THE BOARD HOGS FIELD TOOL · NO. 01

FIND YOUR
FLOAT.

How much surfboard volume do you need? Start with your weight and the way you surf. Get a useful range in liters, then find a shape that makes sense for your waves.

Dial it in
01 / THE RIDER

Your starting volume

Move the controls. Your range updates as you go.

kg
40 kg140 kg
What kind of board?

02 / READ THE RESULT

A RANGE.
NOT A RULE.

Volume is the space a surfboard occupies, measured in liters. More liters generally mean more flotation for the same rider. We start with a volume-to-weight ratio, then adjust it for your board style, experience, surf frequency and usual waves.

Your result is a starting range, not a precise fit or a promise about how a board will paddle. A wide fish, a narrow mid-length and a performance shortboard can all carry similar liters while riding very differently.

Use a board you know as your best reference. If you want more wave catching, look toward the higher end and compare length, outline and rocker. If you want a livelier turn, look toward the lower end, but keep the waves you actually ride in mind.

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03 / GOT THE DIMS?

Estimate a board's liters.

Know the length, width and thickness but not the volume? Get a rough estimate from the board's dimensions. The exact outline, rails and foil still matter.

ROUGH ESTIMATE31.9 L

Calculated from a rectangular volume with a shape adjustment. Actual manufacturer volume can differ.

THE NEXT STEP

The right liters. The right shape.

Take your range to the catalog and compare actual models, dimensions and what riders say about them.

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Quick questions

What is a good surfboard volume for a beginner?

A beginner usually benefits from more flotation and stability, but board length and outline matter as much as liters. Start with a forgiving funboard or longboard and prioritize catching waves consistently.

Can two boards with the same liters surf differently?

Yes. Length, width, rocker, rails, foil and fin setup change how a board paddles and turns. Compare the whole design, not just the volume label.

How is the starting range calculated?

We multiply your weight in kilograms by a volume-to-weight ratio. Ability sets the baseline; board style, surf frequency and wave type shift it. The range spans roughly 9% either side of the starting point, or 12% for learners. These are editorial guide values, not a measured fit for a particular model.

How accurate is a dimensions estimate?

It is only approximate. We multiply length, width and thickness, convert cubic inches to liters, then apply a shape factor between 0.54 and 0.58. The dimensions describe the widest and thickest points; the calculator cannot measure the full three-dimensional board.

For a deeper explanation, read our guide to surfboard volume. You can also explore Lost's volume-to-weight discussion and Surfing Waves' dimensions method.