Please note that you can view the results on all calculators for FREE, but additional options: advanced reports, downloading results (report + drawings + 3D), placing the logo on the drawings and other privileges — requires PAYMENT.
* prices may vary slightly due to differences in exchange rates
Pricing Plans
Includes | No plan | Plan | Plan «Pro» |
| Calculation | ✔️ | ✔️ | ✔️ |
| Access to the results | ✔️ | ✔️ | ✔️ |
| Saving results in your personal account | ✔️ | ✔️ | ✔️ |
| Store results for 180 days | ✔️ | ✔️ | ✔️ |
| Technical support | ✔️ | ✔️ | |
| Access to hidden drawings | ✔️ | ✔️ | |
| Unlimited results saves (download) | ✔️ | ✔️ | |
| Tool «3D-ruler» (sizes) | ✔️ | ✔️ | |
| Custom logo on drawings | ✔️ | ||
| $0/month | $14/month* *billed monthly Choose | $19.71/month* *billed monthly Choose | |
$8.4/month* *billed annually Choose | $11.83/month* *billed annually Choose |
- month the equivalent of 30 calendar days
- subscriptions are not automatically renewed, after the period expires, debits from your personal account are EXCLUDED
- personal results files are stored on the server for 6 months
- if you choose to be billed annually, you can save 40% of your monthly subscription
Widgets Pricing
Available widgets | |
| Roofs | |
| Shed roof (pent roof) | ✔️ |
| Gable roof | ✔️ |
| Hipped roof | ✔️ |
| Pyramidal roof | ✔️ |
| Stairs | |
| L-shaped staircase with landing | ✔️ |
| L-shaped staircase with winder steps | ✔️ |
| U-shaped staircase with landing | ✔️ |
| U-shaped staircase with winder steps | ✔️ |
| Straight staircase (closed stringers) | ✔️ |
| Straight staircase (open stringers) | ✔️ |
| Straight staircase (polyline) | ✔️ |
| Spiral staircase | ✔️ |
FREE* *subject to the availability of a backlink to KALK.PRO site | |
- read more about the functionality of widgets on the page
- widget lease term 100 years
Refund
Refund Conditions
- refund apply, if KALK.PRO website failed to provide a service for technical or any other reasons
- refund will be denied, if the services is fully provided to the user
- refund will be denied, if the services not meeting user's expectations
- refund will be denied, if the user has lost interest in the services
Refund Procedure
- create a refund request using e-mail support@kalk.pro or website live chat
- wait to request processing within 1-7 business days after purchase
- provide bank account details or card number to refund transfer
Please attention, bank's 10% transfer fee is charged for refunds
Can't find an answer?
Write for us