- the most reliable RC Calculator on the Web

 news - November 22th

11/22/15 - Motor Database Updated...

11/09/15 - Bullnose props added

11/5/15 eCalc Version 6.622 - What's new?

  • Introduction of Quick Check Gauges for a quick overview
  • generateLink is relocated and renamed to share funtion, known from social media.
  • propCalc: Motor Partial Load Table formating (grey below stall, bold at max. efficiency)
  • xcopterCalc: introduction of Thrust-Weigh-Ratio
  • Bug Fix for users with restricted access to Google
  • Demo Version: all available component are now shown in the lists - 75% will be not selectable

if you have problems to run the new version, please proceed according the General Procedure here...

8/17/15 - more than 4 million visits since february 2010!
We are proud to welcome the four-millionst visit since counting back in february 2010. Our community is constantly crowing....
Thanks to all for supporting eCalc.

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

We will redesign our homepage to responsive technologie - this will provide a better user experience on small devices. Check-out our screen prototyp 1.1 with responsive design - we realy appreciate your feedback on the look and feel on different devices...  info[at]ecalc.ch


The restricted Demoversion with reduced functionality and 25% random database is for free. Sign-up now and become an eCalc Member today with instant access to the full funcionality and over 5500 predefined components.

about eCalc

eCalc provides since 2004 web-based quality services to calculate, evaluate and design electric motor driven systems for RC (remote controled) models.

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

Is my Motor available?
Wondering your motor is in the Database? ...check the full motor list.

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.

© by Solution for All Markus Müller  -  www.eCalc.ch  -  info[at]eCalc.ch