Swale Calculator by Permaculturereflections.com

Welcome to our online swale spacing calculator. Swale spacing has been a perennial question in permaculture. This calculator turns the problem on its head and gives you the best estimate for spacing based on swale size.

Why calculate spacing?

Installing swales costs time, energy, and money. Over-installation of swales is a waste of resources. Under-installation is a missed opportunity. If you want to have an optimal system, you’ll need to calculate spacing. The good news is that now it’s easy with our calculator!

How to use this calculator

1. You will need to calculate the cross sectional area of your swale in m2. This number is the area occupied by water when the swale is full.........