This will make a queen size mattress a better selection If the home is not so roomy. Therefore, Singapore standard king size mattress is 72in by 75in (180cm by 190cm). While the queen size is 60in by 75in (150cm by 190cm). A few variants to the queen size Which may https://www.sleepspace.com.sg/blogs/news/mattress-sizes-in-singapore-the-definitive-dimensions-guide