eCalc - electric drive simulation and calculation - the most reliable RC Calculator on the Web

 news - October 20th

10/20/19 - RC Database Update: Leomotion LEO GC-Types, Dualsky Capsuled EG-Types, new OEM Robbe, Mejzlik Multicopter Props

10/19/19 - EV Car Database updated: Mercedes EQC AMG Line, Porsche Taycan 4S & 4S+

9/24/19 - Motor Database Update: NeuMotors 38xx & 65xx

9/23/19 chargeCalc 2.00: Taking battery degradation (SoH) into account

9/21/19 - Motor Database Update: iFlight XING added

9/20/19 - evCalc 4.56 & evCalc 1.11: integration both web application setting the selected car, see new features...

9/18/19 - Motor Database Update: HET

9/14/19 - chargeCalc 1.1: chargeCalc knows the answer to all your questions around charging your EV - new service for calculating specific charge sessions

9/4/19 - EV Car Database updated: Porsche Taycan Turbo and Turbo S added

8/29/19 - Motor Database Update: minor updates

8/7/19 - check out our interview by NowYouKnow

8/6/19 - now with 10'000+ Motors in the most compehensive  motor database on the web

8/6/19 - evCalc: 5 Million Trip Calculations - thanks to all!

3/25/19 - new eCalc Version 7.16 available - What's new?

  • Service update (Printing improved)
If you have problems to run the new version, please proceed according the General Procedure here...

3/23/19 - We are proud to welcome the 8th-millionst visit since counting back in february 2010.

1/22/18 - eCalc is selected to be DRONE MARKET PROFESSIONAL 2018 for it's leading role on the Drone Market.

✓ Reliable Predictions since 2004
✓ calculating more than 15'000 setups a day
the only one considering dynamic effects of prop

Sign-up now and get instantly full access!
membership starts from $0.99 only - Summer Specials

Choose your Calculator

propCalc for fixed wing aircraftfor Airplane
propCalc for fixed wing aircraftfor Airplane
xcopterCalc for multicopter and drone calculationfor Multirotor
heliCalc for helicoopter calculationfor Helicopter
fanCalc for electric jet calculationfor EDF Jets
torqueCalc for industrial designfor industry
evCalc for electric carsfor electric cars
evCalc for electric carscharging EVs

available in 17 languages: 中文, čeština, deutsch, english, espaņol, franįais, hrvatski, italiano, 日本語, 한국어, Nederlands, فارسی, polski, portuguęs, русский, românesc, svenska, türk

System Status:  normal 


The restricted Demoversion with reduced functionality and 20% random database is for free. Sign-up now and become an eCalc Member today with instant access to the full funcionality and over 10'000 predefined components.

We apprecite your scan's of any article about eCalc you read in your prefered RC Magazine - info[at]

evCalc − #rEVolution

very first multi-brand EV Range Simulation
evCalc for electric cars for all brands of electric cars
Buying a TESLA? use our referral code and get 1000mi/1500km free of SuperCharging: - thanks!


These tools may further support you by calculating RC-related tasks:

about eCalc - drive calculator

Since 2004 eCalc provides web-based quality services to simulate, calculate, evaluate and design electric brushless motor drives for RC pilots of airplane, multi rotor, UAV, helicopter and EDF jets.
eCalc's motor database is the most comprehensive on the web.

Follow us on Twitter @eCalc_e, Facebook Group eCalc or the eCalc YouTube Channel to get the latest news.

Is my Motor available?
Wondering your motor is in the Database? ...check the full motor list. If you motor is missung just provide us with the specifications...

You are a motor manufacurer?
Please send us your specifications or fill in this form and we will update our database with your motors. Thereafter all visitors may use your motors for calculation. This will increase your visibility on the market considerable.

Did you find a bug or data error?
please report to info[at] with detailed discription and screen shot - Thank you.

Missing your Language?
We are looking for experienced RC Pilots willing to translate eCalc from english or german to any other language. Please contact us info[at]

terms & conditions

The private use is granted without restrictions. The copyright applies.

The commercial use without any contract with Solution for All Markus Mueller is expressly prohibited. For the contracted  commercial users the Terms & Conditions applies. 

Interested in a commercial use? Please contact us by email: info[at]

copyright & author's right

All source codes, data, texts, pictures and graphs and their arrangements are subject to copyright and are the intellectual property of Solution for All Markus Mueller. They may neither be copied for forwarding nor used in an amended form or on other websites or servers or any kind of electronic device.

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