WriteMyMessage.com is a free collection of home and furniture planning calculators, built to take the guesswork out of everyday space and layout decisions. Whether you're picking a rug for your bedroom, checking if a king bed will fit your master bedroom, or figuring out how much clearance your kitchen island needs, our tools give you a fast, practical answer based on real interior design standards.
Most people planning a room end up guessing furniture sizes, measuring by eye, or scrolling through dozens of blog posts to find a simple answer. We wanted a place where you can enter your room's measurements and instantly see what fits, what size to buy, and how much space to leave — without wading through unrelated content.
Each calculator on this site is built using established interior design and furniture-spacing guidelines rather than a single generic formula. For example, our bedroom and living room tools account for furniture arrangement style and walkway clearance, not just raw room dimensions. We aim for practical, real-world accuracy rather than oversimplified math.
Our calculators provide estimates based on general design standards. Every room and household is different, so we recommend using our results as a starting point and double-checking exact measurements before making a purchase. See our Disclaimer for more details.
Have a suggestion for a new calculator, or spotted something that needs fixing? Visit our Contact page — we'd love to hear from you.