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The Guardian - UK

Why does tinned food come in a 400g can?

Tinned vegetables including corn, peas and tomatoes in cans — The perfect vehicle for veg? Photograph: Getty Images/iStockphoto

Why do so many tinned foods – in Britain, at least – come in a cylindrical 400g can? Who decided that 400g is the perfect amount of beans/tomatoes/custard? Nanci Preston, Solihull

Post your answers (and new questions) below or send them to nq@theguardian.com. A selection will be published next Sunday.

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