Fast • Practical • No account
The offshore toolbox in your pocket.
Calculators, conversions, reusable checklists and private field notes for early planning and day-to-day support.
Works on mobileNotes saved on this devicePlanning estimates clearly labelled
Instant conversions
Quick tools.
Common field conversions with results updated as you type.
Early planning
Engineering estimates.
Useful for comparison and preparation. Always verify operational work against approved project data.
Important: these are general mathematical estimates, not approved engineering calculations, dive plans or operating limits.
Reusable templates
Field checklists.
Select a template, tick items as you go and print a clean copy. Project procedures always take priority.
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Private on-device workspace
Field notes.
Notes stay in this browser unless you export them. Do not store passwords, restricted project data or personal information.
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Official sources
Reference starting points.
Use the current controlled document required by your employer or project. These links do not replace subscription standards or project documentation.
IMCAMarine contracting guidance, safety information and industry publications.DNVStandards, recommended practices and assurance resources.APIOil and gas standards and technical publications.SeaSubbROV explainers, careers, equipment and broader subsea learning.
SubbSea is independent and is not affiliated with, approved by or a substitute for these organisations.