🪨 Substrate Weight Estimator
Calculate the exact amount of gravel, sand, or soil needed for your aquarium, terrarium, or garden project.
straighten Tank Dimensions
cm
Please enter a valid length
cm
Please enter a valid width
cm
Please enter a valid depth
scale Estimated Weight
0 kg
of substrate needed
Formula:
Volume (cm³) = L × W × D
Weight (kg) = Volume × Density ÷ 1000
Volume (cm³) = L × W × D
Weight (kg) = Volume × Density ÷ 1000
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📦 Common Substrate Types
Aquarium Gravel
Density: ~1.5 g/cm³
Aquarium Sand
Density: ~1.6 g/cm³
Aqua Soil
Density: ~1.3 g/cm³
Clay Pebbles
Density: ~1.8 g/cm³
💡 Pro Tips
- For planted aquariums, use 5-8 cm depth for proper root growth
- Add 10-15% extra substrate to account for settling over time
- Rinse gravel thoroughly to remove dust before adding to tank
- Sand compacts more than gravel, so you may need less depth
- Consider substrate weight when setting up large aquariums
- Sloped substrate looks natural – deeper at back, shallower at front
