Direct answer: For a 5 lb pet, plan for at least 5 cubic inches of urn capacity. Most families choose a comfort target of 8–12 cubic inches so the inner bag fits easily and the lid closes without forcing. For this size, you’ll usually browse small pet urns for ashes or, for symbolic shares, pet keepsake urns.

Pet Weight	Minimum Capacity (cu in)	Comfort Capacity (cu in)	Best Matching Collections
5 lb	5	8–12	small pet urns, pet keepsake urns, pet cremation jewelry

Size up if… weight is an estimate, your pet was closer to 6–8 lb, you want to include a tiny memento (tag or note), you want an easier transfer with a wider opening, or you plan to share ashes and want the primary urn to remain stable.

Shop the full category anytime here: pet urns for ashes. If you want a fast confirmation tool, use the Pet Urn Size Calculator and Pet Urn Size Chart.

Meta description (10 lb): Pet urn size for 10 lb—recommended cubic inches, a comfort range, and “size up if…” rules with links to the right Funeral.com collections.

Pet Urn Size for 10 lb: Cubic Inches + “Size Up If…”

Direct answer: For a 10 lb pet, plan for at least 10 cubic inches of urn capacity. Most families prefer 12–18 cubic inches for a calmer fit (inner bag space and easy closure), and some choose up to 20–25 cubic inches when weight is uncertain or they want room for a small memento. Start browsing small pet urns for ashes and add pet keepsake urns if sharing is part of the plan.

Pet Weight	Minimum Capacity (cu in)	Comfort Capacity (cu in)	Best Matching Collections
10 lb	10	12–18	small pet urns, pet keepsake urns, pet cremation jewelry

Size up if… your pet’s weight is a best estimate, your pet was closer to 12–15 lb, you want room for a collar tag or note, you prefer a wider opening for easier transfer, or you’re planning to share portions and want extra breathing room in the primary urn.

Browse all options here: pet urns for ashes. For quick confirmation, use the Pet Urn Size Calculator and Pet Urn Size Chart.

Meta description (25 lb): Pet urn size for 25 lb—recommended cubic inches, comfort range, and “size up if…” guidance with the correct collection links (small vs medium).

Pet Urn Size for 25 lb: Cubic Inches + “Size Up If…”

Direct answer: For a 25 lb pet, plan for at least 25 cubic inches of capacity. Most families feel calmer with 30–40 cubic inches so the inner bag fits comfortably and the urn closes easily. This weight often lands best in medium pet urns for ashes (25–60 cu in), especially if you want breathing room.

Pet Weight	Minimum Capacity (cu in)	Comfort Capacity (cu in)	Best Matching Collections
25 lb	25	30–40	medium pet urns, small pet urns, pet keepsake urns

Size up if… weight is uncertain (you’re guessing “about 25”), your pet was closer to 28–30 lb, you want to include mementos, you prefer an easier transfer and closure, or you plan to create multiple keepsakes and want the primary urn to remain stable and roomy.

Browse all pet urn options here: pet urns for ashes. For quick confirmation, use the Pet Urn Size Calculator and Pet Urn Size Chart.

Meta description (50 lb): Pet urn size for 50 lb—recommended cubic inches, comfort range, and “size up if…” guidance with the right category links (medium vs large).

Pet Urn Size for 50 lb: Cubic Inches + “Size Up If…”

Direct answer: For a 50 lb pet, plan for at least 50 cubic inches. Most families prefer 55–70 cubic inches for a calmer fit and easy closure. You can shop the upper end of medium pet urns (25–60 cu in) if your pet was truly around 50 lb, but many families choose large pet urns (60–100 cu in) for more breathing room.

Pet Weight	Minimum Capacity (cu in)	Comfort Capacity (cu in)	Best Matching Collections
50 lb	50	55–70	large pet urns, medium pet urns, pet figurine urns

Size up if… weight is an estimate, your pet was closer to 55–60 lb, your pet was big-framed/muscular, you want to include mementos, you’re choosing a figurine-style urn (confirm interior capacity), or you want a calmer “no tight fit” closure experience.

Shop all categories here: pet urns for ashes. For quick confirmation, use the Pet Urn Size Calculator and Pet Urn Size Chart.

Meta description (75 lb): Pet urn size for 75 lb—recommended cubic inches, comfort range, and “size up if…” guidance with large vs extra-large collection links.

Pet Urn Size for 75 lb: Cubic Inches + “Size Up If…”

Direct answer: For a 75 lb pet, plan for at least 75 cubic inches. Most families choose 85–95 cubic inches so the inner bag fits easily and the lid closes without stress. This weight typically fits well in large pet urns (60–100 cu in), with extra large pet urns (100+ cu in) as the calm choice when you want more room.

Pet Weight	Minimum Capacity (cu in)	Comfort Capacity (cu in)	Best Matching Collections
75 lb	75	85–95	large pet urns, extra large pet urns, engravable pet urns

Size up if… weight is uncertain, your pet was big-framed or very muscular, you want mementos inside the urn, you’re choosing a sculptural/figurine urn (confirm interior capacity), or you want the least-stress closure possible.

Browse all pet urn styles here: pet urns for ashes. For quick confirmation, use the Pet Urn Size Calculator and Pet Urn Size Chart.

Meta description (100 lb): Pet urn size for 100 lb—recommended cubic inches, why this is a boundary weight, and “size up if…” guidance with extra-large collection links.

Pet Urn Size for 100 lb: Cubic Inches + “Size Up If…”

Direct answer: For a 100 lb pet, plan for at least 100 cubic inches. Most families prefer 110–130 cubic inches so the urn closes easily and doesn’t feel tight at the seam. Because 100 lb sits at the top end of many “large” ranges, the calmest choice is often extra large pet urns (100+ cu in).

Pet Weight	Minimum Capacity (cu in)	Comfort Capacity (cu in)	Best Matching Collections
100 lb	100	110–130	extra large pet urns, large pet urns, pet keepsake urns

Size up if… your dog’s weight is a best estimate, your dog was big-framed/muscular, you want room for mementos, you want the easiest possible transfer and closure, or you’re planning to share portions and prefer extra breathing room in the primary urn.

Browse all pet urn styles here: pet urns for ashes. For quick confirmation, use the Pet Urn Size Calculator and Pet Urn Size Chart.