{"id":1335,"date":"2026-08-03T22:00:51","date_gmt":"2026-08-03T19:00:51","guid":{"rendered":"https:\/\/www.printcenter.ro\/blog\/?p=1335"},"modified":"2026-08-24T05:26:48","modified_gmt":"2026-08-24T02:26:48","slug":"cum-sa-calculezi-grosimea-cotorului-unei-carti-si-cum-pregatesti-coperta-pentru-tipar","status":"publish","type":"post","link":"https:\/\/www.printcenter.ro\/blog\/cum-sa-calculezi-grosimea-cotorului-unei-carti-si-cum-pregatesti-coperta-pentru-tipar\/","title":{"rendered":"Cum s\u0103 calculezi grosimea cotorului unei c\u0103r\u021bi \u0219i cum preg\u0103te\u0219ti coperta pentru tipar"},"content":{"rendered":"<div id=\"model-response-message-contentr_838fb10898cedf7f\" class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content stronger\" dir=\"ltr\" aria-busy=\"false\" aria-live=\"polite\">\n<p data-path-to-node=\"3\">C\u00e2nd vine vorba de tip\u0103rirea unei c\u0103r\u021bi, a unui catalog sau a unei reviste cu legare bro\u0219at\u0103 (cu termoclei sau PUR), designul coper\u021bii aduce cu sine o provocare tehnic\u0103 esen\u021bial\u0103: <b data-path-to-node=\"3\" data-index-in-node=\"180\">calculul corect al cotorului<\/b>.<\/p>\n<p data-path-to-node=\"4\">Cotorul este partea lateral\u0103 a c\u0103r\u021bii, cea care une\u0219te coperta din fa\u021b\u0103 (Coperta 1) cu cea din spate (Coperta 4) \u0219i pe care, de obicei, este printat titlul \u0219i numele autorului. Dac\u0103 acest calcul este gre\u0219it, elementele grafice de pe cotor pot \u201efugi\u201d pe fa\u021ba sau pe spatele c\u0103r\u021bii, stric\u00e2nd \u00eentregul aspect profesional al publica\u021biei.<\/p>\n<p data-path-to-node=\"5\">Iat\u0103 cum s\u0103 determini dimensiunea exact\u0103 a cotorului \u0219i cum trebuie s\u0103 ne trimi\u021bi fi\u0219ierul pentru tipar.<\/p>\n<h2 data-path-to-node=\"7\">1. Formula de calcul pentru cotorul c\u0103r\u021bii<\/h2>\n<p data-path-to-node=\"8\">Grosimea cotorului nu depinde doar de num\u0103rul de pagini, ci \u0219i de grosimea real\u0103 a h\u00e2rtiei folosite. Aten\u021bie: gramajul h\u00e2rtiei (exprimat \u00een g\/m\u00b2) nu este acela\u0219i lucru cu grosimea colii (exprimat\u0103 \u00een milimetri\/microni).<\/p>\n<p data-path-to-node=\"9\">Formula de baz\u0103 este foarte simpl\u0103:<\/p>\n<blockquote data-path-to-node=\"10\">\n<p data-path-to-node=\"10,0\"><b data-path-to-node=\"10,0\" data-index-in-node=\"0\">Grosime Cotor (mm) = (Num\u0103rul total de pagini \u00f7 2) \u00d7 Grosimea unei coli de h\u00e2rtie (mm)<\/b><\/p>\n<\/blockquote>\n<p data-path-to-node=\"11\"><i data-path-to-node=\"11\" data-index-in-node=\"0\">Not\u0103: \u00cemp\u0103r\u021bim num\u0103rul de pagini la 2, deoarece o foaie de h\u00e2rtie (o fil\u0103) are dou\u0103 pagini (fa\u021b\u0103\/verso).<\/i><\/p>\n<p data-path-to-node=\"12\">Pentru a face acest calcul, trebuie s\u0103 \u0219tii grosimea aproximativ\u0103 a h\u00e2rtiei pe care o alegi. Iat\u0103 c\u00e2teva valori standard folosite frecvent \u00een tipar:<\/p>\n<ul data-path-to-node=\"13\">\n<li>\n<p data-path-to-node=\"13,0,0\"><b data-path-to-node=\"13,0,0\" data-index-in-node=\"0\">H\u00e2rtie offset 80 g\/m\u00b2<\/b> (specific\u0103 romanelor\/c\u0103r\u021bilor standard): ~ 0.10 mm<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"13,1,0\"><b data-path-to-node=\"13,1,0\" data-index-in-node=\"0\">H\u00e2rtie offset 90 g\/m\u00b2<\/b>: ~ 0.11 mm<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"13,2,0\"><b data-path-to-node=\"13,2,0\" data-index-in-node=\"0\">H\u00e2rtie dublu cretat\u0103 mat\u0103\/lucioas\u0103 130 