Mulch Calculator
Calculate the volume, weight, and number of bags of mulch needed for a garden bed.
How to Use the Mulch Calculator
- Measure the total area of the garden bed in square metres.
- Enter the desired mulch depth in centimetres (typically 5–10 cm).
- Click Calculate to see volume, weight, and number of bags.
- Use the bag count to plan your purchase.
使用场景
- •Mulching flower beds and borders.
- •Covering vegetable garden pathways.
- •Applying bark chips around trees and shrubs.
- •Planning mulch purchases for landscaping projects.
公式
Volume (m³) = Area (m²) × Depth (cm) / 100. Weight (kg) = Volume × 400. Bags = ceil(Volume / 0.05).
常见问题
How deep should mulch be applied?
A depth of 5–10 cm is recommended for most garden beds to suppress weeds and retain moisture.
How heavy is a bag of mulch?
A standard 50 L bag of mulch weighs approximately 20 kg (at 400 kg/m³).
Is it free?
Yes, all calculators on OhMyCalc are completely free.