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
Monitor underwater fish activity with real-time sonar data. Track fish location, size, and depth up to 40 meters. Display water temperature, depth, and topographic maps. Share sonar data via mobile device.
Set temperature, track water heat, schedule heating
Control water temperature remotely from any location. View current temperature and shower availability. Schedule heating times and estimate heating duration. Monitor energy usage and adjust settings for efficient operation.
