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 weather data from connected stations and sensors. View temperature, humidity, wind speed, and rainfall. Track air quality and indoor conditions. Control thermostats and valves remotely. Receive real-time updates and historical data.
Track liquid inventory with real-time data from a remote dashboard. Set custom alerts for tank levels and usage patterns. Monitor multiple tanks and receive notifications for critical changes.
Perform alcohol by volume calculations and true proof conversions. Adjust spirit proof by volume or weight. Calculate alcohol characteristics by volume or weight. Set global units for metric or standard, proof or ABV, and specific gravity or brix.
Create a calming audio environment to block distractions or aid sleep. Play continuous, melody-free sounds that fade out automatically. Use built-in iPhone speakers or headphones. Adjust volume and set fade-out timers.
Provides ambient sounds like white , flowing water, rain, and ocean waves. Includes a sleep timer to stop playback after a set duration. Allows continuous playback throughout the night. No large file size for quick access.