{"id":5277,"date":"2025-12-02T06:54:09","date_gmt":"2025-12-02T06:54:09","guid":{"rendered":"https:\/\/www.floating-fender.com\/?p=5277"},"modified":"2025-12-04T05:48:26","modified_gmt":"2025-12-04T05:48:26","slug":"difference-entre-le-tonnage-brut-et-le-tonnage-net","status":"publish","type":"post","link":"https:\/\/www.floating-fender.com\/fr\/difference-between-gross-tonnage-and-net-tonnage\/","title":{"rendered":"Quelle est la diff\u00e9rence entre le tonnage brut et le tonnage net\u00a0?"},"content":{"rendered":"<p>Dans le secteur maritime, il est essentiel de comprendre la diff\u00e9rence entre tonnage brut et tonnage net pour l&#039;exploitation des navires, leur classification et la conformit\u00e9 r\u00e9glementaire. Bien que ces deux termes mesurent la capacit\u00e9 d&#039;un navire, ils se concentrent sur diff\u00e9rents aspects de son volume. Le tonnage brut correspond au volume interne total du navire, tandis que le tonnage net mesure sp\u00e9cifiquement le volume disponible pour le stockage de la cargaison. Ces mesures sont cruciales pour la r\u00e9glementation maritime, le calcul des redevances portuaires et la classification des navires.<\/p>\n\n<h2>Comprendre le tonnage dans le contexte maritime<\/h2>\n<p>Le tonnage mesure la capacit\u00e9 d&#039;un navire, exprim\u00e9e en volume et non en poids. Contrairement au d\u00e9placement, qui mesure le poids du navire, le tonnage se concentre sur son espace int\u00e9rieur. Cette distinction est essentielle pour les professionnels du secteur maritime, car elle influe sur la conformit\u00e9 r\u00e9glementaire, les redevances portuaires et la planification op\u00e9rationnelle.<\/p>\n<p>En termes maritimes, le tonnage quantifie le volume int\u00e9rieur d&#039;un navire. Les deux principaux types \u2014 le tonnage brut et le tonnage net \u2014 permettent d&#039;\u00e9valuer l&#039;espace int\u00e9rieur total et utilisable d&#039;un navire.<\/p>\n<p>Historiquement, les m\u00e9thodes de mesure du tonnage variaient d&#039;un pays \u00e0 l&#039;autre. Toutefois, la Convention internationale sur le jaugeage des navires de 1969 a normalis\u00e9 ces syst\u00e8mes. Ce cadre mondial a introduit des d\u00e9finitions et des calculs uniformes pour le tonnage brut et net, rationalisant ainsi le commerce et la r\u00e9glementation maritimes internationaux.<\/p>\n<h2>Tonnage brut vs tonnage net\u00a0: principales diff\u00e9rences<\/h2>\n<p>Il est essentiel pour les professionnels du secteur maritime de comprendre la diff\u00e9rence entre tonnage brut et tonnage net. Cela garantit la conformit\u00e9 r\u00e9glementaire et permet un calcul pr\u00e9cis de la capacit\u00e9 de chargement d&#039;un navire.<\/p>\n<ul>\n<li><strong>Tonnage brut<\/strong>Le tonnage brut mesure le volume total des espaces int\u00e9rieurs d&#039;un navire, incluant les cales, les salles des machines et les quartiers de l&#039;\u00e9quipage. Il refl\u00e8te la taille globale du navire.<\/li>\n<li><strong>Tonnage net<\/strong>Le tonnage net mesure le volume des espaces de chargement disponibles pour le transport de marchandises. Il exclut les espaces non commerciaux tels que les salles des machines et les quartiers de l&#039;\u00e9quipage, et se concentre sur la capacit\u00e9 commerciale du navire.