EV charging calculators and tools

Free EV charging calculators and tools to plan charging, battery storage and mobile power. Size depot chargers and batteries, compare running costs, test a hub's payback and find the technology that fits.

Start with the selector Talk to us

Driver plugging a DC charging cable into a car at a rapid charger showing charging progress on its screen

Plan

Plan your charging

Find the technology that fits, size depot chargers and grid capacity, and compare running costs with diesel. Each tool updates as you type and lets you copy your results.

Charging hub under a solar canopy with high-power chargers, battery cabinets and electric cars charging

EV charging technology selector

Eight questions to find the technology that fits your site.

Row of electric vans plugged into post-mounted AC chargers at a depot

Depot charging calculator

How many chargers, what size, and how much grid capacity your depot needs.

Electric vans charging from wall-mounted chargers along a warehouse at a fleet depot

Electric van cost per mile calculator

Diesel against electric running costs, with your own charging mix.

Size and test

Size the system and test the business case

Size a battery buffer or mobile power for your site, and test whether a public charging hub pays back.

Three different fast chargers, each paired with a battery storage cabinet, in a car park

Battery-buffered EV charging calculator

The battery size and output to run fast chargers on a limited connection.

Public charging hub at dusk with cars charging at high-power chargers beside a busy café

EV charging hub payback calculator

Revenue, utilisation and payback for a public charging hub.

Trailer-mounted mobile BESS supplying power to cabins and lighting on a construction site

Mobile power calculator

Battery units and fuel savings against a diesel generator.

Want a second opinion on your results?

Send us what a tool told you and we will tell you plainly what it means for your site, and what to check next.