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
Capture structured data for projects with categories like Structural, Electrical, and Roof. Assign tasks based on user roles. Generate PDF reports on-site. Report bugs and provide feedback via email.
Calculate pump output, MASP, GOR, and tank strapping with unit selectors and input validation. Access Drilling, Production, Reservoir, and Terminal/Trading modules. Retrieve step-by-step formulas, unit conversions, and context summaries.