Free Calculators
Interactive tools built for the UK market
Charging Cost Calculator
Calculate your real annual Tesla charging costs at home vs Supercharger, and see how much you save vs petrol.
Home Charger Cost Calculator
Estimate your Tesla home charger installation cost, OZEV grant savings, and payback period.
Salary Sacrifice Calculator
See exactly how much you could save on a Tesla through your employer's salary sacrifice scheme.
Tesla Model Comparison UK 2026
Compare any two Tesla models side by side — range, price, specs, BIK tax and running costs.
Cold Weather Range Calculator
Find out your Tesla's real-world winter range in UK temperatures, with HVAC and driving style adjustments.
Charge Time Calculator
See how long it takes to charge your Tesla — compare 3-pin, 7kW home charger, DC rapid, and Supercharger V3 side by side.
Tesla Road Tax Calculator
Estimate 2026 EV road tax and the £440 Expensive Car Supplement using the new £50,000 threshold.
Used Tesla Warranty Checker
Check likely basic, battery and drive-unit warranty remaining from registration date and mileage.
EV Mileage Reimbursement
Calculate company or personal EV business mileage using current HMRC home and public charging rates.
Tesla Total Cost of Ownership
Compare a Tesla with a petrol car across depreciation, energy, tax, insurance, servicing and tyres.
Accurate UK figures, not US guesswork
Most Tesla cost calculators online use US electricity rates and dollar figures. Every number on this site is specific to the UK — Ofgem rates, HMRC BIK tables, OZEV grants, and Supercharger pricing from Tesla UK.
- All calculations use the Q4 2026 UK electricity rate (26.32p/kWh)
- Salary sacrifice figures use HMRC 2026/27 tax and BIK rates
- Supercharger costs based on current UK pricing
- Cold weather range data from real-world UK testing
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Latest Guides
In-depth UK-specific Tesla articles
Tesla Cybercab UK: Release Date, Price & Specs (2026)
The latest Tesla Cybercab UK status, including confirmed specifications, production progress, price and self-driving approval requirements.
Best EV Electricity Tariffs UK 2026: Octopus, British Gas, E.ON & More
Compare every UK EV tariff for April 2026 — Octopus (8p), British Gas (9p), E.ON (8p), ScottishPower (8.5p) and OVO. Real rates, real savings.
Tesla Referral Code UK 2026: Get 650 Miles Free Supercharging
Use a Tesla referral code when ordering and get 650 miles of free Supercharging. Here's how the UK referral programme works.
Order with referral code.
Get 650 miles free.
Use our referral link when ordering any new Model 3 or Model Y and receive 650 miles of complimentary Supercharging. Ordering an inventory car? Save £500 off the price. No extra cost, no catch.
Current reward
650 mi
free Supercharging
or £500 off inventory cars