Free Tesla Tools
Calculators and checkers for Tesla owners and used Tesla buyers. No sign-up, no paywall — just answers.
Ownership
Charging, registration and lemon law — the running costs and rights of owning a Tesla.
Supercharger Cost Calculator
Estimate what Supercharging costs per session, per mile and per month for your Tesla — with peak and off-peak California rates, home charging and gas compared.
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California Registration Fee Calculator
Itemized estimate of your California Tesla registration: VLF, Transportation Improvement Fee, the $121 EV Road Improvement Fee, CHP and DMV fees.
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California Lemon Law Checker
Answer seven questions to see whether your Tesla meets California's lemon law presumption (18 months / 18,000 miles) and what to do next.
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Insurance
Estimate premiums and see whether Lemonade's FSD discount works for you.
Tesla Insurance Cost Estimator
Estimate monthly insurance for a Model 3, Model Y, Model S or Model X in your state and compare Tesla Insurance, Lemonade, State Farm and GEICO.
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Lemonade vs Tesla Insurance Calculator
See how much Lemonade's 50% FSD-mile discount could save you compared with your current Tesla insurance premium.
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Is Lemonade Right for Me? Quiz
A one-minute quiz that checks your state, hardware and driving habits to tell you whether Lemonade Car is worth a quote for your Tesla.
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FSD
Check transfer rules, hardware and whether the FSD subscription is worth it.
FSD Transfer Checker
Check whether Full Self-Driving stays with a used Tesla, based on when FSD was bought and Tesla's current transfer rules.
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FSD Buy vs Subscribe Calculator
Compare the total cost of the $99/month FSD subscription with the old one-time purchase price over the years you plan to own the car.
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Hardware Version Checker
Find out whether a Tesla has HW3, HW4 or AI5 from its model and build date, and which FSD versions and insurance discounts it supports.
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