g\/m\u00b2<\/b> (specific\u0103 revistelor\/cataloagelor): ~ 0.10 mm<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"13,3,0\"><b data-path-to-node=\"13,3,0\" data-index-in-node=\"0\">H\u00e2rtie de carte cu volum (Volum 1.5) 80 g\/m\u00b2<\/b>: ~ 0.12 mm<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"14\">Exemple practice:<\/h3>\n<p data-path-to-node=\"15\"><b data-path-to-node=\"15\" data-index-in-node=\"0\">Exemplul A: Un roman de 300 de pagini, tip\u0103rit pe h\u00e2rtie offset de 80 g\/m\u00b2<\/b><\/p>\n<ul data-path-to-node=\"16\">\n<li>\n<p data-path-to-node=\"16,0,0\">Calcul: (300 pagini \u00f7 2) \u00d7 0.10 mm<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"16,1,0\">150 file \u00d7 0.10 mm = <b data-path-to-node=\"16,1,0\" data-index-in-node=\"21\">15 mm<\/b><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"16,2,0\"><i data-path-to-node=\"16,2,0\" data-index-in-node=\"0\">Cotorul va avea exact 15 milimetri (1.5 cm).<\/i><\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"17\"><b data-path-to-node=\"17\" data-index-in-node=\"0\">Exemplul B: Un catalog de prezentare de 120 de pagini, tip\u0103rit pe h\u00e2rtie cretat\u0103 de 130 g\/m\u00b2<\/b><\/p>\n<ul data-path-to-node=\"18\">\n<li>\n<p data-path-to-node=\"18,0,0\">Calcul: (120 pagini \u00f7 2) \u00d7 0.10 mm<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"18,1,0\">60 file \u00d7 0.10 mm = <b data-path-to-node=\"18,1,0\" data-index-in-node=\"20\">6 mm<\/b><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"18,2,0\"><i data-path-to-node=\"18,2,0\" data-index-in-node=\"0\">Cotorul va avea 6 milimetri.<\/i><\/p>\n<\/li>\n<\/ul>\n<h2 data-path-to-node=\"20\">2. Cum trebuie trimis\u0103 coperta la tipar? (Format desf\u0103\u0219urat)<\/h2>\n<p data-path-to-node=\"21\">Cea mai frecvent\u0103 gre\u0219eal\u0103 este trimiterea coper\u021bii sub form\u0103 de pagini separate (fa\u021b\u0103, spate, cotor). Pentru ca o carte s\u0103 intre corect \u00een produc\u021bie, coperta trebuie trimis\u0103 \u00eentr-un singur fi\u0219ier, \u00een <b data-path-to-node=\"21\" data-index-in-node=\"201\">format desf\u0103\u0219urat (spread)<\/b>, de la st\u00e2nga la dreapta, exact \u00een ordinea \u00een care va fi tip\u0103rit\u0103 coala de carton:<\/p>\n<p data-path-to-node=\"22\"><b data-path-to-node=\"22\" data-index-in-node=\"0\">[ Coperta 4 (Spate) ] + [ Cotor ] + [ Coperta 1 (Fa\u021b\u0103) ]<\/b><\/p>\n<h3 data-path-to-node=\"23\">Cum calculezi dimensiunea fi\u0219ierului final?<\/h3>\n<p data-path-to-node=\"24\">S\u0103 lu\u0103m ca exemplu o carte \u00een format A5 standard (148 x 210 mm) care are un cotor de 10 mm calculat anterior.<\/p>\n<p data-path-to-node=\"25\"><b data-path-to-node=\"25\" data-index-in-node=\"0\">Pasul 1: Dimensiunea net\u0103 (finit\u0103) a coper\u021bii desf\u0103\u0219urate<\/b><\/p>\n<ul data-path-to-node=\"26\">\n<li>\n<p data-path-to-node=\"26,0,0\"><b data-path-to-node=\"26,0,0\" data-index-in-node=\"0\">L\u0103\u021bime total\u0103:<\/b> 148 mm (Spate) + 10 mm (Cotor) + 148 mm (Fa\u021b\u0103) = <b data-path-to-node=\"26,0,0\" data-index-in-node=\"64\">306 mm<\/b><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"26,1,0\"><b data-path-to-node=\"26,1,0\" data-index-in-node=\"0\">\u00cen\u0103l\u021bime total\u0103:<\/b> R\u0103m\u00e2ne \u00een\u0103l\u021bimea c\u0103r\u021bii = <b data-path-to-node=\"26,1,0\" data-index-in-node=\"43\">210 mm<\/b><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"26,2,0\"><i data-path-to-node=\"26,2,0\" data-index-in-node=\"0\">Dimensiunea net\u0103 a fi\u0219ierului t\u0103u va fi de 306 x 210 mm.