[{"data":1,"prerenderedAt":78},["ShallowReactive",2],{"z-page-content:tw:pixel-converter":3},{"code":4,"data":5},200,{"locale":6,"fallbackLocale":7,"page":8,"seo":9,"breadcrumbs":14,"howToUse":22,"sizeGuide":41,"featureLinkPills":41,"relatedTools":42,"faq":54},"tw","en","pixel-converter",{"title":10,"description":11,"h1":12,"robots":13},"像素換算公分工具｜免費線上 px 轉 cm／mm／英吋／英尺，支援 DPI","免費線上像素換算公分工具，支援像素與公分、毫米、英吋、英尺雙向轉換，可自訂 DPI 解析度。快速完成像素轉公分、公分轉像素與圖片列印尺寸換算，結果精準、操作簡單。","像素換算公分｜免費線上 px 與 cm／mm／英吋／英尺轉換工具","index, follow",[15,19],{"title":16,"link":17,"href":18},"首頁","","\u002Ftw\u002F",{"title":20,"link":8,"href":21},"像素換算器","\u002Ftw\u002Fpixel-converter\u002F",{"title":23,"steps":24},"如何使用像素換算工具",[25,29,33,37],{"icon":26,"title":27,"text":28},"swap-vertical","選擇換算方式","選擇「像素 → 實體單位」或「實體單位 → 像素」，也可以直接套用常見裝置尺寸預設。",{"icon":30,"title":31,"text":32},"spec","設定 DPI \u002F PPI","選擇 72、96、150、300 DPI 快捷值，或輸入自訂 DPI 來符合網頁、螢幕、列印或印刷情境。",{"icon":34,"title":35,"text":36},"calculator","輸入寬高並查看結果","填寫像素或實體尺寸，結果表會即時顯示 px、cm、mm、inch、ft 等單位的對應數值。",{"icon":38,"title":39,"text":40},"eye","預覽比例並複製結果","查看尺寸預覽、比例、公分尺寸與目前 DPI，需要記錄時可一鍵複製換算結果。",null,{"title":43,"items":44},"相關工具",[45,48,51],{"title":46,"link":47},"證件照尺寸修改","id-photo-resizer",{"title":49,"link":50},"長度換算工具","length",{"title":52,"link":53},"英吋換算公分","length\u002Finch-to-cm",{"title":55,"items":56},"FAQ",[57,60,63,66,69,72,75],{"title":58,"content":59},"像素怎麼換算成公分？","像素換算成公分時，需要知道圖片的 DPI\u002FPPI。常用公式是「公分 = 像素 ÷ DPI × 2.54」。輸入像素寬高和 DPI 後，工具會自動換算出對應的公分尺寸。",{"title":61,"content":62},"公分可以換算成像素嗎？","可以。輸入公分尺寸並設定 DPI 後，就可以換算出對應的像素寬高。這很適合用在圖片製作、畫布設定、列印尺寸確認和上傳規格檢查。",{"title":64,"content":65},"為什麼像素轉公分一定要用 DPI？","因為像素是數位單位，公分是實體尺寸單位，兩者之間必須透過 DPI 才能正確換算。沒有 DPI，就無法準確知道圖片實際列印出來會有多大。",{"title":67,"content":68},"1 像素等於幾公分？","1 像素不是固定等於某個公分數，因為它會受到 DPI 影響。例如 300 DPI 時，1 像素約等於 0.00847 公分；72 DPI 時，1 像素約等於 0.03528 公分。",{"title":70,"content":71},"圖片列印前為什麼要先做像素公分換算？","因為螢幕看到的像素尺寸，不等於實際印出來的尺寸。先把像素換算成公分，可以確認圖片列印後的寬高是否符合需求，避免尺寸過大或過小。",{"title":73,"content":74},"可以把像素換算成 mm 或英吋嗎？","可以。本工具支援像素與公分、mm、英吋、英尺之間的換算，也可以反向輸入實體尺寸換算成像素。",{"title":76,"content":77},"300 DPI 適合用來換算列印尺寸嗎？","多數照片列印和印刷情境常用 300 DPI 作為參考，但實際要求仍要依照列印店、平台或文件規格為準。如果只是螢幕顯示，可能會使用 72 或 96 DPI。",1785375799076]