Tank Volume Calculator

Calculate the total capacity and current volume of liquid in a tank based on dimensions and fill level. Supports horizontal cylinders (most common for ASTs and USTs), vertical cylinders, and rectangular tanks.

Tank Shape

Dimensions

Common Tank Sizes (Reference)

Aboveground Storage Tanks (ASTs): 275 gal (48"D x 27"W x 44"L), 330 gal (48"x30"x48"), 500 gal (48"x38"x60"), 1,000 gal (48"x48"x96"), 2,500 gal (64"x64"x120"), 10,000 gal (96"x96"x210")

Underground Storage Tanks (USTs): 550 gal (48"D x 72"L), 1,000 gal (48"D x 128"L), 2,000 gal (64"D x 120"L), 4,000 gal (64"D x 240"L), 6,000 gal (96"D x 160"L), 8,000 gal (96"D x 213"L), 10,000 gal (96"D x 267"L), 12,000 gal (96"D x 320"L)

55-gallon drum: 22.5" diameter x 33.5" height. 275-gallon tote (IBC): 45"L x 45"W x 46"H (inner dimensions vary). 330-gallon tote: 45"L x 45"W x 53"H.

Need containment sizing? Use our Containment Volume Calculator for RCRA and SPCC secondary containment requirements. Reporting a spill? Check the State Reporting Directory and RQ Calculator.