<\/i><\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"27\"><b data-path-to-node=\"27\" data-index-in-node=\"0\">Pasul 2: Ad\u0103ugarea Bleed-ului (Marginea de t\u0103iere)<\/b><\/p>\n<p data-path-to-node=\"27\">Niciun fi\u0219ier nu pleac\u0103 la tipar f\u0103r\u0103 <i data-path-to-node=\"27\" data-index-in-node=\"89\">bleed<\/i>. Acesta reprezint\u0103 prelungirea fundalului grafic \u00een afara formatului finit, pentru a evita apari\u021bia unor margini albe inestetice dup\u0103 t\u0103ierea la ghilotin\u0103. La PrintCenter.ro, solicit\u0103m un <b data-path-to-node=\"27\" data-index-in-node=\"283\">bleed de 3 mm pe tot conturul<\/b>.<\/p>\n<p data-path-to-node=\"27\">Dac\u0103 vrei s\u0103 aprofundezi subiectul, te invit\u0103m s\u0103 cite\u0219ti articolul nostru dedicat: <a class=\"ng-star-inserted\" href=\"https:\/\/www.printcenter.ro\/blog\/ce-este-bleed-ul\/\" target=\"_blank\" rel=\"noopener\" data-hveid=\"0\" data-ved=\"0CAAQ_4QMahgKEwicyajko4SWAxUAAAAAHQAAAAAQ-wE\">Ce este bleed-ul \u0219i de ce este esen\u021bial \u00een tipar<\/a>.<\/p>\n<p data-path-to-node=\"28\">Calculul final cu bleed ad\u0103ugat pentru exemplul nostru devine:<\/p>\n<ul data-path-to-node=\"29\">\n<li>\n<p data-path-to-node=\"29,0,0\"><b data-path-to-node=\"29,0,0\" data-index-in-node=\"0\">L\u0103\u021bime cu bleed:<\/b> 306 mm + 3 mm (st\u00e2nga) + 3 mm (dreapta) = <b data-path-to-node=\"29,0,0\" data-index-in-node=\"59\">312 mm<\/b><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"29,1,0\"><b data-path-to-node=\"29,1,0\" data-index-in-node=\"0\">\u00cen\u0103l\u021bime cu bleed:<\/b> 210 mm + 3 mm (sus) + 3 mm (jos) = <b data-path-to-node=\"29,1,0\" data-index-in-node=\"54\">216 mm<\/b><\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"30\"><b data-path-to-node=\"30\" data-index-in-node=\"0\">Fi\u0219ierul final (PDF-ul) pe care ni-l trimi\u021bi va avea exact 312 x 216 mm.<\/b><\/p>\n<h2 data-path-to-node=\"32\">3. Reguli de aur pentru grafica pe cotor<\/h2>\n<ul data-path-to-node=\"33\">\n<li>\n<p data-path-to-node=\"33,0,0\"><b data-path-to-node=\"33,0,0\" data-index-in-node=\"0\">Marja de siguran\u021b\u0103:<\/b> Evit\u0103 s\u0103 plasezi text (titlul, numele autorului) extrem de aproape de marginile cotorului. Las\u0103 un spa\u021biu de siguran\u021b\u0103 de cel pu\u021bin 1.5 &#8211; 2 mm pe fiecare latur\u0103 a cotorului. \u00cen procesul de f\u0103l\u021buire (\u00eendoire), pot exista toleran\u021be de 1 milimetru mecanice.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"33,1,0\"><b data-path-to-node=\"33,1,0\" data-index-in-node=\"0\">Cotoare foarte sub\u021biri:<\/b> Dac\u0103 publica\u021bia ta are sub 40 de pagini (cotor sub 2-3 mm), \u00ee\u021bi recomand\u0103m s\u0103 evi\u021bi textul pe cotor, deoarece va fi aproape ilizibil \u0219i foarte greu de centrat perfect.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"33,2,0\"><b data-path-to-node=\"33,2,0\" data-index-in-node=\"0\">Formate acceptate:<\/b> Pentru cele mai bune rezultate, export\u0103 coperta \u00een format PDF (High Quality Print \/ Press Quality), cu fonturile convertite la curbe \u0219i profilul de culoare CMYK.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"34\">Pentru un ghid complet despre exportul documentelor din programele de grafic\u0103, nu rata articolul nostru: <a class=\"ng-star-inserted\" href=\"https:\/\/www.printcenter.ro\/blog\/pregatirea-fisierelor-pentru-tipar\/\" target=\"_blank\" rel=\"noopener\" data-hveid=\"0\" data-ved=\"0CAAQ_4QMahgKEwicyajko4SWAxUAAAAAHQAAAAAQ_AE\">Preg\u0103tirea fi\u0219ierelor pentru tipar &#8211; Sfaturi esen\u021biale<\/a>.