We build custom snowboards for lots of individuals, and the question we probably get asked the most by beginners is “What is the best size for me?” Well, if you absolutely don’t know what size board you need, or what type of riding you will be doing. You can use this simple formula to figure out what size board you should start with.
Take your height in inches and convert it to centimeters, 1 inch = 2.54cm: so if you are 5 foot 9 it would be (69 * 2.54) = 175.26cm. Then multiply that number by 88% or .88 (175.26*.88) = 154.23. So you would want a 154 cm board or something close. Now this is just our own theories, what are yours?