# Soil Water Storage Calculator Estimate root zone available water and refill volume from soil measurements. [Open this tool](https://whatson.pk/gardening-soil-water-calculator/) Category: Gardening The root zone can store available water only within the soil's measured capacity. Enter suitable field capacity, wilting point and rooting depth values. Compare available storage with the chosen refill basis. ## Inputs and controls * Field capacity by volume (%). Allowed range: 0.01 to 100 * Wilting point by volume (%). Allowed range: 0 to 99.99 * Root depth (cm). Allowed range: 0.1 to 500 * Allowed depletion share (%). Allowed range: 0.01 to 100 * Growing area (m²). Allowed range: 0.01 to 1000000 * Application efficiency (%). Allowed range: 0.01 to 100 ## How to use * Enter field capacity by volume, wilting point by volume and root depth. * Enter allowed depletion share, growing area and application efficiency. * Select Calculate result. Read the returned values alongside the assumptions below before copying, exporting or acting on the result. ## Why use this tool The soil measurement basis helps separate water storage from a guessed watering interval. ## Before relying on the result Field capacity and wilting point must come from suitable soil measurements. This is not a pH or soil amendment calculator. ## Tool limitations Field capacity and wilting point must come from suitable soil measurements. This is not a pH or soil amendment calculator. ## Questions ### Does this calculate soil pH or amendments? No. It uses water storage measurements, not acidity or fertilizer recommendations. ### What should I check before using Soil Water Storage Calculator? Check Field capacity by volume, Wilting point by volume, Root depth and Allowed depletion share. Use the exact units shown beside the controls and replace any example values with your own inputs. Source page last modified (UTC): 2026-10-04T13:08:12+00:00 This profile describes the tool. It does not execute it or supply a professional certification.