<\/p>\n<p data-path-to-node=\"35\"><i data-path-to-node=\"35\" data-index-in-node=\"0\">Ai neclarit\u0103\u021bi cu privire la calculul cotorului pentru viitoarea ta carte? Echipa PrintCenter.ro \u00ee\u021bi st\u0103 la dispozi\u021bie pentru consultan\u021b\u0103 \u0219i template-uri personalizate la dimensiunile proiectului t\u0103u!<\/i><\/p>\n<\/div>\n<p><!-- pc-related-links --><\/p>\n<h3>Cite\u0219te \u0219i<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.printcenter.ro\/blog\/pregatirea-fisierelor-pentru-tipar\/\">Preg\u0103tirea fi\u0219ierelor pentru tipar \u2013 Ghid complet \u0219i actualizat 2026<\/a><\/li>\n<li><a href=\"https:\/\/www.printcenter.ro\/blog\/cum-sa-exporti-corect-din-adobe-illustrator-in-pdf-x-1a-pentru-tipar-ghid-pas-cu-pas-2026\/\">Cum s\u0103 exporti corect din Adobe Illustrator \u00een PDF\/X-1a pentru tipar \u2013 Ghid pas cu pas 2026<\/a><\/li>\n<li><a href=\"https:\/\/www.printcenter.ro\/blog\/cum-sa-pregatesti-grafica-pentru-o-revista-brosura-sau-catalog-capsat\/\">Cum s\u0103 preg\u0103te\u0219ti grafica pentru o revist\u0103, bro\u0219ur\u0103 sau catalog capsat<\/a><\/li>\n<\/ul>\n<p><!-- pc-standard-footer --><\/p>\n<hr \/>\n<h2>Ai nevoie de tipar profesional?<\/h2>\n<p>La <strong>Printcenter<\/strong> tip\u0103rim digital \u0219i offset, accept\u0103m tiraje mici (chiar \u0219i un singur exemplar) \u0219i livr\u0103m prin curier \u00een toat\u0103 Rom\u00e2nia. <a href=\"https:\/\/www.printcenter.ro\/pagina-contact.html\">Cere o ofert\u0103<\/a> sau <a href=\"https:\/\/www.printcenter.ro\/\">comand\u0103 online<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e2nd vine vorba de tip\u0103rirea unei c\u0103r\u021bi, a unui catalog sau a unei reviste cu legare bro\u0219at\u0103 (cu termoclei sau PUR), designul coper\u021bii aduce cu sine o provocare tehnic\u0103 esen\u021bial\u0103: calculul corect al cotorului. Cotorul este partea lateral\u0103 a c\u0103r\u021bii, cea care une\u0219te coperta din fa\u021b\u0103 (Coperta 1) cu cea din spate (Coperta 4) \u0219i [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1524,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[36,643,252,650,649],"class_list":["post-1335","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips","tag-bleed","tag-cotor-carte","tag-pregatire-fisiere-tipar","tag-print-offset-si-digital","tag-tipar-carte"],"_links":{"self":[{"href":"https:\/\/www.printcenter.ro\/blog\/wp-json\/wp\/v2\/posts\/1335","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.printcenter.ro\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.printcenter.ro\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.printcenter.ro\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.printcenter.ro\/blog\/wp-json\/wp\/v2\/comments?post=1335"}],"version-history":[{"count":3,"href":"https:\/\/www.printcenter.ro\/blog\/wp-json\/wp\/v2\/posts\/1335\/revisions"}],"predecessor-version":[{"id":1398,"href":"https:\/\/www.printcenter.ro\/blog\/wp-json\/wp\/v2\/posts\/1335\/revisions\/1398"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.printcenter.ro\/blog\/wp-json\/wp\/v2\/media\/1524"}],"wp:attachment":[{"href":"https:\/\/www.printcenter.ro\/blog\/wp-json\/wp\/v2\/media?parent=1335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.printcenter.ro\/blog\/wp-json\/wp\/v2\/categories?post=1335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.printcenter.ro\/blog\/wp-json\/wp\/v2\/tags?post=1335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}