From loan calculators to ETO industrial products

Build models that compute, quote, and designwith MetaModel

Start like a spreadsheet — formulas you already know. Add rules that create parts, select components, and drive live 3D. Publish as an interactive app, an API, an AI-callable tool — or embed it in any website.

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Full access for 14 days. No credit card required.

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One engine, three ways to ship

Use it yourself · Deploy it as an app · Embed it anywhere

Embeddable story calculators for newsrooms eerlijkzon.nl — live in the Netherlands Instant-quote widgets for installers KBE configurators with live 3D — try the conveyor Engineering sizing & selection tools RFQ & configurator apps Pricing & margin models Classroom calculators with live diagrams Client-ready estimate apps Live rule-pack data behind every tool

Formula Engine

Write formulas like a spreadsheet. Cross-model references, dependency tracking, and live recalculation.

AI Builder

Describe what you need and get a working project in seconds. Customize formulas, properties, and layout from there.

Component Models

Build with reusable components. Properties, relations, and kinds create structured, connected models.

Publish & Share

Publish interactive calculators as standalone apps. Viewers enter values and see results — no account needed.

Try it yourself

These are live MetaModel projects. Change the inputs and watch everything recalculate — no account needed.

Deck Builder

Construction

Enter dimensions, select your state — get beam types, footing depths, railing requirements, and a full cost estimate.

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T-Shirt Vendor Comparison

Business

Compare two vendors with tiered quantity pricing. Slide the quantity to see which vendor wins and by how much.

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Geometric Volumes

Education

Five volume calculators with live SVG diagrams that update as you change dimensions.

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Motrin Dosage

Healthcare

Calculate Ibuprofen dosage based on weight, age group, and health factors with safety warnings.

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See all examples

For developers & AI

Every published calculator is an API — and an MCP tool

Schema discovery plus server-side computed results from the same certified formula engine. AI assistants get real numbers, not hallucinated arithmetic.

Developers & API

curl -X POST metamodel.app/api/compute/<token> \
  -d '{"inputs": {"bore": 63, "stroke": 500, "pressure": 160}}'

→ { "rodDia": 36, "weightKg": 16.7, "sellPrice": 813, … }
  computed, not guessed