How to choose an urn

The right urn depends on where it will go and how much it needs to hold. Here is what to check before you buy.

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Key points

  • Decide where the urn will go first: home display, cemetery burial, a columbarium niche, or scattering.
  • Check capacity in cubic inches — a standard adult urn holds about 200. Use our urn size calculator.
  • You can buy an urn anywhere; the funeral home must accept it. There's no rush — the temporary container is fine for now.

1. Where will the urn go?

DestinationWhat to check
Kept at homeDurable material, a secure lid or base, and a style you'll live with. See keeping ashes at home.
Cemetery burialWhether the cemetery requires an urn vault (in which case the urn itself can be simple) and any size limits.
Columbarium nicheThe niche's interior dimensions — measure before buying. Glass-front niches favor display urns.
ScatteringA scattering urn or tube makes it easier; no permanent urn needed.
Water or earth burialA biodegradable urn designed for that purpose. See biodegradable urns.
Air travelA container that can pass X-ray screening (wood, plastic or cardboard). See traveling with cremated remains.

2. Size and capacity

A common rule of thumb is one cubic inch of capacity per pound of healthy body weight. Most adults fit a standard 200-cubic-inch urn; taller or larger people may need 250 or more. Companion urns for two people usually hold about 300 to 450 cubic inches. Capacity, not outside size, determines fit.

3. Materials

  • Metal (brass, aluminum, steel): durable and usually sealable; often the most economical durable option.
  • Wood: warm and often engravable; keep out of direct sun and damp.
  • Ceramic and porcelain: decorative, but can chip or break.
  • Stone and marble: very durable and heavy.
  • Glass: artistic; handle with care.
  • Biodegradable (paper, salt, sand, plant fibers): for burial or water, not long-term display.

4. Closure and personalization

  • Threaded lids or screw-on base plates are more secure than friction-fit lids. A small amount of sealant can be added for permanence.
  • Engraving is often available but adds production time — check delivery dates against your service date.
  • Keep remains in the inner bag the crematory provides; it makes transferring them easier and cleaner.

Browse urns by type

These links go to Amazon category searches. We haven't tested individual products; use the checks above and read each listing's capacity and dimensions carefully.

Standard adult urns

For one adult; look for about 200 cubic inches or more.

Browse adult urns on Amazon (opens Amazon in a new tab; affiliate link)

Companion urns

For two people; check total capacity and whether compartments are separate.

Browse companion urns on Amazon (opens Amazon in a new tab; affiliate link)

Wooden urns

Often engravable; check the base plate closure.

Browse wooden urns on Amazon (opens Amazon in a new tab; affiliate link)

Keepsake urns

Small urns for a portion of remains, often in sets.

Browse keepsake urns on Amazon (opens Amazon in a new tab; affiliate link)

Scattering tubes and urns

Make scattering easier and more controlled.

Browse scattering urns on Amazon (opens Amazon in a new tab; affiliate link)

Biodegradable urns

For water or earth burial.

Read our biodegradable urn guide

Buying from the funeral home instead

Funeral homes sell urns too, and buying there can be simpler: they can transfer the remains for you and the urn is in hand quickly. Ask for their urn price list and compare. Either choice is reasonable.

Sources and references

  1. Federal Trade Commission: Shopping for Funeral Services
  2. Transportation Security Administration: Cremated Remains (What Can I Bring?)

Rules, benefit amounts and prices change. Where a source is a government agency, check it directly for current figures. See our sources and fact-checking policy.