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    Structural Design for Solar Systems

    Dlubal Software helps you create and verify any solar mounting system. Work efficiently with steel, aluminum, and concrete structures in a single environment.

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    Dlubal API

    The new Dlubal API service (gRPC) provides you with a flexible interface to the structural analysis software based on Python and C#, with direct access to the entire Dlubal product range.

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  • Icon representing RFEM 6, a finite element analysis software application. RFEM 6 Only Structural Analysis and Design Software You Need for Your Projects

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    RSTAB 9 Icon without borders RSTAB 9 Iconic Frame and Truss Analysis Software

    RSTAB 9 is a powerful analysis and design software for 3D beam, frame, or truss structure calculations, reflecting the current state of the art and helping structural engineers meet requirements in modern civil engineering.

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    RSECTION 1 Icon without borders RSECTION 1 User-Defined Cross-Section Properties

    RSECTION supports structural engineers by determining cross-section properties for a wide variety of cross-sections and allowing for subsequent stress analysis.

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    RWIND 3 Icon without borders RWIND 3 CFD Software for Digital Wind Tunnels

    RWIND 3 is a digital wind tunnel for simulating wind flows around any building geometry and for the calculation of the wind loads on their surfaces.

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    Description of a structural analysis and design application icon in vector format, depicting core functionalities of the calculation tool through AI technology. Dlubal CALC The AI Workspace for Structural Engineers

    Ask a code question, design a member to Eurocode, check your RFEM 6 model, or run a special check that no add-on covers. Every answer shows its derivation and source, and stays checkable.

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    Geo-Zone Tool

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Sign in to your account

Sign up for the Dlubal Extranet to get most of the software and have exclusive access to your personal data.

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  • Products
  • CALC
  • Features
  • Pricing

Start free.
Scale with your team.

A transparent credit system. Every response shows what it cost and why, tracked per workspace so you can see where the budget went.

GET STARTED FREE
The image displays the MIA AI assistant interface, showcasing tools and features useful for enhancing the workflow of structural engineers. Structural engineers using mobile AI assistant for structural design assistance.
  • Overview
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  • Pricing
GET STARTED FREE

Choose your plan

AI-powered structural engineering assistance — from quick checks to RFEM-connected workflows.

  • Monthly
  • Yearly -17%
Free
0 €

30 credits/month

  • Projects: 1
  • Drawings: 1
  • Chat history: 30 days
  • RFEM / RSECTION Connection
Start free
Starter
29 €/month/user

300 credits/month

  • Projects: 5
  • Chat history: 90 days
  • PDF reports
  • Team management (max. 0 members)
Switch to Starter
Recommended
Professional
79 €/month/user

1,000 credits/month

  • Unlimited projects
  • Unlimited drawings
  • Unlimited chat history
  • Custom skills
  • RFEM / RSECTION Connection
  • PDF reports
  • Public Developer API
  • Team management (max. 5 members)
.✦ Switch to Professional
Enterprise
199 €/month/user

5,000 credits/month

  • Unlimited projects
  • Unlimited drawings
  • Unlimited chat history
  • Custom skills
  • RFEM / RSECTION Connection
  • PDF reports
  • Public Developer API
  • Company Knowledge
  • Team management (unlimited members)
Switch to Enterprise

All prices are in EUR and exclude VAT where applicable.

Compare plans in detail

Explore all features, limits, and integrations across all plans.

Free
Starter
Professional
Enterprise
Credits

Credits are consumed by AI messages, PDF reports, RFEM calls and knowledge searches.

30/month
300/month
1000/month
5000/month
Projects
1
5
Unlimited
Unlimited
Chat history
30 days
90 days
Unlimited
Unlimited
Custom skills

Create and reuse custom skills tailored to your engineering workflows.

Save chat as skill
File Attachment Management

Upload, organize and manage file attachments across your chats.

Company Knowledge

Ground Mia in your organization's private knowledge — company-scoped assets curated by your team.

RFEM / RSECTION Connection

Connect CALC to RFEM 6 or RSECTION to run AI-assisted checks, retrieve model data, and drive engineering workflows directly from connected Dlubal applications.

PDF reports
Geo-Zone Tool Connection
Public Developer API

Issue API keys and integrate CALC into your own tools via the public Developer API.

Team management

Invite team members and manage their roles and access from one place.

Max. 5 members
Unlimited
Shared team credit pool
SSO / SAML

Sign in via your organization's identity provider (SAML SSO). Available on request.

Audit logs
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How credits work

Every response shows the tokens used, the model that answered, and the price — nothing hidden. Consumption is tracked per workspace, so you can see which project spent what.

VIEW PRICING DETAILS
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RFEM licenses stay yours

CALC connects to the RFEM 6 licenses your team already owns through the MCP Dlubal-Connector. No second solver, no duplicate license.

HOW CONNECTORS WORK
Free Support & Service | Contact Box | Write Us
Not sure which plan?

Tell us how many engineers you have and what you check most often, and we'll size the credit allowance along with you.

CONTACT SALES

Frequently Asked Questions

What is a credit?

A credit is the smallest billing unit in Dlubal CALC. Every action — chat, RFEM call, PDF report — consumes a fixed number of credits, as shown in the table above.

What happens when I run out of credits?

You'll see a notice in chat, and your monthly credits refill automatically at the start of the next billing period. On any paid plan you can also buy a credit top-up pack at any time; on the Free plan, upgrading is the way to get more credits.

Can I buy extra credits without changing my plan?

Yes — on any paid plan you can buy one-time credit packs, from quick top-ups to large packs with volume discounts. Purchased credits never expire and are only used once your monthly credits are spent.

Can I cancel anytime, and how does yearly billing work?

Yes — you can cancel at any time; your plan stays active until the end of the paid period and then reverts to Free. Yearly billing costs 10× the monthly price, so you get two months free (about 17% off).

More information about pricing details

Do my credits expire at the end of the month?

Monthly plan credits reset at the end of each billing period and do not roll over. Credits from purchased top-up packs never expire and stay on your account permanently.

How do team credits work on Professional vs. Enterprise?

Professional includes team management for up to 5 members, where each member uses their own monthly credits. On Enterprise the whole team shares a single credit pool, and pricing is per team instead of per user.

Ready to choose your plan?

Select the credit allowance that fits your project volume and start designing immediately. You can explore the features for free or request a guided demo for your team.

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Structural Analysis and Design Software
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