CAD conversions, formats, units

On this page you'll find a range of conversion services available on the CAD Forum portal - a converter of physical measurement units, scales, slopes, precise engineering calculator, GPS and mapping converter, an overview of input and output formats in Autodesk products (for converting CAD data), color converter, random number generator, barcode generator, an online converter STL-to-DWG, 1D/2D/3D nesting tools, online CAD viewers, or an overview of AutoCAD commands and variables in different languages and versions.

DATA CONVERTERS
data conversion and calculators

Converters and calculators for physical, mathematical, geometric, map, and color data

Units converter (over 900 international and historical physical measurement units)

Precise engineering calculator (calculator for high precision numbers and advanced mathematical functions)

Map coordinates converter (geolocation survey units, WGS84-GPS, maps and street addresses)

Scale converter (converts modeling scales and units)

Slope converter (convert different ways of expressing slope angle, 2D elevation, gradient)

Color converter (converts RGB, CMYK, HSB, RAL, AutoCAD-ACI and Pantone colors)

CAD VIEWERS
online viewing of CAD/BIM/GIS files

Interactive online viewers for the most popular CAD, BIM, and GIS file formats, CAD→image conversion

Viewer - STL, OBJ, 3DS (interactive 3D mesh viewer, incl. textures)

Viewer - IFC (BIM) (interactive 3D viewer of the BIM format IFC)

Viewer - USD (interactive 3D viewer of the USD/USDA/USDZ files)

Viewer - GeoJSON (interactive viewer of the GeoJSON/TopoJSON, KML and Shapefiles)

AR viewer - GLB (Revit/Fusion, Interactive 3D viewer for glTF/GLB formats with AR presentation on mobile devices)

FILE CONVERTERS
convert CAD formats

CAD, BIM, and GIS format converters and file format conversion guide for Autodesk products

CAD formats and Autodesk support (overview of mutual conversions, import/export, viewers, descriptions)

Converter STL2DWG (import STL models into AutoCAD: STL->DXF, STL->SCR)

Converter GeoJSON (converter for map files in GeoJSON, TopoJSON, KML, and Shapefile formats)

ONLINE GENERATORS
create CAD data

Generate barcodes according to international standards or create pseudo-random data series

Barcode generator (generate barcodes - CODE128, EAN, UPC, CODE39, ITF, MSI, Pharmcode)

Random number generator (generator of X/XY/XYZ series of random numbers with different probability distributions)

Gear generator (involute gear shape generator with CSV/SVG/DXF export)

NESTING
shape/material optimization

Online tools for calculating the optimal distribution of objects into 'containers' in 1D, 2D, or 3D - maximizing material utilization

1D Nesting - bars (minimizing waste when cutting parts of a specified length from bar/strip material)

2D Nesting - rectangles (minimizing waste when placing parts of a specified width and length on boards/sheets)

2D Nesting - shapes (minimizing waste when placing parts of a given shape in a given container - SVG)

3D Nesting - boxes (minimizing waste when placing boxes into volume packaging/containers)

TABLES
dictionaries and databases

Overviews, reference sheets, dictionaries, and databases in the branch of CAD and CAM

ISO thread dimensions (bolts and nuts - ISO dimensional series - table)

Steel classes (conversion table of steel grades, classes, and types according to DIN/ISO/CSN/GOST)

EN-CZ CAD dictionary (Czech-English and English-Czech dictionary of CAD terms)

CAD glossary (glossary of frequently used CAD terms and abbreviations)

AutoCAD commands (database of AutoCAD commands in multiple languages)

AutoCAD variables (database of AutoCAD variables in individual versions of the program)

AutoCAD env.variables (database of AutoCAD environment variables)

Other online tools

• AutoCAD web app
  (AutoCAD in a web browser - edit your DWGs anywhere)
• twiGIS
  (fast and flexible GIS/FM tool by ARKANCE)
• Tinkercad
  (free 3D CAD web app not only for kids)