Calculate the exact volume of soil mix needed for your raised bed and get a full ingredient breakdown compost, topsoil, and sand ratios for vegetables, herbs, or square foot gardening.
Standard raised bed tip: A depth of 30 cm is ideal for most vegetables. Shallow-rooted crops (lettuce, herbs) need only 15-20 cm, while deep-rooted crops (carrots, potatoes) benefit from 45 cm.
Source: Mix ratios based on Mel Bartholomew’s Square Foot Gardening, FAO Kitchen Garden Guidelines, and University of Agriculture Faisalabad extension recommendations. Bag sizes are standard Pakistani market estimates.