Files with g03 extension are used by the HEC-RAS software. They contain some geometry data.

There is one other file type using
the G03 file extension!

empty icon.g03 - MicroSim PCBoard photoplot artwork

Detailed description

Software that works with g03 file extension

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G03 file - HEC-RAS geometry file

What is g03 file? How to open g03 files?

File type specification:

Various data file type icon Various data file type

The g03 file extension is associated with HEC-RAS a software for perform one-dimensional steady flow, unsteady flow, sediment transport/mobile bed computations, and water temperature modeling. The .g03 file stores geometry data.

The default software associated to g03 file type:

HEC-RAS picture or screenshot

U.S. Army Corps of Engineers logoHEC-RAS  Microsoft Windows software

Company or developer:
U.S. Army Corps of Engineers

HEC-RAS is modeling software used to design hydraulics of water flow through natural rivers and other channels.

Help how to open:

It is not possible to open the g03 extension files.

How to convert:

Files with g03 extension are not convertable.

List of recommended software applications associated to the .g03 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open g03 file, edit g03 file, convert g03 file, view g03 file, play g03 file etc. (if exist software for corresponding action in's database).

  • Others g03 file

Unspecified and all other actions for computer programs working with g03 file - HEC-RAS geometry file

Click on the software link for more information about HEC-RAS. HEC-RAS uses g03 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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