Automotive Calculators
Car calculators for fuel cost, gas mileage, lease payments, depreciation and total ownership cost.
55 calculators
Balloon Auto Loan Calculator — Low Monthly Car Payment
Free balloon auto loan calculator: estimate your low monthly car payment and the large lump-sum balloon balance due at the end of the term.
Boat Loan Calculator: Monthly Payment Estimator
Free boat loan calculator estimates your monthly payment from boat price, down payment, APR and term. See total interest and true cost of ownership.
Brake Pad Replacement Cost Calculator (Pads, Rotors & Labor)
Free brake pad replacement cost estimator: total pads, rotors and labor for front and rear axles, plus tax. Know a fair price before the shop quotes you.
Brake Repair Calculator — Pads, Rotors & Caliper Cost
Free brake repair cost estimate: pad replacement per axle, rotor resurface vs replace, caliper rebuild, OEM vs aftermarket parts, tax and total shop bill.
Brake Replacement Cost — Pads, Rotors, Labor & Tax
Brake replacement cost estimate: add pad and rotor parts, labor hours at your rate, and sales tax to see a realistic one- or two-axle brake job total.
Cabin Air Filter Replacement Cost Calculator
Free cabin air filter cost calculator: compare DIY filter price vs shop service, estimate your annual replacement cost, and see the HEPA upgrade premium.
Car Affordability Calculator: What Car Can I Afford?
Car affordability calculator turns your monthly income into the car price you can afford: 15% payment budget, 60-mo loan at 6.9%, $5k down, plus tax.
Car Battery Replacement Cost Calculator (Parts & Labor)
Free car battery replacement cost estimator: add battery price, core charge, labor and disposal fee to see your total plus tax. Know a fair price.
Car Depreciation Calculator — Resale Value by Year
Car depreciation calculator: estimate resale value by year on the standard 20%/15%/10% used-car curve. See total value lost after 1, 3 and 5 years.
Car Down Payment Calculator: How Much to Put Down
Free car down payment calculator: see the recommended 20% new / 10% used down payment, your loan amount, monthly payment and interest saved.
Car Insurance Calculator — Annual & Monthly Premium
Free car insurance calculator: estimate your annual auto premium and monthly cost from driver age, vehicle value, coverage tier and at-fault accidents.
Car Insurance Comparison Calculator: Premium vs Deductible
Compare two car insurance quotes side by side: annual savings, the break-even claim frequency, and which premium-deductible combo really wins for you.
Car Insurance Savings Calculator — Annual & 5-Year Savings
Car insurance savings calculator: compare your current premium to a new quote, add safe-driver and multi-car discounts, and see annual and 5-year savings.
Lease vs Buy Calculator: True Net Cost Comparison
Compare leasing vs buying a car over 3 years. See true net cost with equity, remaining loan balance and depreciation, and which saves more money.
Car Loan Payoff Calculator — Extra Payment Savings
Car loan payoff calculator: add an extra monthly payment to see months saved and interest saved on your auto loan. Fast, free amortization estimate.
Car Maintenance Cost Calculator: Annual & 10-Year Estimate
Free car maintenance cost estimator: roll up oil changes, tires, brakes and extra service into your annual and 10-year car maintenance budget.
Car Refinance Calculator — Monthly Savings & Net Benefit
Free car refinance calculator: compare your current auto payment to a refi rate, see monthly savings, interest saved, break-even month and net benefit.
Car Repair Cost Estimator — Parts, Labor & Tax
Free car repair cost estimator: add parts, shop labor rate and hours, plus sales tax, diagnostic and shop-supply fees to see your total bill.
Car Sales Tax Calculator: Estimate Tax & OTD Price
Free car sales tax calculator: enter price, trade-in, doc fee and state rate to see the taxable amount, tax owed and full out-the-door price.
Car Tag Fee Calculator — DMV Tag Cost Estimator
Estimate your first-year car tag and vehicle registration cost: one-time registration fee, annual ad valorem tax, title fee and license plate fee.
Car Wash Cost Calculator — Monthly vs Annual
Free car wash cost calculator: estimate monthly and annual spend on professional washes, compare DIY washing, and see unlimited-club savings.
Catalytic Converter Cost Calculator — Repair & Theft
Estimate catalytic converter replacement cost: OEM vs universal fit, labor, EPA 8yr/80k warranty check, and theft insurance out-of-pocket.
Certified Pre-Owned Calculator: Is CPO Worth It?
Free CPO calculator: compare a certified pre-owned car vs a used car plus extended warranty. See the net premium, payback time and if CPO is worth it.
Coolant Flush Cost Calculator (Parts & Labor)
Free coolant flush cost estimator: adds coolant price, system capacity, flush labor and sales tax. Know a fair price before the shop quotes you.
Car Depreciation Calculator — Value Loss Over Time
Car depreciation calculator: estimate resale value, annual loss and total depreciation over ownership using straight-line or declining-balance methods.
Car Detailing Cost Calculator — DIY vs Pro Breakdown
Compare DIY car detailing supplies and your hourly rate against pro wash, wax, interior shampoo, paint sealant, and ceramic coating costs.
DMV Fee Calculator: Sales Tax, Registration & Title Costs
Free DMV fee calculator: estimate car sales tax, registration, title and doc fees and your full out-the-door price before you buy.
