Seafarers Tax Calculator
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About Seafarers Tax Calculator
Know exactly where you stand with your Seafarers Earnings Deduction (SED).
Track your qualifying days, days in hand, and fail date in real time — no spreadsheets, no guesswork.
Built by an offshore worker, for offshore workers.
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WHY THIS APP EXISTS
Most seafarers don’t realise how close they are to failing their SED claim until it’s too late.
Miss the 183-day rule — and you could lose thousands.
This app shows you exactly where you stand, every day.
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KEY FEATURES
- Track voyages, holidays, and qualifying days
- See your Days In Hand (DIH) at a glance
- Know your projected fail date before it’s a problem
- Export reports for your accountant (CSV & PDF)
- Store your documents securely (premium)
- Works fully offline — no signal required offshore
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BUILT FOR REAL OFFSHORE LIFE
No WiFi? No problem.
Designed to work offshore, on vessels, and on rotation — not just in an office.
Fast, simple, and reliable when you need it most.
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STOP GUESSING YOUR TAX POSITION
No more spreadsheets
No more last-minute panic
No more uncertainty
Just clear, accurate tracking of your SED status.
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Download now and take control of your Seafarers Earnings Deduction.
Information
View on Google PlayFrequently Asked Questions
Is Seafarers Tax Calculator free to download?
Seafarers Tax Calculator is free to download from Google Play Store.
Is Seafarers Tax Calculator safe to download?
Yes, we provide direct download links from the official Google Play Store, ensuring a safe and verified download.