Freeboard Calculation Software (FBD)

(2 customer reviews)


All products are in English, except as indicated on specific product pages. Apps that are excel-based work on Windows PC, with Windows parallels needed to run on Macs. File Download links are shown immediately after purchase, and also sent by email. For any issues post purchase, write to [email protected]
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FBD is a software which can calculate freeboard of a vessel. It has got some very useful features, like:
1. A graphic user interface for easy use
2. Easy and intuitive data input
3. The Loadline mark and different freeboards(Summer, Winter,Tropical etc.) shown in output
3. Automatic generation of a detailed word report demonstrating the entire calculations and the Loadline mark (only in PRO version)
4. Help Topics on crucial aspects of the calculations.
5. Video help files for using the software.
6. Up-to-date calculations based on latest provisions and revisions of the ICLL


Instructions for setup:

Download the Setup file and double-click to install. Follow the instructions for installation.
For feedback or issues during installation or usage, please email: [email protected]

****Please note that you need WinRAR to unzip the installation files! Get it here:

****Please ensure you have the latest version of Adobe Reader for opening the report generated in Full Version. Get it here:


Folllowing are the updates in Version 2.0:

1. Now FBD covers vessels under the length of 24 m as well, as per UK GOV MSIS003/PART 4/REV 1.01 LOAD LINE INSTRUCTIONS

2. Tabular Freeboard formula for less than 24 m ships added: 50 + 150 x L/24

3. Correction for superstructure for less than 24 m ships added: 350 mm x L/24

4. Freeboard length formula and inputs corrected. (Now user is being asked to enter the waterline length at 0.85% D, as well as the distance from CL of rudder stock to fore side of stem)

5. Min Bow height formula corrected


Additional information

Product Version

Trial, Full

2 reviews for Freeboard Calculation Software (FBD)

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  1. Abdiel Ibanez (verified owner)

    The software is good, only the print of Plimsol Mark image is not showed complete.

    • Team TheNavalArch (store manager)

      Hi Abdiel
      Thanks for your feedback. We’re currently working on the next version of the calculator which will sort out the issue.

  2. Benoit Champoux (verified owner)

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