<\/li>\n<li><strong>Volume vs Espace utilisable<\/strong>La principale diff\u00e9rence r\u00e9side dans ce que chaque mesure englobe. Le tonnage brut correspond \u00e0 l&#039;espace total couvert du navire, tandis que le tonnage net se concentre sur les surfaces de chargement utilisables. G\u00e9n\u00e9ralement, le tonnage net d&#039;un navire est au moins \u00e9gal \u00e0 301\u00a0000 tonnes de son tonnage brut, ce qui garantit qu&#039;il refl\u00e8te sa capacit\u00e9 \u00e0 g\u00e9n\u00e9rer des revenus.<\/li>\n<\/ul>\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2914\" data-end=\"3307\">\n<thead data-start=\"2914\" data-end=\"3011\">\n<tr data-start=\"2914\" data-end=\"3011\">\n<th data-start=\"2914\" data-end=\"2938\" data-col-size=\"sm\"><strong data-start=\"2916\" data-end=\"2931\">Mesures<\/strong><\/th>\n<th data-start=\"2938\" data-end=\"2984\" data-col-size=\"sm\"><strong data-start=\"2940\" data-end=\"2955\">Description<\/strong><\/th>\n<th data-start=\"2984\" data-end=\"3011\" data-col-size=\"sm\"><strong data-start=\"2986\" data-end=\"2995\">Se concentrer<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3109\" data-end=\"3307\">\n<tr data-start=\"3109\" data-end=\"3206\">\n<td data-start=\"3109\" data-end=\"3133\" data-col-size=\"sm\"><strong data-start=\"3111\" data-end=\"3128\">Tonnage brut<\/strong><\/td>\n<td data-col-size=\"sm\" data-start=\"3133\" data-end=\"3179\">Volume total int\u00e9rieur du navire<\/td>\n<td data-col-size=\"sm\" data-start=\"3179\" data-end=\"3206\">Espace int\u00e9rieur total<\/td>\n<\/tr>\n<tr data-start=\"3207\" data-end=\"3307\">\n<td data-start=\"3207\" data-end=\"3231\" data-col-size=\"sm\"><strong data-start=\"3209\" data-end=\"3224\">Tonnage net<\/strong><\/td>\n<td data-col-size=\"sm\" data-start=\"3231\" data-end=\"3276\">Volume des espaces de chargement<\/td>\n<td data-col-size=\"sm\" data-start=\"3276\" data-end=\"3307\">capacit\u00e9 de g\u00e9n\u00e9ration de revenus<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-5181 size-full\" src=\"https:\/\/www.floating-fender.com\/wp-content\/uploads\/2025\/08\/What-Is-Deadweight-Tonnage.jpg\" alt=\"Tonnage brut vs tonnage net\u00a0: principales diff\u00e9rences\" width=\"768\" height=\"576\" srcset=\"https:\/\/www.floating-fender.com\/wp-content\/uploads\/2025\/08\/What-Is-Deadweight-Tonnage.jpg 768w, https:\/\/www.floating-fender.com\/wp-content\/uploads\/2025\/08\/What-Is-Deadweight-Tonnage-300x225.jpg 300w, https:\/\/www.floating-fender.com\/wp-content\/uploads\/2025\/08\/What-Is-Deadweight-Tonnage-16x12.jpg 16w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/p>\n<h2>M\u00e9thodes de calcul du tonnage des navires<\/h2>\n<p>La Convention internationale sur le jaugeage des navires (1969) \u00e9tablit le cadre de calcul du tonnage brut et du tonnage net. Ces mesures sont d\u00e9termin\u00e9es \u00e0 l&#039;aide de formules sp\u00e9cifiques bas\u00e9es sur le volume interne du navire et d&#039;autres facteurs.<\/p>\n<h3>Formule math\u00e9matique du tonnage brut<\/h3>\n<p>Le tonnage brut (TB) se calcule \u00e0 l&#039;aide de la formule\u00a0: TB = K \u00d7 V. V repr\u00e9sente le volume total du navire en m\u00e8tres cubes. K est un coefficient multiplicateur logarithmique d\u00e9termin\u00e9 par la formule K = 0,2 + 0,02 \u00d7 log\u2081\u2080(V). Ceci garantit que le tonnage brut augmente proportionnellement au volume du navire.<\/p>\n<h3>D\u00e9termination des valeurs de tonnage net<\/h3>\n<p>Le tonnage net (TN) est obtenu \u00e0 partir du tonnage brut en soustrayant les espaces non rentables tels que les salles des machines et les quartiers de l&#039;\u00e9quipage. La valeur r\u00e9sultante repr\u00e9sente la capacit\u00e9 de chargement du navire.