CasterHQ Inch to Metric Conversion Chart

Official Conversion Chart for the Caster and Wheel Industry by CasterHQ

In the Caster and Wheel industry, measurements need to be precise before deciding which caster to purchase. Casters come in a variety of mounting plate sizes, stem sizes, and bolt hole sizes, to name a few important metrics. Wheel bores also come in a few different inner diameters that you may need to know before ordering a replacement caster wheel. This chart below will help you determine what size you need in both inches and millimeters to make it easier for you to find the perfect caster or wheel for your next order. If you need help, please reach out to one of our live customer representatives either on live chat, email, or call us Monday thru Friday from 8 am through 5 pm CST.