Learn about the different mattress sizes available. Compare mattress dimensions to find the one that's right for you.

A twin size bed is is 38 inches wide and 75 inches long (approximately 97cm wide and 191cm long). This size is only generally available in the US, and not in the UK.

Use our mattress size chart to compare standard mattress sizes and bed dimensions. Our mattress expert explains the factors that go into picking a mattress size that suits your needs.

Every mattress in our best mattress guide is available in a twin and XL twin size, giving you plenty of choices for every sleep style (and budget).

Getting a good night's sleep is one of the most important aspects of your health. Poor sleep can harm your health in many ...

A single bed is optimal for small spaces, children and dorms. Consider these things before you buy a twin mattress.

The mattress size you choose will depend on your height, weight and preferences. In this mattress sizing guide, we explore the dimensions of each bed size, from the most common to custom-made options.

In this mattress size guide, we explain the dimensions of over 20 different mattress types—including both standard and uncommon sizes.

We've included even the most obscure mattress sizes, as well as answering your most pressing questions about which mattress you want.