Global Medical & Fitness Tools for Seafarers
Your Health. Your Career. Your Sea Journey.
Professional health, fitness and medical-examination preparation tools designed for seafarers, Merchant Navy cadets and maritime professionals worldwide.
Independent information platform • Global maritime focus • Source-conscious
Important Medical Notice
SeafarerFit is an information and digital-tools platform. It is not a hospital, clinic, doctor, maritime administration or medical-certification authority.
Calculator results and questionnaires are for general informational and preparation purposes only.
They cannot replace a medical examination performed by an appropriately qualified/authorized medical examiner.
Six steps to sea-ready
Everything on SeafarerFit follows one route: check your numbers, prepare for the examination, understand the rules, find an examiner, stay fit and track your certificate.
-
Check
Health Calculators
- BMI
- BMR
- Calories
- Ideal Weight
- Body Composition
- Heart Rate
-
Prepare
Medical Examination
- Medical checklist
- Documents
- Examination preparation
- FAQs
-
Understand
Medical Requirements
- Vision
- Hearing
- Medical standards
- Country requirements
- Certificate information
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Find
Medical Examiner
- Country
- State / region
- City
- Examiner & clinic
- Official verification
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Stay Fit
Fitness & Nutrition
- Exercise
- Nutrition
- Weight management
- Sleep
- Fatigue
-
Track
Medical Certificate
- Issue date
- Expiry date
- Country
- Examiner
- Reminders
Check your BMI in seconds
Metric or imperial, built for one-handed use on a phone. You get your BMI, the general adult category, the weight range for your height and a plain explanation of what BMI can and cannot tell you.
- Calculated on your device — nothing is sent to us
- WHO adult classification, with notes for under-18s
- A screening measure only — not a fitness-for-sea decision
BMI Calculator
BMI is a screening measure and does not determine medical fitness for sea service.
SeafarerFit provides educational information, health calculators, screening tools and medical-examination preparation resources. It does not provide diagnosis, treatment, medical certification or official determination of fitness for sea service.
Your answers are calculated in your browser and are not sent to SeafarerFit.
Prepare for Your Seafarer Medical Examination
Review common areas that may be relevant to your medical examination. Six short sections, yes/no answers, and a personal preparation summary at the end: what to bring, what to mention, and which documents may help.
Start medical preparationIt cannot determine medical fitness or predict the outcome of your examination.
- 1Personal informationAge, country, rank, department, examination type
- 2Basic measurementsHeight, weight, BMI, blood pressure, pulse
- 3VisionGlasses, contact lenses, distance and near vision, colour vision
- 4HearingHearing difficulty, previous audiometry, noise exposure
- 5Medical historyMedication, surgery, conditions, hospital stays, allergies
- 6LifestyleActivity, sleep, smoking, alcohol, fatigue
Vision & Hearing
Two areas examined for almost every seafarer. Learn how acuity, colour vision and audiometry work before your appointment.
Medical requirements by country
International conventions set the framework; each country's maritime authority sets the detail. Every record shows its source and when it was last checked.
- 1International guidanceILO · IMO · MLC 2006 · STCW
- 2National maritime authorityImplements the rules for its flag/country
- 3Applicable medical standardsVision, hearing, fitness criteria
- 4Authorized medical examinerApproved/recognised by that authority
- 5Medical examinationHistory, tests and assessment
- 6Medical certificateIssued only through that process
- IndiaDirectorate General of Maritime Administration (DGMA), formerly Directorate General of Shipping
- PhilippinesMaritime Industry Authority (MARINA)
- United KingdomMaritime and Coastguard Agency (MCA)
- SingaporeMaritime and Port Authority of Singapore (MPA)
- United Arab EmiratesMinistry of Energy and Infrastructure (MOEI) — maritime transport
- AustraliaAustralian Maritime Safety Authority (AMSA)
- CanadaTransport Canada — Marine Safety and Security
- United StatesU.S. Coast Guard — National Maritime Center (NMC)
No matching countries yet. Check the official maritime authority for your country.
Find a seafarer medical examiner
Listings are checked against official authority lists. Each one is clearly labelled, and a listing whose check has lapsed is flagged for review rather than shown as current.
- Verified from official source
- Source not verified
- Sponsored Listing Payment never changes verification.
SeafarerFit for Maritime Cadets
For DNS, B.Tech Marine Engineering, B.Sc Nautical Science, GP Rating and ETO students: your first medical is often your first contact with maritime health rules. Get ready step by step.
Start medical preparation- BMI
- Medical preparation
- Vision
- Hearing
- Fitness
- Nutrition
- Sleep
- Pre-sea checklist
- Medical checklist
Medical & Fitness Guide for Marine Engineers
Heat, noise, fatigue and watchkeeping in the engine room — plus hearing protection, physical fitness and medical preparation.
Read the engineers' guideMedical & Fitness Guide for Deck Officers
Vision and colour vision for lookout duties, watchkeeping and fatigue, physical fitness and medical preparation.
Read the deck officers' guideSeaFit: training that fits a ship
Programmes for beginners to advanced, cadets, deck, engine room, cruise and offshore crew — built for small spaces, moving decks and shift patterns.
