How to read your result
On a full battery is how far the car would go from 100% to empty under the conditions you set. Nobody drives to 0%, so the second figure is the one to plan with: the distance between the level you start at and the level you want to arrive with. The default, 100% down to 10%, leaves a margin for a charger that is busy or broken.
The percentage under the big number is the share of the WLTP rating you can expect. Above 100% is normal in town on a warm day, because WLTP includes motorway sections and city driving recovers energy when braking. Below 70% is normal on a cold motorway. The rows under the result show each factor, so you can see whether the temperature or the speed is costing you more.
How the estimate works
Estimated range = WLTP range × road factor × temperature factor × speed factor (motorway only) × battery health. Each factor is a plain multiplier, and every one is printed under your result.
- Road. At 20 °C: city 115%, mixed 96%, motorway 82% of WLTP at 110 km/h. These are the same factors every car page on evstats.org shows, so the calculator and the car pages agree.
- Temperature. No loss from 20 to 24 °C. Below that the factor falls in a straight line to our cold anchors at −7 °C (city 70%, mixed 67%, motorway 58% of WLTP). Above 24 °C it falls to 83% of the mild figure at 35 °C, AAA's result for air conditioning in the heat (February 2019). Heating and air conditioning are included.
- Speed. Energy per km grows with a fixed part plus the square of speed. The fixed part is set so that 120 km/h uses 1.37 times the energy of 90 km/h, the median of Bjørn Nyland's paired motorway tests.
- Battery health. Range scales with the capacity left. Geotab's January 2026 fleet study puts the average loss at 2.3% a year.
| Road | −15 °C | −7 °C | 0 °C | 10 °C | 20 °C | 30 °C | 35 °C |
|---|---|---|---|---|---|---|---|
| City | 57% | 70% | 82% | 98% | 115% | 104% | 95% |
| Mixed | 58% | 67% | 75% | 85% | 96% | 87% | 80% |
| Motorway (110 km/h) | 51% | 58% | 64% | 73% | 82% | 74% | 68% |
Worked example: a Kia EV3 Long Range (MY27) on a cold motorway
The Kia EV3 Long Range (MY27) is rated at 605 km WLTP. Driving the motorway at 120 km/h on a 5 °C day:
605 km × 0.820 (motorway) × 0.901 (120 km/h) × 0.837 (5 °C) = 374 km on a full battery, or 337 km from 100% to 10%.
Slowing to 90 km/h on the same day gives 513 km, 139 km more. On a long trip that can be the difference between one charging stop and two; the road-trip guide works through it for the cars on sale.
How the estimate compares with winter tests
We set the cold anchors on 28 October 2026 against two sources. On mixed roads the model keeps 78% of the mild range at 0 °C and 70% at −7 °C, the shares Recurrent reported from more than 30,000 US cars (November 2025). On the motorway we checked it against ADAC's January 2026 winter test, which drove 14 cars over the 582 km Munich to Berlin route on a test bench at 0 °C and an average of 111 km/h. ADAC published figures for only some of those cars, and we compared the three that match a car in our catalog:
| Car | WLTP | ADAC measured | Calculator | Difference |
|---|---|---|---|---|
| Tesla Model Y Premium AWD (Juniper) | 629 km | 406 km | 400 km | −2% |
| Audi A6 Avant e-tron performance (MY25) | 720 km | 441 km | 458 km | +4% |
| Volvo EX90 Twin Motor (MY26) | 622 km | 360 km | 395 km | +10% |
The calculator gives one answer for every car with the same WLTP rating, so it cannot see that a large, heavy SUV like the EX90 loses more in the cold than a Model Y. Treat it as the typical car under your conditions. Below −7 °C the sources diverge and are hard to line up: Geotab's fleet data shows 54% of the rated range at −15 °C, and Norway's NAF winter test, with daytime highs from −6 to −32 °C, averaged 38% below WLTP. Neither gives a clean figure for one temperature on our scale, so the temperature slider stops at −15 °C. More detail in EV range in cold weather.
What the calculator leaves out
Wheel size, tyres, wind, rain, hills, roof boxes, towing and a heavy right foot all move real range, sometimes by more than the temperature does. Towing alone can halve it; see EV towing capacity. Pre-heating the car while it is plugged in saves part of the winter loss, and in Recurrent's study cars with a heat pump kept about 10% more of their range at 0 °C. The heat pump is not an input here, so a car with one will often beat the winter estimate, and one without will often fall short of it.
To compare range across models instead of estimating one, use the range comparison or compare cars side by side.
Method and sources checked 2026-10-31. To cite this tool: evstats.org EV Range Calculator, https://evstats.org/ev-range-calculator.
EV range questions
How do I calculate the real range of an electric car?
Start from the official WLTP range and scale it for the road, the temperature, your motorway speed and the battery's health. On a mild day, our factors are 115% of WLTP in town, 96% on mixed roads and 82% on the motorway at 110 km/h. The calculator on this page applies all four factors and shows each one.
How much range does an electric car lose in winter?
On mixed roads our estimate keeps 78% of the mild-weather range at 0 °C and 70% at −7 °C, the shares Recurrent measured across more than 30,000 US cars in its November 2025 winter study. Against the WLTP rating that is 75% and 67%. A heat pump and a pre-heated cabin claw some of it back.
How much range do you lose at 130 km/h compared with 110?
About 19% of the motorway range in our model, and 90 km/h gives about 23% more than 110. The speed factor follows Bjørn Nyland's paired tests, where cars used a median 1.37 times the energy per km at 120 km/h compared with 90.
Does battery degradation reduce range?
Yes, roughly in proportion to the capacity lost: a battery at 90% health gives about 90% of the range. Geotab's January 2026 fleet study put the average loss at 2.3% a year, so a typical five-year-old car sits near 89%. Set your car's figure in the battery health box.
Why is my range lower than the WLTP figure?
WLTP is a lab cycle at 23 °C with an average speed of 46.5 km/h, so it says little about a cold motorway. In ADAC's January 2026 winter test at 0 °C and 111 km/h, the three cars we checked covered 61% of their WLTP range on average.