Aquarium Glass Thickness Calculator

Created by Angela Moore
Reviewed by Dominik Czernia, PhD and Steven Wooding
Last updated: Feb 02, 2023

Our aquarium glass thickness calculator helps you understand key metrics associated with your aquarium. This glass thickness calculator helps you determine how thick your aquarium glass is. It's also an aquarium glass thickness chart that indicates your aquarium volume, surface area, glass weight, water weight,, and total aquarium weight. These are key figures for all aquarium enthusiasts! Try out our calculator for instant results!

🙋 There are tons of different shapes that aquariums can be. Did you know that selecting a different shape size has several implications? If you are interested in examining the differences between them, try inspecting our aquarium calculator. With these calculators, you are on your way to a better understanding of your tanks!

Aquarium glass thickness calculator

Using our aquarium glass thickness calculator is as easy as one, two, three. Add your aquarium length, width, and height into our calculator input fields, and voila! Our tool will instantly calculate your glass thickness. You can also convert your glass thickness results to many additional units of length measurement:

  • Millimeters (mm)
  • Centimeters (cm)
  • Meters (m)
  • Inches (in)
  • Feet (ft)

You can seamlessly perform additional conversions of length, weight, and volume, such as fluid ounces to liters. Our calculator uses the following density of glass and density of water to find their respective weights:

  • Glass density of 2500 kg/m3 (156 lb/cu ft); and

  • Water density of 998 kg/m3 (62.3 lb/cu ft).

You can change these values in the Advanced mode. The advanced mode can also help you calculate your bottom and side glass deflections, which are the amount that glass panels bend when subjected to water.

🙋 You can learn more about the deflection of construction materials by checking out our beam deflection calculator.

This glass thickness calculator uses a safety factor of 3.8. Glass strengths differ between tanks, which is why selecting an adequate safety factor is crucial. 3.8 is the default safety factor for most aquariums because it minimizes the risk of your glass breaking. Now, if you're interested in expanding your knowledge about the concept of safety factors, you will have a blast with our factor of safety calculator!

How to calculate aquarium glass thickness

We used two separate thickness equations for this glass thickness calculator because the glass on the bottom needs to be thicker so it can withstand the volume of water within an aquarium. We based our calculator on the calculations we found on Aquarium World. For the rest of the formulae in our tank glass thickness calculator, look below:

Volume formula:

volume = l × w × h,

where:

  • l – Length;

  • w – Width; and

  • h – Height.

Calculating the surface area of your tank is also pretty simple.

Surface area formula:

surface area = 2 × (l + w) × h + l × w

Weight formulae:

water weight = volume × water density,

glass weight = glass volume × glass density,

where:

glass volume = 2 × (l + w) × h × s + l × w × b

and:

  • s – Side/front glass panels thickness; and
  • b – Bottom panel thickness.

You can have lots of fun playing with these formulas regardless of whether you want to examine them in-depth or just skim the surface! Once you're done experimenting, see if your results are correct using our calculator.

How thick is aquarium glass supposed to be?

At this point, you are probably wondering just how thick is aquarium glass supposed to be? The answer is not set in stone. The required aquarium thickness can vary based on several factors, such as length, width, and height. This is where our fantastic calculator comes in handy! It seamlessly uses those variables and a built-in aquarium glass thickness chart to calculate the front and side glass thickness and the bottom glass thickness. It also uses them to calculate many additional properties such as glass weight, water weight, glass thickness, and total aquarium weight.

For example, if your tank's:

  • length = 24 inches

  • width = 10 inches

and

  • height = 16 inches

and you assume a safety factor of 3.8, our calculator would tell you your front/side glass thickness needs to equal 0.23 inches and that your bottom glass thickness needs to equal 0.35 inches.

On the other hand, if your aquarium's:

  • length = 20 inches

  • width = 10 inches

and

  • height = 23 inches

Our glass thickness calculator would instead let you know that your front/side glass thickness needs to equal 0.29 inches and that your bottom glass thickness needs to equal 0.59 inches. Ready to test out what you learned? Then have fun:

  1. Using our aquarium tank glass thickness calculator.
  2. Determining how thick your aquarium glass is.

🔎 Have you already received your results from our aquarium glass thickness calculator? For more cool calculations, check out some of our water-based calculators! Our water density calculator and our vapor pressure of water calculator provide very refreshing insights!

Angela Moore
Length
in
Width
in
Height
in
Safety factor
Aquarium properties
Aquarium volume
US gal
Surface area
ft²
Front/side glass thickness
in
Bottom glass thickness
in
Water and aquarium weight
Glass weight
lb
Water weight
lb
Total weight
lb
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