Calculate rainwater harvest, savings, and tank size
Calculate annual rainwater harvest in liters or gallons using catchment area and depth. Input units can be customized with decimal precision. Copy results to other apps and access formula references for accurate calculations.
by Tan Chia Ling★ 5.01 ratingsProductivity$2.99Data updated 2026-09-16
The app provides tools for creating sketches, doodles, drawings, and notes. It includes features like sketch paper, color pencils, erasers, a magnifying glass, smudge finger, and water blur.
Monitors water levels using sensors placed in vulnerable areas. Sends alerts when water is detected. Automatically closes connected valves to prevent damage. Allows users to check status and control settings through the .