<\/p>\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"4334\" data-end=\"4718\">\n<thead data-start=\"4334\" data-end=\"4410\">\n<tr data-start=\"4334\" data-end=\"4410\">\n<th data-start=\"4334\" data-end=\"4358\" data-col-size=\"sm\"><strong data-start=\"4336\" data-end=\"4351\">Type de navire<\/strong><\/th>\n<th data-start=\"4358\" data-end=\"4384\" data-col-size=\"sm\"><strong data-start=\"4360\" data-end=\"4382\">Tonnage brut (GT)<\/strong><\/th>\n<th data-start=\"4384\" data-end=\"4410\" data-col-size=\"sm\"><strong data-start=\"4386\" data-end=\"4406\">Tonnage net (NT)<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"4488\" data-end=\"4718\">\n<tr data-start=\"4488\" data-end=\"4564\">\n<td data-start=\"4488\" data-end=\"4512\" data-col-size=\"sm\"><strong data-start=\"4490\" data-end=\"4504\">Navire de charge<\/strong><\/td>\n<td data-col-size=\"sm\" data-start=\"4512\" data-end=\"4538\">30,000<\/td>\n<td data-col-size=\"sm\" data-start=\"4538\" data-end=\"4564\">20,000<\/td>\n<\/tr>\n<tr data-start=\"4565\" data-end=\"4641\">\n<td data-start=\"4565\" data-end=\"4589\" data-col-size=\"sm\"><strong data-start=\"4567\" data-end=\"4577\">P\u00e9trolier<\/strong><\/td>\n<td data-col-size=\"sm\" data-start=\"4589\" data-end=\"4615\">100,000<\/td>\n<td data-col-size=\"sm\" data-start=\"4615\" data-end=\"4641\">80,000<\/td>\n<\/tr>\n<tr data-start=\"4642\" data-end=\"4718\">\n<td data-start=\"4642\" data-end=\"4666\" data-col-size=\"sm\"><strong data-start=\"4644\" data-end=\"4662\">navire \u00e0 passagers<\/strong><\/td>\n<td data-col-size=\"sm\" data-start=\"4666\" data-end=\"4692\">50,000<\/td>\n<td data-col-size=\"sm\" data-start=\"4692\" data-end=\"4718\">40,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Importance du tonnage dans les op\u00e9rations maritimes<\/h2>\n<p>Une mesure pr\u00e9cise du tonnage est essentielle pour la conformit\u00e9 r\u00e9glementaire, la planification financi\u00e8re et l&#039;efficacit\u00e9 op\u00e9rationnelle.<\/p>\n<ul>\n<li><strong>Applications r\u00e9glementaires et juridiques<\/strong>Le tonnage brut d\u00e9termine les exigences en mati\u00e8re d&#039;effectifs, les normes de s\u00e9curit\u00e9 et la classification du navire. Ces exigences d\u00e9pendent de la taille et du volume du navire, le tonnage brut influen\u00e7ant la taille de l&#039;\u00e9quipage et les besoins en \u00e9quipements de s\u00e9curit\u00e9.<\/li>\n<li><strong>Incidence sur les frais portuaires et l&#039;immatriculation<\/strong>Les droits portuaires, les droits de passage des canaux et les frais d&#039;immatriculation sont souvent calcul\u00e9s en fonction du tonnage brut. Un tonnage brut plus important entra\u00eene g\u00e9n\u00e9ralement des frais plus \u00e9lev\u00e9s\u00a0; il est donc essentiel de les mesurer avec pr\u00e9cision pour \u00e9tablir un budget.<\/li>\n<li><strong>Relation avec le tonnage de port en lourd<\/strong>Le port en lourd mesure le poids total qu&#039;un navire peut transporter, incluant la cargaison, le carburant, les passagers et l&#039;\u00e9quipage. Alors que le tonnage brut et le tonnage net mesurent le volume, le port en lourd se concentre sur le poids, compl\u00e9tant ainsi les mesures bas\u00e9es sur le volume.