River Surfboard Volume Calculator
Find the right liter count for your weight, style, and skill.
Your specs
Adjust the slider and toggles to match your ride.
170lb
100 lb260 lb
Recommended volume
26.2L
Baseline volume for intermediate riders
Moderate confidence
Volume scales with rider weight using a river Guild Factor. Use as a starting point, not a rule.
Recommended boards for you
Loading boards…
This calculator is a guide, not gospel. River wave shape, booties, and personal preference all shift the ideal volume. When in doubt, demo before you buy.