Start with the shape, then add the measurements. Default to US gallons or switch to metric.
Volume is an estimate. Photos cannot measure underwater depth. Verify waterline dimensions and actual depths before chemical dosing. Live depth sensing is available only on supported devices and browsers; an iPhone browser does not expose its LiDAR camera through normal camera access.
Capture a straight-down view with a physically measured reference. An angled photo is not a reliable area measurement. Enter actual water depths below.
Tap both ends of a known length.
This rectangular area is inside the traced or measured waterline. Its shallower water replaces the average depth for that area.
Rectangle area X × Y, multiplied by average depth (A + B) ÷ 2.
Use inside dimensions at the waterline. A and B represent an even depth slope; for a flat floor, enter the same depth twice. For irregular floors, stairs or curved freeform pools, divide into measured sections or use builder specifications. This is a geometric estimate.
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