Paddleboard Size Chart: Choosing SUP Length, Width and Volume
For anyone choosing a stand-up paddleboard (SUP): the length, width, thickness and volume that suit your weight and the way you paddle, plus paddle length and what the board takes up off the water.
Most adults start on an all-round SUP 10 ft 6 in to 11 ft 6 in long (320 to 351 cm) and 31 to 34 in (79 to 86 cm) wide. Riders over about 200 lb (91 kg) should look at 11 ft 6 in to 12 ft and 33 to 35 in wide. Inflatable boards are usually 6 in (15 cm) thick, and the paddle should be about 8 to 10 in (20 to 25 cm) taller than you.
- All-round length
- 10'6"–11'6"
- Beginner width
- 31–34 in
- Inflatable thickness
- 6 in (15 cm)
- Paddle length
- height + 8–10 in
On this page
Paddleboard size chart by rider weight
Weight decides how much board you need to float on and stay stable. The chart is for all-round boards on flat water, the most common first purchase. If you are between rows, the larger board is the safer choice while you learn.
| Paddler weight | Board length | Width | Typical volume |
|---|---|---|---|
| Under 100 lb (45 kg) | 7'0"–9'6" (213–290 cm) | 26–30 in (66–76 cm) | 100–180 L |
| 100–150 lb (45–68 kg) | 9'6"–10'6" (290–320 cm) | 30–32 in (76–81 cm) | 180–250 L |
| 150–200 lb (68–91 kg) | 10'6"–11'6" (320–351 cm) | 31–34 in (79–86 cm) | 230–300 L |
| 200–250 lb (91–113 kg) | 11'6"–12'0" (351–366 cm) | 33–35 in (84–89 cm) | 280–340 L |
| Over 250 lb (113 kg) | 12'0"+ (366 cm+) | 34–36 in (86–91 cm) | 320 L+ |
Add the weight of anything you carry: a cooler, a dog or a child on the nose all count. For a dog of 50 lb (23 kg) or more, size up one row.
SUP sizes by board type
Use matters as much as weight. Longer, narrower boards track straight and glide; shorter, wider boards turn quickly and feel steady.
| Type | Length | Width | Good for |
|---|---|---|---|
| Surf SUP | 7'6"–9'6" (229–290 cm) | 26–32 in | Catching waves; less stable on flat water |
| Kids | 7'0"–9'6" (213–290 cm) | 26–30 in | Riders under about 100 lb |
| All-round | 10'0"–11'6" (305–351 cm) | 30–34 in | Beginners, lakes, mixed use |
| Yoga / fitness | 10'6"–11'0" (320–335 cm) | 32–36 in | A wide, flat deck to kneel and stretch on |
| Fishing | 11'0"–12'6" (335–381 cm) | 34–36 in | Standing still with gear and a cooler |
| Touring | 12'0"–14'0" (366–427 cm) | 28–32 in | Distance, carrying gear on the nose |
| Race | 12'6" or 14'0" (381 or 427 cm) | 21–28 in | Speed; needs good balance |
| Tandem / group | 15'0"–18'0" (457–549 cm) | 35 in+ | Two or more adults |
Race boards come in fixed length classes because racing rules group them that way: 12 ft 6 in and 14 ft are the standard adult classes, with shorter boards used in some youth and recreational races. A 14 ft board is faster on a long course; 12 ft 6 in turns more easily around buoys.
Width, thickness and volume explained
A board's listing reads like 10'6" × 32" × 6", then a volume and a weight capacity. Each number changes the ride in a predictable way.
- Width: the biggest single factor in stability. Going from 30 to 32 in is a noticeable gain for a beginner; above about 34 in the board becomes slow and hard to paddle straight because your stroke has to reach farther out.
- Thickness: inflatables are 6 in (15 cm) for adults, sometimes 4 to 4¾ in (10 to 12 cm) for children and light riders. Hard boards are about 4 to 5 in thick. More thickness adds volume and stiffness but raises your feet, which makes the board feel less steady.
- Volume: the board's displacement in liters. A common guide is at least 2 liters per kilogram of paddler weight for a stable flat-water board (about 0.9 L per lb), dropping toward 1.5 L per kg for experienced paddlers. A 10'6" × 32" × 6" inflatable holds roughly 280 to 320 L.
- Weight capacity: makers often print a maximum load of 250 to 400 lb. That is the load at which the board still floats, not the load at which it paddles well. Keep your total weight, with gear, to about two thirds of the printed maximum for good performance.
A surfer's board might carry 0.4 to 1 liter per kilogram, because it moves under power from the wave. A SUP has to hold you upright while you stand still, so it carries two or more times your weight in liters. The surfboard size chart explains the surf-volume rule.
