# 測量

**測量**工具位於[工具列](/zh-tw/formit-introduction/tool-bars.md)上。

您可以使用**測量**工具來測量模型中的既有幾何圖形。您也可以使用**測量**工具對幾何圖形指定尺寸。

1. 選取 **「測量」** 工具。
2. 選取兩點以測量它們之間的距離。
3. 選取要調整的面或邊，按一下顯示的值，然後在顯示的對話方塊中加入新值。

![](/files/x51BsZcbPZxBuDiUeVPj)\
![](/files/WiTB2F0XYVO5N0n8eVP1)\
![](/files/V58jWzVSvl2g6hhLAk74)


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