What BedMetric does
BedMetric separates market labels from measurements, keeps one canonical dimensional record and explains where credible sources disagree. It helps people research a purchase; it does not sell mattresses, certify products or guarantee fit.
Independent by design
BedMetric is not affiliated with or endorsed by the listed retailers, manufacturers, standards organisations or government bodies. Their names identify narrowly used factual sources only. Maple Web Group is responsible for the original writing, calculations, diagrams and publication decisions.
Bounded V1 scope
The reference covers the United States, United Kingdom, Canada and Australia. Cot, crib and infant products, medical advice, comfort recommendations, reviews, rankings, prices and affiliate lists are deliberately excluded.
Last reviewed: 27 August 2026.