About BedFly

Buying for a bedroom is deceptively fiddly. A mattress comes in half a dozen sizes with names that change between countries; a duvet is sold by a tog number nobody explains; sheets are marketed on a thread count that stops meaning much past a point; and a bed that looked fine in the showroom turns out to block a wardrobe door once it is in the room. None of it is hard arithmetic, but it is the kind of small, easy-to-get-wrong sizing that ends with a fitted sheet that will not stay on or a bed you have to shuffle sideways past. BedFly was built to do that work for you so a good night’s sleep does not start with a returns label.

The site is a set of small, single-purpose calculators, each aimed at one real question you face when kitting out a bedroom. The Mattress Size Guide lays out the exact dimensions of every standard size, US and UK, and shows which fit your room. The Duvet Tog Calculator turns the season and your bedroom temperature into a tog rating that keeps you comfortable year round. The Sheet Thread Count Guide translates a thread count and fabric into an honest quality tier. The Bedding Size & Fit Calculator matches your mattress depth and size to the fitted-sheet pocket and duvet-cover size you actually need. The Bed & Room Fit Planner checks that a bed leaves you room to walk on every side. And the Pillow Loft & Firmness Finder suggests a pillow height and feel from how you sleep and your build.

Beyond the calculators, the blog and learn section cover mattresses and bed frames, sheets and duvets, pillows and bedding care, and calm bedroom design, along with the reasoning behind the numbers the tools produce. The Beds & Sleep Museum is a browsable collection of the beds, mattresses, bedrooms, and sleep customs that shaped how we rest, with every entry, image, and fact drawn from Wikipedia and Wikimedia Commons.

A few things worth stating plainly. BedFly is an independent site, not a retailer, a manufacturer, or a sleep clinic, and it is not affiliated with any bedding brand. It is supported by advertising, which is how the tools stay free with no account required. Every result — a recommended tog, a fitted-sheet size, a clearance check, a pillow loft — is a general estimate built on the numbers you enter and on standard sizing conventions, not personalised product, health, or sleep-medicine advice. Beds and bodies vary, so treat anything about comfort or health as a starting point and confirm exact dimensions with the manufacturer before you buy. If a tool looks off, or you think a calculator is missing that would help, the contact page is the place to say so.