What Is a Baby Cot? | Crib, Travel Bed, or Something Else

A baby cot is a small, enclosed sleep space for an infant, though in the United States the standard term for this product is “crib.”

The word “cot” causes real confusion for American parents. In the UK, Australia, and New Zealand, a cot is the standard nursery bed you’re picturing—a rigid-sided, enclosed sleeping facility designed for an infant or young child. In the US, that same piece of furniture is almost always called a crib, while “cot” typically refers to a flimsy portable camping bed or a travel bed for toddlers.

Whether you’re reading international parenting forums or shopping for a nursery, understanding what a baby cot actually is—and which safety standards apply—keeps your child safer and helps you buy the right product. Here’s the breakdown of terms, sizes, and safety rules across the globe, plus a look at the best-rated models if you’re ready to compare top baby cots for your nursery.

Cot vs. Crib: What’s the Difference in the US?

For American readers, treat the two words as regional synonyms for the same idea. A crib is the full-size, stationary nursery bed most US babies sleep in. A cot, in common US usage, is either a narrow folding bed for camping or a lightweight portable travel bed for babies—not a replacement for a permanent nursery crib.

British and Australian English use “cot” the way Americans use “crib.” So when a UK parenting site warns you to “keep the cot clear,” it means the same thing as a US pediatrician telling you to keep the crib empty.

The safest approach for US shoppers: if the product is a full-size nursery bed, call it a crib and check that it meets US Consumer Product Safety Commission (CPSC) standards. If a product is marketed as a portable or travel cot, understand it’s a separate category with different safety requirements.

Standard Baby Cot and Crib Dimensions

These measurements ensure a snug fit for standard crib mattresses, eliminating gaps where an infant could become trapped.

International standards differ.

This distinction matters most for parents considering an antique crib, a European import, or a compact travel cot for everyday sleep. If it isn’t full-size, confirm it meets the applicable standard before using it as a permanent sleep space.

Key Safety Standards for Cots by Region

Every country with a robust product-safety system regulates infant sleep products differently, and the rules aren’t interchangeable.

• United States: The CPSC enforces mandatory safety standards for both full-size and non-full-size cribs. This includes the 28 x 52 3/8-inch interior dimension rule and strict requirements on mattress support and hardware durability.
• United Kingdom/EU: Cots for domestic use must meet BS EN 716-1:2017, which sets safety requirements and test methods for children’s cots and folding cots.
• Australia: The ACCC mandates that all household cots comply with the country’s mandatory product-safety standards. Australian guidance notes every cot must meet these legal requirements before it can be sold.
• New Zealand: The Commerce Commission defines a cot as a free-standing product with raised sides and ends designed as an enclosed sleeping facility. Rules apply to both new and second-hand cots intended for home use.

If you’re buying a cot or crib from overseas—whether it’s a stylish European import or a hand-me-down from relatives abroad—verify it meets your local standard, not just the country of origin’s. A cot built to British or Australian specs may not comply with US CPSC rules, and vice versa.

Safe Sleep Rules for Any Cot or Crib

The safe-sleep guidance is consistent across the US CPSC, the UK’s Lullaby Trust, and Australian health authorities, regardless of what you call the bed. Follow these rules every single sleep period:

• Place your baby on their back. This is the single most effective position for reducing the risk of sudden infant death syndrome (SIDS).
• Keep the sleep space bare. The mattress should be firm, flat, and covered only by a fitted sheet. Remove toys, pillows, blankets, and bumpers—they can obstruct breathing.
• Keep the cot in your room. UK safe-sleep guidance advises that babies sleep in the same room as an adult for at least the first six months.
• Check the mattress fit. In a full-size US crib, the mattress must fit snugly against all four sides with no gaps.

These are non-negotiable rules, not suggestions. A cot can meet every manufacturing standard and still be unsafe if a loose blanket or soft toy is inside.