Standard Cremation Box Size
Standard Cremation Box Size . Some items listed as adult or standard size urns can be more or less. A cremation urn is simply a container. Cremation Urns and Boxes, Vases and Vaults Urns Northwest from urnsnw.com Make sure to check with them first, especially if your cremation container is larger than the standard size. Cups of cremains (1 cup = 8 fluid ounces) cups. Again, most cremation urns hold 200 cubic inches of ashes.