It is important to get it right the first time:
Using a flexible measuring tape (those grade school rulers are a bit unwieldy) you can measure either your current cushion or the furniture where the cushion will used.
Measure the total distance to the nearest 1/8th of an inch.The measurements we need are shown on the image on this page (usually length, width, and thickness).
We welcome any questions you have about taking measurements, and will gladly respond to your emails, with or without photos, to help you to stay on the right track.
Residents of Phoenix Metropolitan Area, are offered FREE measurement and delivery service upon request.