Southwest Fiberglass, LLC's online shop fabricated tank calculator will provide a rough approximate cost and capacity for an ambient temperature/atmospheric design flat bottom/dished top FRP vessel.  Please note that the Southwest Fiberglass, LLC online calculator will provide only an approximation of the cost of an FRP vessel and that the final cost of an FRP vessel may be more or less than the result shown by the online calculator  For assistance with your FRP requirements and a detailed written proposal, please call our office at 1.866.700.3300 or email us at

For tank quotes over 14'0" in diameter please call us at 1.866.700.3300 

Diameter in Feet: 
Depth in Feet: 
Specific Gravity: 
Seismic Zone: 
Wind Load: 


Total Price: 

Price per Gallon: