Seafarers Tax Calculator

Seafarers Tax Calculator

The Seafarer’s Tax Calculator is the easiest and fastest way to calculate your SED (Seafarer’s Earnings Deduction). We’ve come up with the most efficient and hassle-free tax calculator.
The website and App draws upon HMRC’s rules to determine and explain if you’re entitled to a tax return and how much. If you need a clear and uncomplicated guide to Seafarers Earnings Deduction, then look no further!
Then use this spreadsheet to enter your totals, this will automatically total up the columns for you.

Criteria for SED

• Working on a ship
• Must be employed (not self employed)
• Be UK resident
• Initially complete a qualifying period of 365 days
• At least 183 days must be outside of the UK
• Visit at least one foreign port per employment
• Cumulative days in the UK should not be greater than the days out of the UK

Seafarers Earnings Deduction

If you are a UK national who is a ‘non-resident’ in the UK then you don’t have to pay tax on your earnings. However, you have to have been working out of British waters. You have to carry out all or most of your duties on a ship and the other duties must be secondary to your work on a ship.
Seafarers Tax calculator