Automotive Tools
Make smarter car decisions with data-driven calculators for buying, owning, and going electric.
Popular Tools
Quick Start Guides
— Choose your goalBuying a Car
Affordability, financing, and true monthly cost.
Manage Your Loan
Payoff faster or refinance to save.
Go Electric
Charging costs and EV vs gas savings.
All Tools by Category
Browse our complete collection of automotive calculators
Buying & Financing9 tools
Car Price Negotiation Tool
Analyze dealer offers and get negotiation scripts to save thousands.
Best for: Getting a deal
Car Affordability Calculator
Find out how much car you can really afford based on your income and expenses.
Best for: Budget fit
Car Loan Calculator
Calculate monthly payments with trade-in and tax.
Best for: Monthly payment
Rebate vs Low Interest
Should you take the cash rebate or the 0% financing offer?
Best for: Incentive choice
RV Loan Calculator
Calculate payments for RVs and motorhomes, including balloon options.
Best for: RV buying
Monthly Car Cost Breakdown
See the true monthly cost of car ownership including hidden expenses.
Best for: All-in cost
Used vs New Car Comparison
Compare total cost of buying new versus used over your ownership period.
Best for: New vs used
Lease vs Buy Calculator
Compare total cost of leasing versus buying based on your driving habits.
Best for: Lease vs own
Buy vs Lease Calculator
Compare total ownership cost for buying versus leasing a vehicle.
Best for: Buy vs lease decision
Ownership Decisions12 tools
Repair vs Replace Calculator
Should you fix your car or buy a new one? Get a data-driven answer.
Best for: Repair decision
Fuel Efficiency Upgrade
Calculate if gas savings will cover the cost of upgrading to a hybrid or efficient car.
Best for: Upgrade decision
Auto Loan Payoff
See how much interest you save by making extra payments.
Best for: Debt freedom
Auto Refinance Calculator
Calculate monthly and lifetime savings from refinancing your auto loan.
Best for: Lowering payments
Auto Loan Refinance Calculator
Estimate payment reduction and lifetime interest savings from refinancing.
Best for: Auto refinance savings
Keep vs Sell Analyzer
Find the optimal time to sell your car and maximize value.
Best for: Timing the sale
Total Cost of Ownership
Reveal the true cost of owning a car.
Best for: Full ownership cost
Car TCO by Brand
Compare ownership cost assumptions across vehicle brands.
Best for: Brand-level ownership comparison
5-Year vs 10-Year TCO
Compare long-term ownership cost over two hold periods.
Best for: Ownership horizon planning
Car Depreciation
Estimate value loss over time.
Best for: Value loss
Fuel Cost Calculator
Estimate annual fuel spend.
Best for: Fuel spend
Ownership Break-Even Calculator
Find when car ownership beats rideshare, leasing, or renting.
Best for: Own vs alternatives
Electric Vehicles5 tools
EV Charging Cost Calculator
Calculate home and public charging costs for your electric vehicle.
Best for: Charging costs
Vehicle Choice Assistant
See how much you save by switching to electric.
Best for: EV vs gas
Car vs EV by Mileage
Find annual mileage break-even between EV and gas ownership.
Best for: Mileage break-even
Horsepower to kW Calculator
Convert engine power units between horsepower and kilowatts.
Best for: Power unit conversion
Newton to lbf Calculator
Convert force units between Newton and pound-force.
Best for: Force unit conversion
Popular TCO Paths
Compare ownership cost views with these high-intent routes: total cost of ownership calculator, auto total cost of ownership, 5-year total cost of ownership, and car depreciation graph calculator.
This tool is for illustrative purposes only and does not constitute professional financial, tax, or legal advice. Calculations are estimates and may not reflect real-world variables or local regulations. Always consult with a qualified professional before making financial decisions.