[{"data":1,"prerenderedAt":53},["ShallowReactive",2],{"faq-doc-workflow-what-dpi-for-print":3},{"id":4,"title":5,"answer":6,"body":7,"canonical":32,"category":33,"description":34,"draft":35,"extension":36,"faqRefs":37,"h1":38,"meta":39,"navigation":40,"path":41,"published":40,"question":5,"relatedTools":42,"robots":46,"seo":47,"slug":48,"stem":49,"summary":50,"updatedAt":51,"__hash__":52},"faqs\u002Ffaqs\u002Fwhat-dpi-for-print.md","打印照片一般用多少 DPI？","常见打印场景通常按 300 DPI 准备；如果相馆或打印系统有明确要求，以对方给出的 DPI 为准，不要只改数字而不核对像素。",{"type":8,"value":9,"toc":25},"minimark",[10,15,19,22],[11,12,14],"h2",{"id":13},"先分清像素和-dpi","先分清像素和 DPI",[16,17,18],"p",{},"DPI 更接近打印声明，像素才决定清晰度边界。只把 72 改成 300，并不会凭空增加细节。",[11,20,21],{"id":21},"怎么处理更稳妥",[16,23,24],{},"如果打印方已经给了厘米尺寸和 DPI，先根据尺寸换算像素，再检查输出文件是否匹配。",{"title":26,"searchDepth":27,"depth":27,"links":28},"",3,[29,31],{"id":13,"depth":30,"text":14},2,{"id":21,"depth":30,"text":21},null,"workflow","说明打印照片常见 DPI 要求，以及 DPI、尺寸和像素之间的关系。",false,"md",[],"打印照片一般用多少 DPI",{},true,"\u002Ffaqs\u002Fwhat-dpi-for-print",[43,44,45],"change-dpi","change-size","photo-sheet","index,follow",{"title":5,"description":34,"robots":46},"what-dpi-for-print","faqs\u002Fwhat-dpi-for-print","常见打印场景通常按 300 DPI 准备，但仍要同时检查实际像素尺寸。","2026-04-20","9ah0zu2l8elUxV6csGKdMwLQTVPROQmKy3i_BzFyKDI",1776668992802]