eCalc - electric drive simulation and calculation

reliable electric drive simulations

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 news - July 19nd

7/2/24 - EV Database: Kia EV3, EV9

6/27/24 - eCalc V7.31 for RC simulations available - see details...

6/18/24 - Motor Database: Mega, Surpass V2, EMAX RSIII, PRO Series

5/26/24 - Motor Database: SSS 56xxx, Badass 62xx, T-Motor U Series

5/12/24 - 400 million drive simulations and counting... WOW, this results in a current simulation rate of 130 per minute / 7850 per hour / 188k per day

5/12/24 - Motor Database: minor update

4/30/24 - Motor Database: LeomotionDrives updated

4/10/24 - Motor Database: AXI V3, SSS added

3/15/24 - Motor Database: T-Motor AT80xx added, Hacker A20 Competition, Surpass MEPS updated

2/9/24 - Motor Database: MAD & SunnySky updated

2/9/24 - evCalc: Topography API provider changed

1/24/24 - Motor Database: SunnySky X3510

1/18/24 - eCalc V7.30 for RC simulations available - see details...

12/19/23 - Motor Database:  SunnySky, iFlight Xing2, T-Motor V-Serie, AM40, BrotherHobby F-Serie, Maxon updated

12/1/23 - Motor Database:  Dualsky & Leomotion updated

11/27/23 - Car Database: BYD Dolphin updated

10/31/23 - Motor Database:  Scorpion A-65, Egodrive Tengu Series

9/23/23 - Motor Database:  KDE Direct & T-Motor updated

9/2/23 - Car Database:  Tesla Model 3 refresh added

8/23/23 - Motor Database:  Flash Hobby added, minor corrections

8/10/23 - Motor Database:  minor updates

7/18/23 - Motor Database:  MEPS & SpcMaker added

7/3/23 - Motor Database:  NeuMotors  updated

6/25/23 - 13 millionst visitor - wow!

6/15/23 - propCalc: new Version 7.29 calculates the maximum achievable climb angle. For details see relase notes

6/15/23 - Motor Database:  Scorpion updated

5/29/23 - Motor Database:  Scorpion A-Series updated

5/11/23 - Motor Database:  Leomotion L80xx, Esprit Elit E50 & E60, T-Motor P Series, DarwinFPV updated

5/9/23 - propCalc: new Version 7.28 calculates the clim capacity, specialy interesting for glider pilots. For details see relase notes

4/28/23 - Motor Database:  T-Motor updated

3/25/23 - eCalc updated. For details see release notes

3/25/23 - Motor Database:  T-Motor P-Series, BrotherHobby Avanger, iFlight XING updated


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✓ affordable and less than a single wrong prop!
✓ Reliable Predictions since 2004
✓ calculating more than 20'000 setups a day
✓ over 365mio drives calculates so far

available in 19 languages: العربية ,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 membership for full functionality is not only affordable but  pays off with a single wrong propeller and safes your money.
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 12'000 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
propeller blade calculation
work in progress...

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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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