Flächenrechner (Alle Formen) — Kostenloses Online-Tool
Fläche von Rechteck, Kreis, Dreieck, Polygon + mehr
Berechne Fläche von Rechteck, Quadrat, Kreis, Dreieck, Parallelogramm, Trapez, regelmäßigem Polygon, Ellipse. Mit Diagrammen + Formeln.
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Free area calculator — 8 shapes
Calculate area of any common 2D shape: rectangle, square, circle, triangle, trapezoid, parallelogram, ellipse, regular polygon. Shows formula + perimeter where applicable.
How to use this tool
- 1
Pick a shape
Rectangle, circle, triangle, trapezoid, parallelogram, ellipse, regular polygon.
- 2
Enter dimensions
Fill in the shape-specific inputs. Formula shown for reference.
- 3
Get area + perimeter
Both calculated instantly. Supports any unit.
Frequently Asked Questions
Triangle with 3 sides (no height)?
Units?
Wichtigste Punkte
- Area Rechner (All Shapes) is a free, browser-based calculator tool — area of rectangle, circle, triangle, polygon + more.
- Nein signup, no downloads, no file uploads. Tools run in your browser; the few that need an outside service say so on the page.
- Works on desktop, tablet, and mobile. Install as a PWA for offline access.
How to Use Area Rechner (All Shapes)
- Open the tool: Launch Area Rechner (All Shapes) on Toololis — no account or download needed.
- Enter your data: Paste text, enter values, or select a file directly in your browser.
- Get instant results: Everything is processed locally — results appear immediately.
- Copy or download: Save your output or share it. Bookmark for quick access next time.
Area Rechner (All Shapes) — Quick Facts
- Preis
- Kostenlos — keine Limits, kein Wasserzeichen, keine Paywall
- Privatsphäre
- Wird im Browser verarbeitet. Tools, die einen externen Dienst brauchen, sagen das auf der Seite. Seitenaufrufe werden gezählt (Google Analytics).
- Plattform
- Jeder moderne Browser — Desktop, Tablet, Mobil
- Kategorie
- Rechner Tools on Toololis
- Offline
- Works offline after first visit (Progressive Web App)
| Merkmal | Details |
|---|---|
| Tool | Area Rechner (All Shapes) |
| Kategorie | Rechner |
| Anmeldung nötig | Nein |
| Datei-Upload | Keine — wird im Browser verarbeitet |
| Mobile-Unterstützung | Voll responsive |
| Kosten | Für immer kostenlos |
Why Use Area Rechner (All Shapes)?
You should try Area Rechner (All Shapes) for a quick, private way to area of rectangle, circle, triangle, polygon + more. Processing happens in your browser and files are never uploaded; the few tools that need an outside service say so on the page.
On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.