FishTankCalculators

29 Gallon Dimensions & Filled Weight

Great vertical space for angelfish or taller community plants.

Quick Specs

Standard 29 Gallon Specifications:

  • Dimensions (US & Metric): 30" × 12" × 18" (76.2 cm × 30.5 cm × 45.7 cm)
  • Total Filled Weight: Approximately 282 lbs (128 kg) including water and standard gravel.
  • Empty Tank Weight: 40 lbs (18 kg).

Measurements

  • Gross Volume 29 Gallons
  • Empty Glass Weight 40 lbs
  • Approx. Filled Weight 282 lbs

Recommended Gear

  • Target Filter Turnover 150 GPH
  • Base Heater Wattage 150 Watts

How Much Sand Does a 29 Gallon Need?

A standard 1.5-inch bed requires approximately 30 lbs of aquarium sand or 15 L of active aqua soil.

Customize Substrate Bed →

Floor Load & Stand Safety

At approximately 282 lbs, the 29 Gallon exerts a specific pounds-per-square-foot (PSF) structural load on your home's flooring. The footprint area is 2.50 sq. ft, meaning the raw PSF is roughly 113 PSF.

Standard Load: This aquarium weight is generally safe for modern residential flooring, provided it is placed on a level, structurally sound aquarium stand.

Frequently Asked Questions

What are the dimensions of a 29 Gallon in inches and cm? ▼
A standard 29 Gallon measures 30" L × 12" W × 18" H (76.2 cm × 30.5 cm × 45.7 cm).
How much does a 29 Gallon weigh filled? ▼
When filled with water and average substrate, a 29 Gallon weighs approximately 282 lbs (128 kg). Always ensure your stand and flooring can support this weight.
How much sand do I need for a 29 Gallon? ▼
For a standard 1.5-inch bed, a 29 Gallon requires approximately 30 lbs of aquarium sand or 15 L of active aqua soil.