Chair & Seating Tools & Calculators
Free, practical tools for every chair — size your seat and desk height, check recliner clearance, compare cost per year, plan reupholstery fabric, and schedule sitting breaks.
Seat Height Calculator
Get a recommended seat height from your standing height — a starting point for setting up an office chair, dining chair, or any seat you sit in for long stretches
Desk Height Calculator
Get a recommended desk height from your standing height, keeping your elbows near a 90-degree angle when typing — a quick check before you buy or adjust a desk
Recliner Clearance Calculator
See how much floor space a recliner needs to fully extend, from its seat depth and recline extension — measure your room before you buy or place the chair
Chair Cost Per Year Calculator
Spread a chair's price over its expected years of use to see the true cost per year — compare a cheap chair you might replace often against a pricier one built to last
Reupholstery Fabric Calculator
Estimate the total yards of fabric you need to reupholster a set of chairs, from the number of chairs and the fabric typically used per chair — plan your order before you cut
Sitting Break Calculator
Work out how many minutes of standing or walking breaks to build into your day, from your daily sitting hours and a target break percentage — counter a sedentary desk job