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Cremation Urn Sizes by Ash Volume

Cremation urns come in a variety of volumes to contain different amounts of ashes. Flame cremation ashes from an adult have a volume equivalent to one cubic inch per lb of body mass. So a 200 lb (91 kg) person will have 200 cubic inches of ashes. Aquamation ashes produce 20 to 30 % more ashes so an aquamated person who was 200 lbs (91 kg) would need an urn that could hold 240 to 260 cubic inches of ash. For more on this see this article: How much ashes from humans?

Here are our urn sizes for various ash volumes:

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