Coffin and casket are both containers used to hold a deceased person for burial or cremation-related funeral arrangements, but the words are not exact synonyms in every region. The most visible distinction is usually shape.
A traditional coffin has six sides and narrows around the shoulders and lower body. A casket is typically rectangular with four sides and a hinged lid. In everyday speech, however, people may use either word for either style.
At a glance
| Point | Coffin | Casket |
|---|---|---|
| Shape | Tapered, commonly six-sided | Rectangular, four-sided |
| Design tradition | Body-shaped profile | Furniture-like box profile |
| Lid | Often removable or hinged depending on design | Frequently hinged; split-couch lids are common in some markets |
| Regional usage | Common term in the UK and many other countries | Especially common funeral-industry term in the US |
| Materials | Wood, engineered wood, cardboard and other approved materials | Wood, metal and other manufactured materials |
| Function | Burial or other funeral use | Same basic purpose |
Coffin
A burial container traditionally shaped with a wider shoulder area and tapered head/foot sections, giving it six sides.
Casket
A rectangular burial container, commonly with four sides, a hinged lid and a more uniform box-like profile.
Why two shapes developed
The classic coffin shape follows the outline of the human body, so it can use less material than a rectangular box of similar maximum width. Casket designs developed toward a more standardized rectangular form and, in some markets, a highly finished furniture-like presentation.
Neither shape has a universal religious meaning by itself. Funeral customs and cemetery rules are more important.
Material matters more than the name
A simple biodegradable coffin and a premium hardwood coffin can differ far more in cost and environmental impact than a coffin and casket of similar construction. The same applies to caskets: some are wood, others metal, and some are designed specifically for cremation or green burial.
When arranging a funeral, compare dimensions, materials, lining, hardware, cemetery/crematorium requirements and total price rather than the label alone.
Language and sensitivity
Funeral terminology can feel personal. Some families prefer “casket” because it sounds softer; others use “coffin” naturally. Funeral professionals generally adapt to the terminology preferred by the family.
Frequently asked questions
Is a casket more expensive than a coffin?
Not necessarily. Price depends mainly on material, construction, finish and supplier.
Can a coffin be used for cremation?
Often yes if it meets the crematorium’s material and construction requirements.
Why are American funeral homes more likely to say casket?
The term became standard in much of the US funeral industry, while ‘coffin’ remains common in many other English-speaking regions.
Are coffin and casket legally different categories?
Rules vary. Many laws and cemetery policies focus on construction/material requirements rather than the everyday word used.
KnowDifferences Editorial Team
Independent explanations with definitions, practical examples and references. Read our editorial approach.