost Per Mile Calculator
Fuel, insurance, maintenance, and depreciation combined into the one number that tells the truth.
Open toolInsurance Cost Estimator
A labeled ballpark range from coverage, age band, vehicle type, and record — never dressed up as a quote.
Open toolRoad Trip Cost Calculator
Fuel, tolls, and parking into a full driving budget — total, per mile, and split per person.
Open toolValue & the car itself
Trade-In Value Estimator
A depreciation-model ballpark for your current car, with wide honest ranges and its limits stated.
Open toolDepreciation Calculator
Year-by-year value curve for any car at slow, average, or fast depreciation rates.
Open toolVIN Decoder
Decode any VIN live with NHTSA's official data, and see what every section of the VIN means — including the check digit, verified mathematically.
Open toolTire Size Calculator
Diameter, circumference, and revs per mile from a sidewall size, with a two-size comparison and speedometer error.
Open toolFrequently asked questions
Are WhipLister's tools really free?
Yes. Every calculator on this page is free, needs no account, and runs entirely in your browser — the numbers you type are not stored or sent anywhere. WhipLister earns money from clearly labeled advertising and partner offers, never from charging for tools.
How accurate are these calculators?
The loan tools use the standard amortization formula lenders use, so payment math is exact for the inputs given. Estimators (trade-in value, insurance, depreciation) are models built on typical patterns — they give honest ballparks with their assumptions shown, and each one says plainly where its limits are. A lender's quote or an insurer's quote on a specific car always outranks an estimate.
Why does each tool show an offer under the result?
Because that's the moment the offer is actually useful: a pre-approval next to a loan payment, a history report next to a VIN. Offers are labeled, sit below the result, and never change the math. You can ignore every one of them and the tools work exactly the same.
Want the thinking behind the numbers? Start with the guide to car loans & total cost, or go straight to browsing cars with your budget set.