線上尺子
螢幕上的釐米和英寸尺子，可用銀行卡校準。
在您的瀏覽器中執行。您的檔案不會離開裝置。 瞭解如何驗證
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使用方法
- 1選擇設定
填寫資訊或選擇您需要的選項。
- 2檢視結果
更改任何內容時，預覽會立即更新。
- 3下載或儲存
將結果儲存到您的裝置。不會向伺服器傳送或儲存任何內容。
About this tool
Measure small objects with your screen. The ruler shows centimetres or inches in the browser. Because every screen is different, you can calibrate it once with a bank card (85.6 mm wide) and the setting is remembered on your device. It is a handy guide, not a precision instrument.
When to use it
Measure small objects with an on-screen ruler in centimetres and inches, after calibrating it to your screen with a card.
Tips
Calibrate with a bank card, which is 85.6 mm wide, for a good match.
Privacy
Everything runs in your browser, so your data is not uploaded or stored.
獲得最佳結果的提示
開始之前請花一點時間閱讀選項，並先用一個小例子試用工具。一切都在您裝置的瀏覽器中執行；您輸入或新增的任何內容都不會被上傳，關閉標籤頁會清除所有內容。如果看起來不對，請重新整理頁面重試，或使用本頁的報告連結告訴我們出了什麼問題。如果結果仍然看起來不對，請每次只更改一個值，看看哪個輸入影響最大。如果您還會再用，請收藏此頁。
要點
- 分類: 日常工具
- 在瀏覽器中執行，無需註冊，無需上傳。
- 您輸入的資訊保留在裝置上。
- 提供多種語言。
- 內容最後稽核日期:
常見問題
How accurate is it?
After calibration it is usually within a millimetre or two. Browser zoom changes the size, so keep zoom at 100 percent.
How do I calibrate it?
Press Calibrate, hold a bank card to the screen and drag the slider until the blue box is the same size, then save.
Is it accurate?
Yes after calibration. Screens differ in size.
Can I measure in inches?
Yes, both cm and inches are shown.