实用工具可以使用
计算空间面积
用明确尺寸计算矩形、三角形或圆形的面积，单位为平方英尺和平方米。
交互式工具区
无需注册账号The calculation runs locally using browser APIs; it does not require uploading measurements. Optional analytics and advertising have separate consent and privacy disclosures. Avoid sensitive inputs.
- Area in square feet
- 120 ft²
- Area in square metres
- 11.1483648 m²
Rectangle = length × width; triangle = base × perpendicular height / 2; circle = pi × (diameter / 2)². Split irregular plans into shapes and handle overlaps separately.