CADCalc

ARC_LENGTH — Compute arc length from radius and angle, with SVG preview.

Arc length

Radius (r)

Angle (°)

— awaiting input

Triangle solver

Right triangle from two sides.

Side a

Side b

— awaiting input

Bolt circle

Holes (n)

Diameter (D)

— awaiting input

Area / Perimeter

Shape

Width

Height

— awaiting input

Sheet-metal bend

Thickness (t)

Bend radius (r)

Angle (°)

K-factor

— awaiting input

Gear tooth

Module (m)

Teeth (z)

— awaiting input

Drawing canvas

Click & drag to draw. Snaps to 10-unit grid.

SVG export / view

Zoom Pan X Pan Y

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Basic shapes

Shape Size / length

Parametric bracket

Width

Height

Thickness

Parametric plate

Width

Height

Corner radius

Cutouts

Cutout diameter

Rows

Columns

Patterns

Type

Rows / count

Cols / radius

Flange

Outer dia.

Inner dia.

Bolt circle dia.

No. holes

Tabs & slots

Tab width

Tab height

Count

Unit converter

Value

From

— awaiting input

Slope / pitch

Rise

Run

— awaiting input

Coordinates generator

Type

Rows / count

Cols / radius

— awaiting input

Material thickness

Common sheet‑metal gauges (approximate):

Tolerance

Nominal size

+ tolerance

− tolerance

— awaiting input

DXF viewer

Renders LINE, CIRCLE, ARC, LWPOLYLINE, POLYLINE, ELLIPSE, SPLINE, and TEXT entities. Scroll to zoom, drag to pan.

DXF file

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SVG → DXF

Exports current preview SVG as a .dxf file (SVG content inside).

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Scan → CAD

Upload or photograph a sketch, blueprint, or drawing. AI extracts geometry and renders it as a CAD vector.

📷

Drop image here or click to browse
PNG · JPG · WEBP · GIF

Reference dimension (optional)

Known length

Unit

Detail level

— upload an image to begin

DXF → SVG

Preview DXF file text in the SVG panel.

DXF file

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JSON import/export

Save and restore workspace state.

JSON data

Settings

Theme Workspace

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READY

TOOL: ARC_LENGTH

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