{"id":595,"date":"2026-10-16T11:06:52","date_gmt":"2026-10-16T11:06:52","guid":{"rendered":"https:\/\/www.lacompta.org\/?page_id=595"},"modified":"2026-10-16T17:22:11","modified_gmt":"2026-10-16T15:22:11","slug":"lc-050904a144488644d425","status":"publish","type":"page","link":"https:\/\/www.lacompta.org\/vocabulaire\/vocabulaire-comptabilite-u\/unite-d-inventaire.php","title":{"rendered":"Unit\u00e9 d\u2019inventaire : quantit\u00e9, article et coh\u00e9rence du suivi"},"content":{"rendered":"<div class=\"lc-lexicon-page\">\n<h1>Unit\u00e9 d\u2019inventaire : quantit\u00e9, article et coh\u00e9rence du suivi<\/h1>\n<p><strong>Une unit\u00e9 d\u2019inventaire est l\u2019unit\u00e9 retenue pour d\u00e9nombrer et suivre un article dans une nomenclature.<\/strong> Elle permet de relier les quantit\u00e9s physiques aux mouvements et \u00e0 la valorisation.<\/p>\n<p>La pi\u00e8ce, le kilogramme, le litre ou le m\u00e8tre peuvent \u00eatre choisis selon le bien. Cette unit\u00e9 doit rester distincte de l\u2019unit\u00e9 d\u2019achat ou de conditionnement lorsque celles-ci diff\u00e8rent. Les conversions doivent \u00eatre explicites pour \u00e9viter les erreurs de quantit\u00e9.<\/p>\n<blockquote class=\"lc-lexicon-summary\">\n<p><strong>Rep\u00e8res sur unit\u00e9 d\u2019inventaire<\/strong><\/p>\n<ul>\n<li>Unit\u00e9 d\u2019achat : Conditionnement factur\u00e9.<\/li>\n<li>Unit\u00e9 d\u2019inventaire : Mesure du <a href=\"\/vocabulaire\/vocabulaire-comptabilite-s\/stocks.php\">stock<\/a>.<\/li>\n<\/ul>\n<\/blockquote>\n<div class=\"lc-lexicon-toc-container\"><nav class=\"lc-lexicon-toc\" aria-label=\"Sommaire de la page\"><details open><summary>Dans cette page<\/summary><ol><li><a href=\"#definition-et-fonctionnement\">D\u00e9finition et fonctionnement<\/a><\/li><li><a href=\"#les-reperes-a-distinguer\">Les rep\u00e8res \u00e0 distinguer<\/a><\/li><li><a href=\"#exemple-pratique\">Exemple pratique<\/a><\/li><li><a href=\"#points-de-controle\">Points de contr\u00f4le<\/a><\/li><li><a href=\"#mini-faq\">Mini FAQ<\/a><\/li><\/ol><\/details><\/nav><\/div>\n<h2 id=\"definition-et-fonctionnement\">D\u00e9finition et fonctionnement<\/h2>\n<p>Le suivi exige une r\u00e9f\u00e9rence d\u2019article stable et une r\u00e8gle pour les lots, les fractions et les arrondis. Un changement d\u2019unit\u00e9 ne doit pas appara\u00eetre comme une variation \u00e9conomique du stock. La valorisation doit utiliser un <a href=\"\/vocabulaire\/couts.php\">co\u00fbt<\/a> exprim\u00e9 dans la m\u00eame unit\u00e9.<\/p>\n<p>Le <a href=\"\/vocabulaire\/vocabulaire-comptabilite-c\/cycle-d-exploitation.php\">cycle d\u2019exploitation<\/a> relie les achats, les stocks, les ventes et les r\u00e8glements. Les montants comptabilis\u00e9s et les flux de <a href=\"\/vocabulaire\/vocabulaire-comptabilite-b\/banque.php\">banque<\/a> peuvent se produire \u00e0 des dates diff\u00e9rentes. Le suivi des quantit\u00e9s, des <a href=\"\/vocabulaire\/creances.php\">cr\u00e9ances<\/a> et des <a href=\"\/vocabulaire\/dette.php\">dettes<\/a> aide \u00e0 expliquer le <a href=\"\/outils\/bfr\/\">besoin en fonds de roulement<\/a> plut\u00f4t qu\u2019\u00e0 lire chaque solde isol\u00e9ment.