How to Choose the Right Urn: Materials, Size, and What Suits Your Plans for the Ashes

How to choose the right urn for a loved one comes down to three practical things: how much space it needs, what it’s made from, and where their ashes will eventually rest.

Some families know immediately what feels right. Others need a little time to sit with the decision, and that’s completely understandable. There’s no single best urn for ashes, only the one that holds your loved one with the care they deserve, in a way that feels true to who they were and where you’ll want to keep them close.

This guide gently walks you through sizing, burial requirements, and material choices so you can find the right fit confidently, in your own time.

What Size Urn Do I Need?

What size urn you need usually depends on how much space the ashes take up, which is closely linked to the build of the person who has passed. Most adults return between 2 and 3.5 kgs of ashes, so a standard adult urn holding around 2.5 to 3.5 litres will comfortably hold everything.

If you’re planning to keep two people together, a companion urn gives you a larger, shared space designed for that. If you plan to share portions among family members, a smaller keepsake urn alongside the main urn is a common, gentle way to do it.

The safest way to know for certain is to ask your funeral director or the crematorium for the actual volume before you choose. It removes the guesswork, and it means you won’t need to make this decision twice.

A few things that are worth checking before buying:

• The ashes’ actual volume, not just an estimate
• Both the internal capacity and the external size of the urn
• Whether the urn needs to fit a specific space, like a memorial niche or a cabinet at home

Our standard urn range covers most adult sizing needs, with companion options available if you’re keeping two loved ones together.

Urns for Burial Ashes: What to Check First

Urns for burial ashes need a little extra thought before you buy, since not every urn is suited to being placed in the ground.

If you’re burying the urn in a cemetery plot or placing it in a columbarium niche, dimensions can vary from one cemetery to the next. It’s worth checking with the cemetery directly before you choose, so you’re not caught out by a size that doesn’t fit.

For ground burial specifically, some cemeteries request a biodegradable urn or an urn placed inside a protective vault. It’s a small detail that’s easy to miss if you don’t ask early.

If scattering is part of the plan instead of burial, a lighter, fully biodegradable option is usually a better fit than a traditional urn, and it’s worth keeping that distinction in mind so you choose something suited to how it’ll be used.

Our eco urn range is designed with this in mind, made from natural materials that gently return to the earth over time.

A few things worth confirming with the cemetery before you buy:

• Whether the plot or niche has size restrictions
• Whether a biodegradable urn or vault is required
• Whether embalming or other requirements affect what’s allowed

Comparing Materials When Choosing an Urn for Ashes

Choosing an urn for ashes often comes down to material just as much as size, as this is what decides how the urn looks, feels, and where it’s best suited.

Wood-grained urns offer a natural, warm finish at a more accessible price point. They’re popular for smaller families who want something simple and dignified without the cost of solid timber.

For a heavier, more substantial option, solid wood urns are crafted from solid timber rather than a veneer finish. They’re often chosen for display at home, where their weight and natural grain feel like a lasting, tangible presence in the room.

Metal urns bring durability and a smooth surface that engraves well, whether that’s a name, a date, or a few meaningful words. Our range is well-suited to burial or niche placement, where a more robust material can withstand the years ahead.

Engraving an urn is also common, whether that’s a name, a date, or a few words that capture your loved one’s essence. Metal and solid wood urns both engrave well, giving you a small, lasting way to personalise the urn.

Some families, particularly within Māori and Pasifika communities, hold specific preferences around materials, symbols, or natural elements like harakeke. If this is important to your family, it’s worth raising with your funeral director early, so the urn can reflect what feels right, not just what’s available off the shelf.

Matching the Urn to Your Plans for the Ashes

Once you’ve settled on the size and material that feels right, the last piece is thinking about what happens next, since this is often what shapes the decision more than anything else.

If you’re planning to keep the ashes at home, display and material matter more than burial-readiness. A solid wood or metal urn can sit comfortably on a shelf or in a memorial space, becoming part of the home rather than something tucked away.

If burial is the plan, check the cemetery’s requirements first. Some plots or niches call for a biodegradable urn or a protective casing, so it’s worth confirming before you buy rather than after.

If scattering is your intention, a lighter, biodegradable option is a great fit, since it’s designed to return to the earth rather than being kept long-term.

And if you’ll be sharing portions with your family, a main urn alongside one or more keepsake urns lets everyone hold a small piece close, in whatever way feels right for them.

There’s no wrong order to work through these decisions. Some families choose the plan first and let that guide size and material choice; others start with what feels right and work out the practical details after.

Checklist: Questions to Ask Before You Buy

A few honest questions can save you from having to make this decision twice. Before choosing an urn for ashes, ask yourself the following questions:

• What’s the actual volume of ashes, not just an estimate?
• Where will the urn or ashes end up: at home, in a niche, in the ground, or scattered?
• Does the cemetery or niche have size restrictions to check first?
• Does ground burial call for a biodegradable urn or a protective vault?
• Does your family have any specific preferences around materials or symbols worth discussing early?

If you’re not sure about any of these, that’s completely normal. Your funeral director can help you work through them, one step at a time.

Still Not Sure Which Urn is Right?

That’s completely okay. There’s no single right answer, only the one that feels right for your loved one and your family.

If you’d like to talk it through, our team is here to help, gently and without pressure, whether you’re ready to decide today or still taking your time. Talk to our team, and we’ll help you find the right fit at your own pace.