- BeginnerBeginner FoundationsA gentle start: build the habit with short bodyweight sessions and daily walking.
- IntermediateIntermediate StrengthFull-body strength with bodyweight and bands, built for small spaces.
- AdvancedAdvanced ConditioningHigher-intensity strength and interval training for experienced, healthy seafarers.
- All levelsShipboard CircuitA 15-minute cabin circuit for any ship, any weather that allows safe movement.
- BeginnerCadet FoundationBuild the fitness base for training, sea time and a long career.
- IntermediateDeck Crew FunctionalGrip, pulling and core strength for mooring, ladders and line handling.
- IntermediateEngine Room StrengthStrength and mobility for ladders, tight spaces and heavy spares — with heat in mind.
- All levelsCruise Crew EnergyLeg, back and core support for long shifts on your feet.
Sea Nutrition
Healthy eating from the ship's galley, night-watch meals, hydration, protein, snacks, sugar and salt. Start from your numbers: BMI, then BMR, then calories.
Explore Sea NutritionSleep & Fatigue
Watchkeeping and shift work, sleep hygiene in a cabin, caffeine, long voyages and the warning signs of fatigue — with a private self-assessment.
Take the fatigue self-assessmentNever miss a medical renewal
Save your certificate's issue and expiry dates, country, authority and examiner. Opt in to reminders 90, 30 and 7 days before expiry. Validity periods differ, so we never assume one — you enter the date on your certificate.
Track CertificateMedical Certificate
Expires in 87 days
- 90-day reminder sent
- 30-day reminder
- 7-day reminder
Guides and articles
Written in plain language, with sources, jurisdiction and review dates on every page.
- Medical CertificateUnderstanding Your Seafarer Medical CertificateWhat a seafarer medical certificate states, what limitations mean, and how validity works.
- NutritionHealthy Eating at Sea: A Practical GuideYou may not control the galley menu, but you control your plate. Simple habits for eating well on a long contract.
- NutritionNight-Watch Nutrition: What to Eat on the 00–04How to eat around night watches to stay alert without upsetting digestion or sleep.
- NutritionHydration on Board: How Much Is Enough?Heat, air-conditioning and hard work all increase fluid loss. Practical hydration advice for deck and engine crews.
- Sleep & FatigueSleep Hygiene for WatchkeepersMake the most of short sleep windows with a dark, cool, quiet cabin and a consistent routine.
- FitnessThe 15-Minute Cabin WorkoutNo gym, no equipment, little space: a simple routine you can do in your cabin between watches.
Frequently asked questions
What is SeafarerFit?
SeafarerFit is an independent digital platform that provides health calculators, medical-examination preparation tools, fitness resources and maritime health information for seafarers, Merchant Navy cadets and maritime professionals worldwide. It is not a clinic, doctor or certification authority.
Can SeafarerFit issue medical certificates?
No. Seafarer medical certificates can only be issued through the official process — by a medical examiner authorized or recognised by the relevant maritime authority. SeafarerFit provides information and preparation tools only.
Can SeafarerFit tell me whether I will pass my medical?
No. Our tools never say “fit”, “unfit”, “pass” or “fail”, and they cannot predict the outcome of your examination. Medical fitness for sea service is determined only by an authorized medical examiner applying the standards that apply to you.
Is the BMI calculator an official maritime medical test?
No. BMI is a general screening measure. It does not determine medical fitness for sea service, which is assessed as a whole by an authorized medical examiner.
Where can I find a medical examiner?
Use the SeafarerFit examiner directory, which labels each listing as verified from an official source or not verified, and always confirm with your maritime authority’s official list. Each country page links to the official list where one is published.
Do requirements differ between countries?
Yes. International conventions (the MLC, 2006 and STCW) set minimum rules, but each country’s maritime authority sets its own detailed standards, forms, approved examiners and sometimes shorter validity periods. The flag of the ship and your employer can also matter.
What documents should I take to my medical?
Typically your passport or ID, seafarer documents, previous medical certificate, relevant medical reports, medication and prescription details, glasses or contact-lens information, and previous test reports. Exact requirements vary by jurisdiction, authority, employer, flag state, duties and examiner.
How should I prepare for a seafarer medical examination?
Confirm which authority’s rules apply, book an authorized examiner, gather your documents using our checklist, rest well and avoid alcohol and loud noise beforehand, and answer medical-history questions fully and honestly. The preparation checker produces a personal summary.
Built Around Maritime Medical Guidance
SeafarerFit organizes publicly available information from relevant maritime authorities and international maritime and occupational-health guidance.
- ILO
- IMO
- National Maritime Authorities
- National Health Authorities
Maritime Labour Convention, 2006, as amended
International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (STCW)
Guidelines on the medical examinations of seafarers
Maritime Health Branch — medical examination of seafarers
Organizations are named only to identify sources. None of them endorses or is affiliated with SeafarerFit. Read our editorial policy
Prepare for Your Medical. Stay Fit for Your Sea Journey.
Start with a calculator, work through the preparation checker, then confirm the official requirements for your country and find an authorised examiner.