calcs.homes
calcs.homes
Enter your tank's inside dimensions to get its water volume and the weight of the tank once it's filled — handy for checking whether a stand or floor can support it.
Estimate only — measure inside the glass, and add the empty tank's weight for total load.
Multiply length × width × height (in inches) and divide by 231 — the number of cubic inches in a US gallon — to get gallons. In metric, length × width × height in centimeters divided by 1,000 gives liters directly. Water weighs about 8.34 lb per gallon (1 kg per liter), so a full 55-gallon tank alone holds over 450 lb of water.
Measure the inside length, width, and water height in inches, multiply them together, and divide by 231. This calculator does that for you — just enter your measurements.
Add the water weight shown here to the empty tank, gravel, and decor weight, then check that figure against your stand's rating and, for larger tanks, your floor's load capacity.