Still guessing...?
✓ affordable and less than a single wrong prop!
✓ Reliable Predictions since 2004
✓ calculating more than 20'000 setups a day
✓ over 105mio drives calculates so far
Sign-up now and get instant access!

Choose your Calculator

propCalc for Airplane	setupFinder for Airplane
fanCalc for EDF Jets	cgCalc Center of Gravity
xcopterCalc for Multirotor	heliCalc for Helicopter
torqueCalc for industry
evCalc for electric cars	chargeCalc charging EVs

available in 18 languages: 中文, čeština, deutsch, english, español, français, hrvatski, italiano, 日本語, 한국어, Nederlands, فارسی, polski, português, русский, românesc, svenska, türk

 membership

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 10'500 predefined components.

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

evCalc − #rEVolution

very first multi-brand EV Range Simulation
for all brands of electric cars
Buying a TESLA? use our referral code and get 1000mi/1500km free of SuperCharging: https://ts.la/markus877 - thanks!

toolbox

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

• Explanatory videos on eCalc YouTube Channel and published articles (see below).
• get the Real World Consumption of a Plug-in Hybrid (PHEV)
• Total Cost of Ownership and CO₂-Analysis of an EV
• cgCalc: Calculate, evaluate or verify the Center of Gravity (CG), Neutral Point (NP) and Aerodynamic Center (AC) of your airplan before maiden. The only CG Calculator for upto 5 wing panels.
• control surface moment: calculate the required torque of your servo.
• decalage: static evaluation with some easy measurments on the table. dynamic decalage correction based on out of neutral trim.
• How to measure the decalage of V-Tails for the above evaluation (Google translated from german)
• TRUE C Rating: calculate the true perfomance of your battery.
• wingDesigner⁴: evaluate and vizualize the center of gravity (CG) of complex wing
• wingDesigner: evaluate and vizualize the center of gravity (CG) of your wing
• xcopterDesigner: optimise and visualises your copter design.

published articles

• check out our interview by NowYouKnow

sorry these are german only:

• eCalc - Berechnungsprogramm für die Antriebsauslegung  
• Elektrische Modell optimal auslegen I  
• Elektrische Modell optimal auslegen II  
• Auslegung I - Modellart t 
• Auslegung II - Rahmenbedingungen  
• Auslegung III - Berechnunsbeispiel  
• Auslegung IV - Berechnung im Detail 
• Auslegung V - Schwerpunkt ermitteln  
• Auslegung VI - Schwerpunkt mit cgCalc  
• Auslegung VII - Saga von der EWD  
• Auslegung VIII - Edge V3 (Teil 1, Evaluation) 
  
• Auslegung IX - Edge V3 (Teil 2, Auslegung & Bau) 
  
• Auslegung X - Edge V3 (Teil 3, Verifikation und Erstflug) 
• Auslegung XI - setupFinder - Einfach Antriebe finden 
• Auslegung XII - BEC-Backup - Einfach und effektiv 
• Technik I - Brushless Motor  
• Technik II - Motorenkonstanten  
• Technik III - Regler bei Vollast  
• Technik IV - Regler bei Teillast  
• Technik V - Timing  
• Technik VI - Tödliche Kabelverlängerung  
• Technik VII - Batterieübersicht  
• Technik VIII - Lithium-Akku  
• Technik IX - Servo und BEC dimensionieren  
• Technik X - Getriebe- oder Direkt-Antrieb?  
• Technik XI - Luftschrauben, schneller als die Pitch erlaubt  
• Antriebe - F5J  
• Antriebe - Hotliner  
• Antriebe - Elektro-Jet-Power  

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]ecalc.ch 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]ecalc.ch.

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]ecalc.ch.

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.