- the most reliable RC Calculator on the Web

direct advertisement - effective, affordable and flexible

example of rotating ads...

Advertise on our platform

We support direct advertisement on eCalc to maximize your advertising return with a unique, strong and focused target audience. eCalc has more than 1000 daily visitors with about 2500 side impressions, around 20'000 setup calculations and a mean session duration of  about 5 minutes. Two groups of target audience:

  • Hobbyists for electric RC airplane, multicopter, helicopter and jets
  • Electric Vehicle newbies, buyer, driver and enthusiasts

You can advertise for specific target groups, launch time-limited campaigns or generally promote your services and products. On request we provide detailed statistics about number of impressions.


Your advertising budget and campaigns reach strong, unique and focused target groups in the field of model flying or e-mobility. Due limited advertisment slots (max. 25) and rotating ads every 20 seconds your banner will be seen 1000 times per day. The responsive design allows 3 different standard banner fitting best to the users device:
  • Banner 970 x 90 pixel for dispalys more than 1024 pixel width
  • Banner 728 x 90 pixel  for dispalys more between 768 and 1024 pixel width
  • Banner 320 x 100 for displays below 768 pixel width (e.g. smartphones)

According your needs we can link to your homepage or a specific page.


Our fixed prices hold no surprises and make the advertising costs predictable to you - limited introductory offer:
  • monthly subscription: $39.-  iso 49.-
  • full year: 399.-  iso 499.-

No additional fees. Easy and secure payment via paypal. the payment will be in advance and may terminated any time before ending of the ads periode.


We give you the outmost flexibility for your campains. Either send us your banners for saving on our server or host them on your server and send us the link to your banner. By self-hosting you may change the banner any time and your update will be online immediately.

you do not have to meet the banner dimension exacley. It may be also bigger as we do scale the banner to the correct hight. Therefore the width-hight-ratio must mantaines or less than the banner dimensions above.

We accept .jpg, gif and .png format. However for best quality we suggest to use .png file format.

Sign-up for montly plan:

After sign-up we will contact you for details regarding your banner and link. Stay tuned

Sign-up for full year plan

For full year plans please contact us and we will send you a paypal invoice. info[at]ecalc.ch

Any further Questions?

please contact us for any further questions... info[at]ecalc.ch