Aquarium Volume Calculator

Calculate precise water volume for accurate reef aquarium dosing and maintenance

Our comprehensive aquarium volume calculator determines the exact water volume in your reef tank, including main display, sump, sand bed displacement, and live rock volume. Accurate volume calculations are essential for proper dosing, water changes, medication treatments, and maintaining optimal reef aquarium parameters. Supports both metric and imperial measurements with advanced options for glass thickness and complex aquarium configurations.

Measurement Units
Display Tank

Enter the length of your aquarium

Enter the width of your aquarium

Enter the height of your aquarium

Enter the thickness of the glass in millimeters.

Enter the distance from the top edge of the aquarium to the water level.

If you have a sand bed in your aquarium, enter the height of the sand bed.

If you have live rock in your aquarium, enter the total volume of the live rock.

Sump (Optional)

Enter the length of your sump.

Enter the width of your sump.

Enter the height of your sump.

Enter the thickness of the glass in the sump.

Enter the distance from the top edge of the sump to the water level.

Percentage of sump space occupied by equipment, filter media, skimmer, return pump, etc.

Volume Calculations

Display Tank

0L
Full
0L
Actual

Sump

0L
Full
0L
Actual
0L
Total Water

Get precise volume measurements crucial for accurate dosing calculations, proper medication dosing, and optimal reef tank maintenance.

Enter your tank dimensions, sump size, sand bed depth, and live rock percentage. Our calculator accounts for all displacements to give you the true water volume.

Complete Volume Analysis

Calculate tank, sump, sand bed displacement, and live rock volume for total system capacity.

Precise Measurements

Account for glass thickness, water level, and all displacements for laboratory-grade accuracy.

Dosing Foundation

Essential for accurate dosing calculations, medication treatments, and water change planning.