Design Smarter Water Systems – From Catchment to Storage

Whether you're managing a homestead, designing a rainwater harvesting system, or working in land and water engineering, this Water Retention Calculator is your all-in-one toolkit for water planning, storage, and movement.

?️ Key Features:

Rain Catchment Calculator
Calculate runoff from rectangular, triangular, and circular surfaces.

Cistern Sizing Calculator
Plan for storm events or long droughts to meet your storage needs.

Tank Capacity Calculator
Find volume of cylindrical or rectangular tanks with ease.

Water Pressure & Weight Calculator
Understand gravity-fed water pressure and total weight.

Embankment Calculator
Advanced earthwork calculations for dam or pond embankments.

Slope Calculator
Get slope as a percentage, angle, or ratio.

Soil Type Calculator
Classify soil using USDA texture triangle methods.

Acre-Feet Calculator
Calculate large water volumes—perfect for ponds, basins, and irrigation systems.

? Enhanced Spreadsheet Tools:

Value Sharing System
Seamlessly reuse results across calculators—no retyping.

Imperial & Metric Units
Switch between unit systems on the fly.

Responsive Design
Optimized for desktop, tablet, and mobile use.

Modern UI
A clean, intuitive interface for professional workflows.

Built-in References
Coefficients, formulas, and visual aids included.

One-Click Copying
Quickly copy results to clipboard for reporting or further analysis.

⚙️ Professional Enhancements:

Real-Time Calculations
See results instantly as you enter data.

Helpful Error Handling
Get clear, specific input guidance.

Formula Transparency
View the equations behind your results.

Visual Clarity
Highlights, formatting, and clear sections keep things organized.