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E-bike tools & calculators

Three calculators built on real industry data — range estimation, vs-car savings, and legality. Use them, share them, deep-link them with prefilled values from any review. All sourced from public datasets (EPA, EIA, DfT, Ofgem, PeopleForBikes), updated 2026.

Range Calculator

How far will it go?

How far will your e-bike actually go? Predicts realistic range from battery, motor, weight, terrain, and assist level.

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Savings Calculator

Is it worth it?

Is an e-bike worth it vs your car? Calculates annual savings, payback period, and 5- + 10-year net for US, UK, and EU.

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Legality Checker

Is it legal?

Is your e-bike street-legal? Verdict for any US state, UK EAPC, or EU pedelec — license, helmet, and bike-path rules included.

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How we build these tools

Every calculator on this site runs on transparent, source-cited math — no black box. We start from a public dataset (EPA fuel-economy averages, Bosch e-MTB consumption tables, PeopleForBikes state-law tracker), publish the formula on the page, and run a "How it works" expandable section showing exactly which constants and ratios feed the result.

Numbers update from the source annually. Each tool's footer shows the "last updated" date so you can verify against current law / fuel prices / grid intensity.

Every result is reproducible by URL — share a tool with prefilled values by copying the page URL after you've entered your numbers. The query parameters are documented on each tool.

Read our full methodology →

Looking for the bikes?

All tools deep-link into our reviewed catalog — browse all e-bikes, buyer guides, or comparisons.