SUP Paddle Length Tips:

Flat Water Paddling: 8-10" taller than your height.

Surfing or Whitewater River Running: 4-8" taller than your height.

Large blades: 90-100 sq. in. Generate more power but need more power to paddle; Best for larger strong paddlers; Best for well-conditioned paddlers on fast boards; Less strokes per minute.

Small blades: 70-87 sq. in. Easier on all the joints and muscles; Best for a quick cadence; Best for dynamic turns; Best for smaller paddlers; Best if you have shoulder problems; More strokes per minute with less energy per stroke.