A 52x72 mattress is a nonstandard size measuring 52 inches wide by 72 inches long. It sits close to a full but is shorter than standard US mattresses and doesn't match any common bed frame.
Mattress sizes
52x72 mattress is what size
The 72-inch length is the giveaway: standard full, queen and king mattresses are all longer. A 52x72 mattress usually shows up in older, imported or specialty beds such as some RV and camper bunks. Because standard sheets and frames won't fit it well, confirm the exact dimensions of the bed it needs to replace before you buy.
- A 52x72 mattress measures 52 inches wide by 72 inches long, a nonstandard size in the US.
- A 52x72 mattress is shorter than standard US full, queen and king sizes, which run longer than 72 inches.
- Standard fitted sheets for full, queen or king mattresses won't fit a 52x72 mattress properly.
- Nonstandard mattress sizes like 52x72 are typically sold for older beds, imports, or RV and camper bunks.