Rainfall Collection Calculator

Input the length of the collection area length, Width and amount in meters, and feets.


Total Collected Water:

0 liters

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In the world of sustainability and conservation, every drop of water counts. That’s where the “Rainfall Collection Calculator” comes in handy. This tool is your go-to solution for calculating the amount of rainfall you can collect, helping you make the most of nature’s resources.

What is rainfall collection?

Rainfall collection, also known as rainwater harvesting, is a practice that involves collecting and storing rainwater for later use. This could be for watering plants, flushing toilets, or even drinking, with proper treatment. It’s a simple yet effective way to conserve water and reduce your environmental footprint.

About this rainfall collection calculator, and how does it work?

This rainfall collection calculator is a free online tool designed to help you estimate the amount of rainwater you can collect. Whether you’re a homeowner looking to reduce your water bill, a farmer needing to irrigate crops, or a survivalist preparing for the unexpected, this tool is for you.

First, input the length, width, and amount of your collection area, either in meters or feet, to calculate the total area. The tool then calculates the amount of rainwater in litters, and also creating a simple graph for better understanding.


Free & Online

Every service is free of cost, user-friendly, and always available online.


Our tools are fast and completed the provided task as soon as possible.


We are not uploading your files to the server. The operation will be done on your browser.


Use our service without any restrictions for unlimited times. No need and technical knowledge.