Alpine Precision · Free Sizing Tool
Live readout · updates as you type · no account needed
Recommended length
Min
151
Target
155
Max
159
At 74 kg and 178 cm with a all-mountain bias, a 155 cm deck balances edge grip and turn initiation. It sits in the forgiving middle: quick edge to edge, still calm on groomed faces. A 251 mm waist keeps a EU 43 boot from dragging through the turn.
Reference Tables
Weight-led ranges matched to ability bands. All lengths in centimetres.
| Weight kg | Novice | Adv. | Pro |
|---|---|---|---|
| 60–70 | 150 | 153 | 156 |
| 70–80 | 153 | 156 | 160 |
| 80–90 | 156 | 160 | 164 |
| 90–100 | 160 | 164 | 168 |
| Weight kg | Novice | Adv. | Pro |
|---|---|---|---|
| 45–55 | 138 | 142 | 146 |
| 55–65 | 143 | 147 | 151 |
| 65–75 | 147 | 151 | 155 |
| 75+ | 151 | 155 | 159 |
| Height cm | Learn | Ride | Grow |
|---|---|---|---|
| 100–110 | 90 | 95 | 100 |
| 110–125 | 100 | 108 | 115 |
| 125–140 | 115 | 122 | 130 |
| 140–155 | 130 | 138 | 145 |
Sizing Library
54 guides grouped by intent. Every page routes back to this calculator.
Field Notes
Still torn between two sizes? The calculator weighs all five inputs together, so the readout you get is the balanced answer, not a guess.
Read the full sizing methodStart with weight: most riders land within 4 cm of 128 cm plus 0.62 cm for every kilogram over 55 kg, then adjust for height. A 74 kg rider at 178 cm sits around 156 cm. Our calculator blends both numbers and applies ability and terrain offsets.
Size up 2–4 cm. Extra length adds surface area and float, and it keeps the nose from diving in deep snow. A set-back stance gives you part of the same benefit without changing boards.
Take your calculated target and subtract about 3 cm, then choose a soft flex (3–4 out of 10). A shorter, softer board turns at low speed and forgives edge mistakes while you learn.
Usually yes. Above EU 45 (roughly 28.5 mondo), a waist width under 255 mm leaves too much boot hanging over, and your toes or heels can drag on hard carves. Look for a wide model at the same length.
Longer boards have more effective edge, which damps chatter and holds a line at speed. Length alone will not make you faster, but it will make high speed feel controlled instead of nervous.
Use height rather than weight for riders under about 45 kg. A board that reaches somewhere between the chest and the chin is right. Resist buying two sizes up for growing room — an oversized board is genuinely harder to learn on.
It is a useful sanity check, not a formula. It ignores weight completely, so a light tall rider ends up on far too much board. Use it to double-check the calculator's number, not to replace it.
About 5 cm across the whole range. Beginners ride roughly 3 cm short of the target for easier turns; advanced riders ride about 2 cm long because they load the board hard enough to use the extra edge.