Aquarium Volume Calculator
Calculate the exact water volume of your tank
Tank Configuration
Dimensions
Substrate & Decorations
Results
Total Tank Volume
—
The maximum capacity of your tank
Actual Water Volume
—
After accounting for substrate and decorations
Water Weight
—
Important for structural planning
Why This Matters
- Medication Dosing: Accurate dosing requires knowing your exact water volume
- Fertilizer Calculations: Plants need precise nutrient amounts
- Water Change Planning: Know exactly how much water to replace
- Livestock Safety: Prevent overstocking with accurate volume data
This free online aquarium volume calculator includes:
- Multiple Tank Shapes:
- Rectangular (most common)
- Cylindrical
- Bow Front (with approximation formula)
- Hexagonal
- Comprehensive Calculations:
- Total tank volume in gallons and liters
- Actual water volume (accounting for substrate and decorations)
- Water weight in pounds and kilograms
- User-Friendly Features:
- Clean, intuitive interface with visual hierarchy
- Responsive design that works on all devices
- Clear instructions and result displays
- Educational information about why accurate volume matters
- Practical Applications:
- Medication dosing accuracy
- Fertilizer calculations
- Water change planning
- Structural weight considerations