SUP paddle length
Stand the paddle upright in front of you with the blade on the ground. For flat-water paddling, the handle should reach about 8 to 10 in (20 to 25 cm) above your head, so you can reach up and wrap your hand over the top.
| Paddler height | All-round / flat water | Surf SUP | Touring / race |
|---|---|---|---|
| 5 ft 0 in (152 cm) | 68–70 in (173–178 cm) | 66–68 in | 70–72 in |
| 5 ft 4 in (163 cm) | 72–74 in (183–188 cm) | 70–72 in | 74–76 in |
| 5 ft 8 in (173 cm) | 76–78 in (193–198 cm) | 74–76 in | 78–80 in |
| 6 ft 0 in (183 cm) | 80–82 in (203–208 cm) | 78–80 in | 82–84 in |
| 6 ft 4 in (193 cm) | 84–86 in (213–218 cm) | 82–84 in | 86–88 in |
Adjustable paddles span about 66 to 86 in, which covers most adults and makes a family board easier to share. A paddle that is too long tires the shoulders; one that is too short makes you hunch.
Inflatable vs hard board sizes
Inflatable (iSUP)
- Rolls up to about the size of a large backpack or wheeled bag, often around 36 × 16 × 12 in (91 × 41 × 30 cm)
- Boards 10'6" to 11'6" usually weigh 18 to 26 lb (8 to 12 kg)
- Needs 12 to 18 psi to be stiff; check the maker's rating
- Fits in a car trunk, closet or checked luggage
Hard (epoxy or plastic)
- Full length at all times: an 11 ft board needs 11 ft of storage and a roof rack
- Epoxy boards of 10'6" to 11'6" usually weigh 20 to 30 lb (9 to 14 kg); rotomolded plastic boards are heavier
- Stiffer and quicker for the same dimensions, and better in waves
- Thinner (4 to 5 in) for the same stability
An inflatable and a hard board with the same printed size do not feel identical. The inflatable's rounded, thicker rails make it feel a little less stable, so some paddlers choose an inflatable an inch wider than the hard board they would buy.
Storing and transporting a paddleboard
- Wall storage: hang hard boards horizontally on padded wall cradles or straps at roughly the board's quarter points, deck facing out. An 11 ft board needs a clear 11 ft wall section.
- Roof rack: carry the board deck down, fins at the back, on padded crossbars spaced at least 24 to 30 in apart. Overhang past the car's rear is normal; many US states require a red flag when a load extends more than 4 ft past the rear. The roof rack size guide covers crossbar spread and weight limits.
- Inflatables: store dry and loosely rolled, or partly inflated if you have the room. Avoid hot cars for long periods.
In the US, the Coast Guard classes a SUP used outside a designated swimming, surfing or bathing area as a vessel. As of 2026 that means each paddler must have a USCG-approved life jacket on board, plus a sound device such as a whistle and, after dark, a light. Children under 13 must wear their life jacket under federal rules unless the state sets its own age. Wear a leash as well: a 10 ft coiled leash suits flat water. State rules can be stricter, so check locally.
If you are deciding between a SUP and a sit-on-top boat, the kayak size guide compares lengths, widths and weight capacities, and the sports sizes hub covers equipment for other water and snow sports.
Frequently asked questions
What size paddleboard for a 200 lb person?
An all-round board around 11 ft 6 in (351 cm) long and 33 to 34 in wide, with 6 in of thickness if inflatable, is a stable starting point. Look for a published weight capacity well above 200 lb, ideally 300 lb or more, because boards feel tippy near their rated limit.
Is a 10 ft paddleboard big enough?
For riders up to about 150 lb (68 kg) and for children, yes: a 10 ft board turns easily and is light to carry. Heavier adults are usually more stable on 10 ft 6 in or longer, and a 10 ft board is slow for distance paddling.
How thick should an inflatable paddleboard be?
6 in (15 cm) for adults. A 4 to 4¾ in inflatable flexes in the middle under an adult and sits lower in the water, so it is only suitable for children and riders under about 120 lb. Hard boards are thinner, about 4 to 5 in, because their foam core does not flex.
Can two people use one paddleboard?
An adult and a child or a dog can share a large all-round board if their combined weight is well inside its capacity. Two adults need a tandem or group SUP, typically 15 to 18 ft long and 35 in or more wide.
What size paddleboard for kids?
Children under about 100 lb (45 kg) do best on boards 7 ft to 9 ft 6 in (213 to 290 cm) long and 26 to 30 in wide. Adult boards are too wide for a child's short paddle stroke and too heavy to carry.