We are often asked how many Jerry Cans can fit in our range of Justrite flammable and corrosive goods storage cabinet. So below are the dimensions of the jerry can and the link to our Dangerous Goods storage cabinets measurements. Therefore you can deteremine the correct size cabinet to meet your needs. The dimensions for a standard size 20 L (5 gallon) Jerry can are:- DIMENSIONS (mm): W165 X L345 X H470 Here is the link to the dimensions for our Dangerous Goods Storage Cabinets range . The above link has the dimensions for both the Flammable, Corrosive, Toxic, Organic Peroxide and Pesticide storage cabinets. The shelves in the Justrite Cabinets are fully adjustable and removable. Keep Safe.