eCalc - electric drive simulation and calculation

reliable electric drive simulations

propCalc for fixed wing aircraftfor Airplane
propCalc for fixed wing aircraftfor Airplane
performance calculationPerformance
fanCalc for electric jet calculationfor EDF Jets
xcopterCalc for multicopter and drone calculationfor Multirotor
heliCalc for helicoopter calculationfor Helicopter
evCalc for electric cars electric cars
chargeCalc for EVscharging EVs
chargeIndex for EVscompare charging
torqueCalc for industrial designfor industry

 news - July 1st 

meet us at the Segelflugmesse Schwabmünchen, July 15th and 16th, at Glider-it (boot 45)

6/17/22 - eCalc updated V7.26 for details see Release Notes

6/11/22 - Motor updated: Peggy Pepper 2524, Xnova T Serie, iFlight Xing2 18xx, T-Motor F30

5/25/22 - 12 millionst visitor - wow!

5/19/22 - Motor Database updated: new brand HGLRC

5/12/22 - Motor Database updated: iFlight XING2, T-Motor Antigravity

5/11/22 - EV Database updated: BMW iX, i7

3/31/22 - Motor Database updated: Leomotion L5061

3/9/22 - Motor Database updated: Mamba Toka, T-Motor F & CINE, Dualsky EG series

3/1/21 - 250mio Setups calculated

2/19/22 - Motor Database updated: Xpower F2915/12, Xoar TA Series, new Mamba System

2/12/22 - evCalc: OpenChargeMap Charge Station retrival updated to API 3.0 for USA

2/7/22 - Motor Database updated: Dualsky TY Serie, Jeti Phasor

1/17/22 - Motor Database updated: BotherHobby 3008, LA 2005 / Spitz C35xx, C28xx / Emax Eco II / Pichler Pulsar

12/10/21 - Motor Database updated: new brand Tempest

12/10/21 - Motor Database updated: T-Motor F-Series

11/20/21 - Motor Database updated: T-Motor AT7xxx, FMS

11/4/21 - cgCalc 2.0: all new center of gravitiy calculation for Bi-Plane - check out...

10/24/21 - Motor Database updated: EMAX GTII, BrotherHobby Avengaer, RockAmp, MAD

10/18/21 - chargeIndex 1.40: - Drive Drain Efficiency added - "How many km/mi you can drive on 1kWh of Battery Capacitiy"

9/28/21 - EV Database updated: BYD Dolphin, Seat Born

9/28/21 - Motor Database updated: SunnySky X3530 Series

9/16/21 - new publication: how to use w&bCalc (german)

9/12/21 - Motor Database updated: Emax Eco, Turnigy C50xx, SK8, T-Motor U13II

8/28/21 - perfCalc 1.1: - analysis of multi-motor airplane performance

8/27/21 - Motor Database updated: several manufactures

7/17/21 - Motor Database updated: T-Motor P80 Pro Series, Turnigy G90

7/11/21 - perfCalc 1.01: - english unit translation corrected, Bug fix for AC Class evaluation

6/30/21 - Motor Database updated: T-Motor AM480, SunnySky X3120

6/24/21 - ESC Update: EP Products Aer-Series added

6/23/21 - Large Scare Projekt using eCalc. See rig testing...

 5/9/21 - Motor Database updated: Surpass X35xx, X41xx, MT22xx, iFlight XING2, SunnySky FixedWing

5/31/21 - Motor Database: Tunigy SK3-5055-280, Surpass X11xx & X14xx, Flywoo NIN 2303.5

5/18/21 - Motor Database: Leomotion & Dualsky updated

5/12/21 - w&bCalc 1.0: all new Weight and Balance Calculation to evaluate actual CG and CG correction

5/11/21 - Motor Database: added Leomotion L4031 F5B Competition, Eachine, T-Motor V & U

5/6/21 - 200mio Setups calculated

4/12/21 - eCalc Version 7.25 - What's new?

  • Service update
  • propCalc, fanCalc: ESC timing can be changed, Drag based on Wingspan as reference area
  • perfCalc: Version 1.0 - indroduction of the inflight performance analysis tool
If you have problems to run the new version, please proceed according the General Procedure here...

11/26/20 - 10 millionst visitor - wow!

Still guessing...?

Sign-up now and get instant access!

✓ affordable and less than a single wrong prop!
✓ Reliable Predictions since 2004
✓ calculating more than 20'000 setups a day
✓ over 160mio drives calculates so far

available in 19 languages: العربية ,中文, čeština, deutsch, english, español, français, hrvatski, italiano, 日本語, 한국어, Nederlands, فارسی, polski, português, 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 11'700 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!

companies trust in eCalc

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These tools may further support you by calculating RC- and EV-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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