<\/li>\n<\/ul>\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"5856\" data-end=\"6353\">\n<thead data-start=\"5856\" data-end=\"5952\">\n<tr data-start=\"5856\" data-end=\"5952\">\n<th data-start=\"5856\" data-end=\"5882\" data-col-size=\"sm\"><strong data-start=\"5858\" data-end=\"5881\">Mesure du tonnage<\/strong><\/th>\n<th data-start=\"5882\" data-end=\"5919\" data-col-size=\"sm\"><strong data-start=\"5884\" data-end=\"5898\">D\u00e9finition<\/strong><\/th>\n<th data-start=\"5919\" data-end=\"5952\" data-col-size=\"sm\"><strong data-start=\"5921\" data-end=\"5936\">Application<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"6049\" data-end=\"6353\">\n<tr data-start=\"6049\" data-end=\"6150\">\n<td data-start=\"6049\" data-end=\"6075\" data-col-size=\"sm\"><strong data-start=\"6051\" data-end=\"6068\">Tonnage brut<\/strong><\/td>\n<td data-col-size=\"sm\" data-start=\"6075\" data-end=\"6111\">Volume de tous les espaces clos<\/td>\n<td data-col-size=\"sm\" data-start=\"6111\" data-end=\"6150\">Conformit\u00e9 r\u00e9glementaire, r\u00e8gles de s\u00e9curit\u00e9<\/td>\n<\/tr>\n<tr data-start=\"6151\" data-end=\"6246\">\n<td data-start=\"6151\" data-end=\"6177\" data-col-size=\"sm\"><strong data-start=\"6153\" data-end=\"6168\">Tonnage net<\/strong><\/td>\n<td data-col-size=\"sm\" data-start=\"6177\" data-end=\"6213\">Volume des espaces de chargement<\/td>\n<td data-col-size=\"sm\" data-start=\"6213\" data-end=\"6246\">Frais portuaires, co\u00fbts d&#039;inscription<\/td>\n<\/tr>\n<tr data-start=\"6247\" data-end=\"6353\">\n<td data-start=\"6247\" data-end=\"6273\" data-col-size=\"sm\"><strong data-start=\"6249\" data-end=\"6271\">Tonnage de poids mort<\/strong><\/td>\n<td data-col-size=\"sm\" data-start=\"6273\" data-end=\"6310\">Poids de la cargaison, du carburant, de l&#039;eau, etc.<\/td>\n<td data-col-size=\"sm\" data-start=\"6310\" data-end=\"6353\">Capacit\u00e9 de charge, planification op\u00e9rationnelle<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-4903 size-full\" src=\"https:\/\/www.floating-fender.com\/wp-content\/uploads\/2024\/11\/Ship-To-Ship-Transfert-3.jpg\" alt=\"Importance du tonnage dans les op\u00e9rations maritimes\" width=\"768\" height=\"576\" srcset=\"https:\/\/www.floating-fender.com\/wp-content\/uploads\/2024\/11\/Ship-To-Ship-Transfert-3.jpg 768w, https:\/\/www.floating-fender.com\/wp-content\/uploads\/2024\/11\/Ship-To-Ship-Transfert-3-300x225.jpg 300w, https:\/\/www.floating-fender.com\/wp-content\/uploads\/2024\/11\/Ship-To-Ship-Transfert-3-16x12.jpg 16w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/p>\n<h2>Conclusion<\/h2>\n<p>En tant que professionnel <a href=\"https:\/\/www.floating-fender.com\/fr\/\" target=\"_blank\" rel=\"noopener\">\u00e9quipement marin<\/a> Le fabricant Henger Shipping Supplies comprend que la pr\u00e9cision du tonnage est essentielle aux op\u00e9rations maritimes. Les experts maritimes peuvent garantir la conformit\u00e9 r\u00e9glementaire, optimiser les frais portuaires et d\u00e9terminer avec exactitude la capacit\u00e9 de chargement d&#039;un navire en connaissant la diff\u00e9rence entre tonnage brut et tonnage net.<\/p>\n<p>Notre expertise en mati\u00e8re d&#039;\u00e9quipements maritimes, tels que les d\u00e9fenses Yokohama et les coussins gonflables marins, repose sur une parfaite ma\u00eetrise de ces param\u00e8tres et de leur impact sur les op\u00e9rations. Comprendre la diff\u00e9rence entre tonnage brut et tonnage net vous permettra de g\u00e9rer plus efficacement et en toute l\u00e9galit\u00e9 les difficult\u00e9s des op\u00e9rations maritimes.