Free EV Calculators & Tools
Electric vehicle tools for battery health, range, charging tariffs, tax and ownership. Your numbers, visible assumptions, useful answers.
Battery Health Estimator
Turn your range and consumption into an estimated usable-capacity band. See what the numbers can—and cannot—tell you.
Battery Degradation
Compare current usable capacity with the original capacity, and calculate historical average loss.
Real-World Range
Plan your driving range around usable energy, realistic consumption and an arrival reserve.
Winter Range
Compare normal-weather range with a transparent cold-weather scenario.
Charging Cost
Calculate a full charge or a partial top-up, cost per mile or kilometre, and your monthly energy budget using your own electricity tariff.
Charging Time
Estimate AC or DC charging time, compare charger limits and check how much charge fits into an overnight AC window.
Battery Replacement Cost
Break down a real replacement quote. No invented battery prices or automatic market valuations.
True Cost of Ownership
See the economic cost of an EV, including depreciation and financing interest without double-counting the purchase price.
EV vs Gas / Petrol
Compare purchase outlay and running costs across three years, five years and your ownership period.
Used EV Analyzer
Bring the battery, range, charging, warranty and running costs together before you speak to the seller.
Home vs Public Charging Cost
Compare monthly charging costs, public charging subscriptions and home charger payback using your own prices.
EV Efficiency Converter
Convert six electric-car consumption units without changing the measurement basis. Compare a dashboard, specification or energy record in the same units.
UK Electric Car Road Tax
Check dated VED rates, registration bands and the expensive car supplement. Unknown eligibility stays visible.
Turkey Electric Car Tax
Calculate ÖTV from documented motor power and taxable value. Keep VAT and annual MTV separate.
Electric Car Tax & Range Comparison
Compare two cars or before-and-after tax scenarios using your own tax amounts, battery evidence and electricity price.