Click the "Select File" button above, and choose your KAL file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert KAL to another file type
To convert your KAL file to another format, you need OSD Spirit or other Data software.
Convert a file to KAL
To convert other file formats to the "Costing & Scientific Data" file type, you need software like OSD Spirit or a similar tool.
About KAL files
The .kal file extension primarily represents a Woodworking Calculation file generated by OSD Spirit, a specialized CAD/CAM and ERP software suite used in the furniture and carpentry industries. These files (short for "Kalkulation") contain critical project data, including bill of materials (BOM), cost estimates, labor time calculations, and material specifications derived from the Corpus+ design module.
Because .kal files are proprietary to the OSD ecosystem, they present a significant barrier for clients, contractors, or stakeholders who do not own the expensive, licensed OSD software. You cannot simply double-click to open them in Microsoft Excel or a web browser. This proprietary lock-in often forces users to request manual exports from the original designer.
For general business use, the best conversion target is PDF for uneditable reporting or XLSX/CSV if you need to manipulate the cost data in a spreadsheet.
Scientific Use Case: In laboratory environments, a .kal file may alternatively be a Kratos Vision Data File used by Kratos Analytical X-ray Photoelectron Spectroscopy (XPS) instruments. These binary files store raw spectral data and experimental parameters. Researchers typically need to convert these to the standard VAMAS (.vms) format or ASCII (.txt) using tools like CasaXPS to perform analysis in third-party software.
Convert.Guru analyzes your KAL file, detects the exact format, and lets you read the text inside.
If you want to convert KAL file to MP3, WAV, AAC, FLAC, OGG, WMA, M4A, AIFF, OPUS, ALAC, APE or WV, you can use OSD Spirit or similar software from the "Woodworking Calculation Data" category. In the File menu, look for Save As… or Export….
To convert MIDI, AAC, TTA, AU, WV, DTS, MID, FLAC, RA, MP3, PCM or WAV files to KAL, try OSD Spirit or another comparable tool in the "Woodworking Calculation Data" category.
The KAL Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our KAL converter.