<\/p>\n<h2>FAQ<\/h2>\n<h3>Quelle est la principale diff\u00e9rence entre le tonnage brut et le tonnage net\u00a0?<\/h3>\n<p>Le tonnage brut mesure le volume total ferm\u00e9 du navire, tandis que le tonnage net mesure uniquement le volume disponible pour le chargement, refl\u00e9tant la capacit\u00e9 de gain du navire.<\/p>\n<h3>Comment le tonnage brut est-il calcul\u00e9 ?<\/h3>\n<p>Le tonnage brut est calcul\u00e9 \u00e0 l&#039;aide de la formule GT = K * V, o\u00f9 V est le volume total du navire en m\u00e8tres cubes et K est une constante bas\u00e9e sur le volume du navire.<\/p>\n<h3>Quels sont les facteurs qui influent sur le tonnage net ?<\/h3>\n<p>Le tonnage net est d\u00e9termin\u00e9 en excluant du tonnage brut les espaces non rentables tels que les salles des machines et les quartiers de l&#039;\u00e9quipage, en se concentrant sur l&#039;espace de chargement commercial du navire.<\/p>\n<h3>Pourquoi la distinction entre tonnage brut et tonnage net est-elle importante\u00a0?<\/h3>\n<p>Cette distinction est essentielle \u00e0 des fins r\u00e9glementaires. Le tonnage brut d\u00e9termine les effectifs requis et les r\u00e8gles de s\u00e9curit\u00e9. Le tonnage net, quant \u00e0 lui, sert au calcul des droits portuaires et des frais d&#039;immatriculation.<\/p>\n<h3>Quel est le lien entre le tonnage de port en lourd, le tonnage brut et le tonnage net\u00a0?<\/h3>\n<p><strong><a href=\"https:\/\/www.floating-fender.com\/fr\/quest-ce-que-le-tonnage-de-port-en-lourd\/\" target=\"_blank\" rel=\"noopener\">tonnage de poids mort<\/a><\/strong> Le tonnage brut mesure le poids total de la cargaison, du carburant et des provisions qu&#039;un navire peut transporter. Le tonnage brut et le tonnage net, quant \u00e0 eux, se concentrent sur le volume du navire\u00a0: le tonnage brut correspond \u00e0 l&#039;espace total clos, tandis que le tonnage net refl\u00e8te l&#039;espace utile pour la cargaison.<\/p>","protected":false},"excerpt":{"rendered":"<p>In the maritime industry, understanding the difference between gross tonnage and net tonnage is essential for vessel operations, classification, and regulatory compliance. While both terms measure a ship\u2019s capacity, they focus on different aspects of its volume. Gross tonnage refers to the total internal volume of a ship, while net tonnage specifically measures the volume [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5141,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[20],"tags":[],"class_list":["post-5277","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is the Difference Between Gross Tonnage and Net Tonnage? - Henger Shipping Supply<\/title>\n<meta name=\"description\" content=\"Gross tonnage refers to the total internal volume of a ship, while net tonnage specifically measures the volume available for cargo storage.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.floating-fender.com\/fr\/difference-entre-le-tonnage-brut-et-le-tonnage-net\/\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.floating-fender.com\\\/difference-between-gross-tonnage-and-net-tonnage\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.floating-fender.com\\\/difference-between-gross-tonnage-and-net-tonnage\\\/\"},\"author\":{\"name\":\"Miss. 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