<\/p>\n<hr>\n<h2 id=\"les-reperes-a-distinguer\">Les rep\u00e8res \u00e0 distinguer<\/h2>\n<div class=\"lc-lexicon-table\">\n<table>\n<caption>Les rep\u00e8res \u00e0 distinguer<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">Rep\u00e8re<\/th>\n<th scope=\"col\">Lecture comptable<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Unit\u00e9 d\u2019achat<\/th>\n<td>Conditionnement factur\u00e9<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Unit\u00e9 d\u2019inventaire<\/th>\n<td>Mesure du stock<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Conversion<\/th>\n<td>Lien entre les deux unit\u00e9s<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 id=\"exemple-pratique\">Exemple pratique<\/h2>\n<p>Un fournisseur facture dix cartons de douze pi\u00e8ces. Si l\u2019inventaire est tenu \u00e0 la pi\u00e8ce, l\u2019entr\u00e9e repr\u00e9sente 120 unit\u00e9s. Un co\u00fbt de 24 euros par carton correspond \u00e0 2 euros par pi\u00e8ce dans cet exemple, hors autres co\u00fbts.<\/p>\n<blockquote><p>Une quantit\u00e9 en cartons ne peut pas \u00eatre multipli\u00e9e directement par un co\u00fbt par pi\u00e8ce sans conversion pr\u00e9alable.<\/p><\/blockquote>\n<h2 id=\"points-de-controle\">Points de contr\u00f4le<\/h2>\n<ul>\n<li>Pr\u00e9ciser l\u2019unit\u00e9 de chaque article.<\/li>\n<li>Documenter les conversions.<\/li>\n<li>Contr\u00f4ler la coh\u00e9rence quantit\u00e9 et co\u00fbt unitaire.<\/li>\n<\/ul>\n<hr>\n<h2 id=\"mini-faq\">Mini FAQ<\/h2>\n<h3>Une unit\u00e9 d\u2019inventaire est-elle une unit\u00e9 d\u2019\u0153uvre ?<\/h3>\n<p>Non. La premi\u00e8re sert au suivi des articles ; la seconde mesure l\u2019activit\u00e9 d\u2019un centre pour imputer des co\u00fbts.<\/p>\n<h3>Une unit\u00e9 peut-elle changer en cours d\u2019ann\u00e9e ?<\/h3>\n<p>Un changement peut \u00eatre organis\u00e9, mais il doit \u00eatre trac\u00e9 et converti pour conserver des mouvements et des comparaisons coh\u00e9rents.<\/p>\n<h3>Pourquoi le calendrier des r\u00e8glements compte-t-il ?<\/h3>\n<p>Un co\u00fbt ou un produit peut \u00eatre reconnu avant son paiement. Les d\u00e9lais clients et fournisseurs modifient le besoin de tr\u00e9sorerie sans changer automatiquement la <strong>nature de l\u2019op\u00e9ration<\/strong>. Les \u00e9ch\u00e9ances r\u00e9elles doivent \u00eatre rapproch\u00e9es des pr\u00e9visions.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Unit\u00e9 d\u2019inventaire : quantit\u00e9, article et coh\u00e9rence du suivi Une unit\u00e9 d\u2019inventaire est l\u2019unit\u00e9 retenue pour d\u00e9nombrer et suivre un [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"class_list":["post-595","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.lacompta.org\/index.php?rest_route=\/wp\/v2\/pages\/595","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lacompta.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.lacompta.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.lacompta.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lacompta.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=595"}],"version-history":[{"count":2,"href":"https:\/\/www.lacompta.org\/index.php?rest_route=\/wp\/v2\/pages\/595\/revisions"}],"predecessor-version":[{"id":1134,"href":"https:\/\/www.lacompta.org\/index.php?rest_route=\/wp\/v2\/pages\/595\/revisions\/1134"}],"wp:attachment":[{"href":"https:\/\/www.lacompta.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}