This ski size calculator recommends a ski length range from your height, weight, ability and terrain style — the starting chart every ski shop uses, with the adjustments that actually move the answer.
Length Follows the Skier, Not Just the Ruler
The classic chart starts at height (beginner ≈ height −15 cm, intermediate −10, expert near full height) because a ski's job scales with the lever it must support. Then three honest adjustments: weight (heavier skiers flex a ski deeper → longer), terrain (powder wants surface area → longer/wider; park wants swing weight down → shorter), and rocker (tip rise shortens the effective edge → size up a touch). Part of our Sports Calculators collection.
Worked Example (Verified)
- 175 cm, 75 kg, intermediate, groomed/all-mountain (defaults): base 165 → range 162–169 cm before style adjustment; the all-mountain setting nudges to 163–170 — squarely the "between chin and nose" band shops quote
- Same skier, powder: +5 → ~168–175 cm, and width underfoot matters even more (105 mm+ waists float where length alone can't)
- A 160 cm beginner: 142–149 cm — short enough to pivot and forgive; sizing a learner on expert-length skis is the rental counter's cruelest error
- Kids: weight and ability dominate (height-only charts overshoot for light children) — the weigh-in matters more than the tape measure until teens
Beyond Length
- Waist width: 80–88 mm groomers, 90–100 all-mountain, 105+ powder — the second number on the ski (e.g. 170/98/120) matters as much as the first.
- Flex/stiffness: heavier and faster skiers need stiffer skis to avoid folding them at speed; length can't compensate for a noodle.
- Renting first is data collection: two days on two lengths teaches more than any chart — keep notes on which felt stable vs twitchy.
Related Tools
- Shoe Size Converter — boots are the other fit that ruins trips
- Wind Chill Calculator — the lift-ride number that picks your layers
- Sports Calculators — the full collection
Frequently Asked Questions
What size skis do I need for my height?
As a starting band: beginners around height −15 cm (chin height), intermediates −10 cm (nose), advanced −5 to 0 (forehead/top of head). A 175 cm intermediate lands at ~162–169 cm before weight and terrain adjustments — this calculator layers those on.
Should skis reach your chin or your forehead?
Both rules circulate because they describe different skiers: chin-to-nose for learning and control, nose-to-forehead for speed, carving and powder. Ability and terrain — not a single landmark — settle it, which is why this tool asks about both.
Does weight matter for ski length?
Yes — a ski responds to the force bending it. Heavy-for-height skiers should take the top of (or above) their height band; light skiers the bottom. This calculator shifts ±3 cm for weight outliers; extreme cases (very heavy beginners) belong in a shop conversation.
Longer or shorter skis for powder?
Longer and wider: flotation is surface area, and powder skis pair ~+5 cm of length with 105 mm+ waists and deep rocker. The same skier's groomer and powder skis often differ by 8–10 cm — quiver logic, not inconsistency.
Can skis be too long for a beginner?
Yes — the classic beginner mistake. Long skis resist turning at low speed, catch edges in the wedge, and teach defensive habits. Rent short, progress fast, then lengthen — shops swap sizes within the season for exactly this reason.
Is this ski size calculator free?
Yes — free, instant, no sign-up. A sizing guide, not a substitute for a fitter with your boots in hand.