EV Charging Cost Calculator — Home vs Public kWh Bill
EV charging cost calculator: estimate monthly and annual home vs public charging cost per kWh, plus cost per mile for your electric car.
EV Cost Calculator — Total Cost of Ownership
Estimate the true total cost of owning an EV: purchase price after tax credit, registration, insurance and maintenance across 5 and 10 years.
EV Cost Per Mile Calculator — Energy & Depreciation
Estimate the real cost per mile of driving an electric car: energy, maintenance and depreciation per mile, plus a side-by-side gas car comparison.
EV Rebate Calculator: Federal, State & Utility Savings
Free EV rebate calculator: stack the $7,500 federal credit with state (CA, NY, CO), local and utility incentives to see your effective EV price.
EV Tax Credit Calculator — New Clean Vehicle $7,500 Check
Check your federal EV tax credit up to $7,500, then stack state, local and utility rebates to see your effective out-the-door price after incentives.
EV vs Gas Calculator — Compare 5-Year Cost of Ownership
Free EV vs gas calculator: compare annual fuel/charging cost and 5-year total cost of ownership. See when an electric car pays back its price premium.
Fuel Cost Calculator — Trip Gas Cost by Miles, MPG & Price
Free fuel cost calculator: estimate trip gallons and dollars from miles, car MPG, and price per gallon, with per-passenger cost split.
Fuel Efficiency Calculator — MPG & Cost Per Mile
Free fuel efficiency calculator: turn miles driven and gallons pumped into real MPG, cost per mile, and your projected annual fuel cost.
Fuel Efficiency Converter — MPG to L/100km & More
Convert fuel economy instantly between US MPG, UK MPG, L/100km and km per liter. Works for cars, hybrids, EVs and imported vehicles.
Gas Mileage Calculator — MPG, Cost per Mile & Fuel Cost
Free gas mileage calculator: find your car's real MPG, fuel cost per mile, trip fuel cost, and estimated annual fuel expense at 15,000 miles.
Gas vs Electric Car Calculator — 5-Year Cost Comparison
Free gas vs electric car calculator: compare 5-year fuel/charging and maintenance costs, see total savings and EV price-premium payback years.
Headlight Restoration Cost — DIY vs Pro vs Replace
Compare DIY headlight kit, professional restoration, and new lens replacement cost per pair, per lens, and per year of UV sealant protection.
Hybrid MPG Calculator — Combined MPG & Fuel Savings
Free hybrid MPG calculator: combine city and highway mpg with EPA weighting, estimate annual fuel cost, and compare yearly savings against a gas-only car.
Car Lease Calculator: Monthly Payment Estimator
Free car lease calculator estimates your monthly payment from price, residual, money factor and tax. See depreciation, rent charge and total lease cost.
Miles Per kWh Calculator — EV Efficiency & Charging Cost
Calculate real miles per kWh from your EV charging logs, then convert it to cost per mile and annual charging cost at your electricity rate.
MPG Calculator — Miles per Gallon from Fill-Ups
Free MPG calculator: compute miles per gallon from your last fill-up, see fuel cost per mile, and convert US MPG to L/100km instantly.
MPG to L/100km Converter — US MPG to Litres per 100 km
Convert US miles per gallon to liters per 100 km instantly. See annual fuel use, liters burned per year, and yearly fuel cost at your local pump price.
New vs Used Car Calculator — 5-Year Cost Comparison
Compare 5-year total cost of ownership of a new vs used car. See depreciation, insurance, and the real dollar savings of buying used.
Oil Change Calculator — Next Service Date & Annual Cost
Free oil change calculator: find your next oil-change mileage and date, annual service cost, and conventional vs synthetic savings per year.
Oil Change Cost Calculator: Shop vs DIY, Annual & 10-Year
Free oil change cost estimator: compare conventional, synthetic and luxury shop prices vs DIY supplies, then project your annual and 10-year oil budget.
Vehicle Registration Renewal Fee Calculator
Estimate DMV vehicle registration renewal costs: add sales tax, registration, title, plate and doc fees, plus any late penalty, in one total.
Smog Check Calculator — Cost by State & Retest
Free smog check cost estimator: station fee, state certificate fee, inspection tax and retest charges. See averages for CA, TX, NY and your state.
Spark Plug Calculator — Replacement Cost & Interval
Free spark plug replacement cost estimator: parts plus labor for copper, platinum, and iridium plugs, plus the recommended change interval in miles.
Timing Belt Replacement Cost Calculator
Free timing belt replacement cost calculator: estimate parts, labor and water pump, see miles left until service and interference-engine risk.
Tire Size Calculator — Speedo Error & Fit Comparison
Free tire size calculator: compare OEM vs new tire diameter, sidewall height, circumference and speedometer error after a wheel or tire swap.
Title Transfer Fee Calculator — DMV Cost Estimator
Estimate car title transfer cost: state title fee, use tax on purchase price, lien recording, duplicate title, rush service, and out-of-state fees.
Total Car Cost Calculator: True Cost to Own
Total car cost calculator: add sticker price, tax, fees, insurance, maintenance and fuel, then subtract resale value to see net cost.
Total Cost of Ownership Calculator — 5-Year Car TCO
Estimate a car's 5-year total cost of ownership: purchase price plus fuel, insurance, maintenance and repairs minus resale value, plus cost per mile.