Reservoir Inflows Calculator

Calculate Reservoir Inflows And Interpolate Storage Capacity Quickly.

Reservoir Inflows Calculator is a specialised engineering utility designed for water resources professionals, irrigation engineers, dam operators, hydrology students, and field officers involved in reservoir monitoring and management. The app converts complex hydrological calculations into a simple, reliable, and field-ready solution that works efficiently even in low-connectivity environments.

⏱️ Flexible Time-Based Inflow Calculations

A key strength of this app is its ability to calculate reservoir inflows over different operational time intervals, making it suitable for both real-time decision-making and routine reporting.

🔹 Hourly Inflows (1 Hour Interval)
This mode supports real-time reservoir operation, flood monitoring, and emergency response. The app evaluates the change in storage over one hour and combines it with measured outflows to determine short-term inflow behaviour during rainfall events or rapid gate operations.

🔹 3-Hourly Inflows (3 Hours Interval)
The 3-hourly option is useful for intermediate monitoring and operational reviews. It balances short-term variations while capturing meaningful inflow trends, commonly used for shift-based reservoir supervision.

🔹 Daily Inflows (24 Hours Interval)
The daily inflow mode is best suited for official records, reporting, and long-term analysis. By accounting for storage variation over a full day along with total outflows, it provides a stable inflow value used in water balance studies, irrigation planning, and seasonal assessments.

Each interval automatically applies appropriate conversion factors, ensuring accurate and consistent results without manual calculations.

💧 Intelligent Unit Handling

The app supports commonly used storage units such as TMC, Mcft / MC, MCM, and TCM, along with discharge units like Cusecs and Cumecs 🔄.
All unit conversions are handled automatically, reducing errors and saving valuable time.

🧮 Step-by-Step Transparent Calculations

After every inflow calculation, the app displays:
✅ Change in storage
✅ Storage-to-discharge conversion
✅ Final inflow using the continuity equation

This transparent approach improves result verification and supports learning for junior engineers and students.

📈 Storage Capacity Interpolation Tool

The built-in Storage Capacity Interpolation feature 📊 helps users determine intermediate capacity values between two known elevation–capacity points using linear interpolation. This tool is especially useful for reservoir capacity assessment, elevation–storage curve analysis, and survey data interpretation. All formulas and intermediate steps are clearly shown.

🛠️ Designed for Field & Office Use

✨ Clean and distraction-free interface
✨ Input validation to prevent errors
✨ Instant copy of results for reporting
✨ Dark theme for reduced eye strain

The app is suitable for irrigation departments, dam safety organisations, consulting engineers, academic institutions, and students in water resources disciplines.

🔐 Data & Privacy

🔒 The app does not collect or store any personal or engineering data.
📱 All calculations are performed locally on the device.
📢 Google AdMob is used for advertisements and may collect limited device-related data as per Google’s policies. No user-entered data is shared.

🚀 Final Note

Reservoir Inflows Calculator is a practical, accurate, and field-tested tool that simplifies reservoir inflow assessment. With support for hourly, 3-hourly, and daily inflows, along with a reliable storage capacity interpolation tool, it enables quick and error-free calculations for both professionals and students.

📲 Download this app now and simplify your reservoir inflow calculations.
🤝 Share it with irrigation engineers, water resources professionals, and students to support accurate analysis and efficient reservoir management.