Urn Capacity and Volume Formula
To further refine your decision, consider the capacity of the cremation urn.
Use the formula: Volume = Length x Width x Height
1. Adult Urn – Most Common
Adult Urns, sometimes referred to as Standard Urns or Large Urns, are the most common urn size for adult remains. Anyone weighing less than 220 lbs or shorter than 6ft before cremation will fit in a standard adult urn. Individual urns vary from 110 to 300 cubic inches.
2. Extra Large Adult Urn – Tall or large framed adults
Extra Large Adult Urns are best for adults over 6ft tall or with a large frame.
3. Small and Medium Urn – Shared remains or young children
Small and Medium Urns are best when dividing one person’s ashes among 2 or more people as well as for young children.
Note: Small and Medium urns are not used as a single vessel for adult remains regardless of height or weight before cremation.
4. Keepsake Urn – Small amount of shared remains
Keepsake urns, or mini urns, are best for holding a small amount of ashes in remembrance. Keepsake urns are a popular option when dividing ashes amongst children, grandchildren, or friends.
5. Urns for Two – Combined ashes
Urns for Two, sometimes referred to as Companion Urns, Double Urns or Double Internment, are used when combining two people’s ashes into a single urn.
- Pet Urn comes in a variety of sizes: small (up to 30 cubic inches), medium (up to 50 cubic inches), large (up to 70 cubic inches) and extra-large (up to 100 cubic inches).
1. Small Urn – Pets up to 50 lbs
- 1″ x 4″ (about 2′ long)
- 1″ x 6″ (about 6″ long)
- Small piece of ¼” plywood (about 4″ x 8″)
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2. Large Urn – Pets up to 120 lbs
- 1″ x 6″ (about 3′ long)
- Small piece of ¼” plywood (about 4″ x 8″)
Keepsake Cremation Urn is sized to hold only a small portion of cremation ashes. Keepsake urns’ capacity vary from 3 cubic inches to 50 cubic inches.