Sizing skis isn’t just about your height — it’s height first, then your weight, skill, and skiing style. And once you have the ski sorted, your boots use a different sizing system entirely (Mondopoint), your poles depend on the discipline, and your binding DIN setting is a separate calculation that affects your safety on every run. Our ski size calculator above handles all five at once.
This guide covers the full ski size chart, how to size ski boots correctly, what flex index actually means, how to calculate a DIN setting, and how to size kids’ skis. If you just want your size, the calculator does it instantly. If you want to understand the reasoning — keep reading.
How to use the ski size calculator
Pick the tab for what you’re sizing — Ski Length, Ski Boots, Ski Poles, Kids’ Skis, or Binding DIN. Enter your real measurements (height, weight, foot length, skill level, skiing style) and the tool returns a recommended value with the full chart and adjustments. Switch tabs to size everything else without re-entering your details.
Ski size chart by height (downhill / alpine skis)
The base rule: for an average-build intermediate skier, ski length ≈ 90–95% of your height in centimeters. From there:
- Beginners subtract ~8 cm (shorter skis turn easier)
- Advanced skiers add ~5 cm (longer skis are more stable at speed)
- Park riders subtract another 5 cm (easier to spin)
- Powder/freeride add 8–10 cm (more float)
- Carving/racing add 2–5 cm (better edge hold)
Here’s a quick reference for intermediate, all-mountain skiers:
| Height (in) | Height (cm) | Recommended ski (cm) |
|---|---|---|
| 4’10” | 147 | 130–140 |
| 5’0″ | 152 | 135–145 |
| 5’2″ | 157 | 140–150 |
| 5’4″ | 163 | 145–155 |
| 5’6″ | 168 | 150–160 |
| 5’8″ | 173 | 155–165 |
| 5’10” | 178 | 160–170 |
| 6’0″ | 183 | 165–175 |
| 6’2″ | 188 | 170–180 |
| 6’4″ | 193 | 175–185 |
| 6’6″ | 198 | 180–190 |
For your exact size adjusted for skill level and skiing style, use the Ski Length tab.
Ski boot size chart (Mondopoint, US, UK, EU)
Ski boots are sized using the Mondopoint system — your foot length measured in centimeters. Every ski boot has its Mondopoint size printed on the shell. This is the only conversion that’s truly universal — US, UK, and EU shoe sizes vary by brand, but Mondopoint is exact.
| Mondopoint | Foot length | US Men’s | US Women’s | UK | EU |
|---|---|---|---|---|---|
| 22.5 | 225 mm | 4.5 | 5.5 | 3.5 | 35 |
| 23.5 | 235 mm | 5.5 | 6.5 | 4.5 | 36 |
| 24.5 | 245 mm | 6.5 | 7.5 | 5.5 | 37.5 |
| 25.5 | 255 mm | 7.5 | 8.5 | 6.5 | 39 |
| 26.5 | 265 mm | 8.5 | 9.5 | 7.5 | 40.5 |
| 27.5 | 275 mm | 9.5 | 10.5 | 8.5 | 41.5 |
| 28.5 | 285 mm | 10.5 | 11.5 | 9.5 | 43 |
| 29.5 | 295 mm | 11.5 | 12.5 | 10.5 | 44.5 |
| 30.5 | 305 mm | 12.5 | 13.5 | 11.5 | 45.5 |
| 31.5 | 315 mm | 13.5 | – | 12.5 | 47 |
To find your exact Mondopoint, measure your foot heel-to-toe in cm — that number IS your Mondopoint size. Stand on a piece of paper, mark the back of your heel and the tip of your longest toe, and measure. Use the longer foot.
How ski boots should fit
A correctly sized ski boot feels snug — not painful. Standing straight up in the boot, your toes should lightly brush the front. When you flex forward into a skiing stance, your toes should pull back from the front. This is the most common fitting mistake: don’t size up “for comfort.” Ski boots pack out 0.5–1 cm with use, so what feels snug today will feel just right in two weeks.
If your foot is wide, look for boots with a wider last (102–104 mm). Narrow feet need 97–98 mm. If you have unusual foot shape, a custom boot fitter is worth the money — most ski shops offer this service for $50–150.
What is ski boot flex index?
Every adult ski boot is rated with a flex index — a number from 50 to 140+ that measures stiffness. Higher = stiffer = more responsive at speed but less forgiving. Match flex to your skill level:
| Flex range | Skill level | Typical rider |
|---|---|---|
| 50–70 | Beginner | Kids, light beginners, casual once-a-year skiers |
| 70–90 | Beginner / Intermediate | Most women, lighter intermediates |
| 90–100 | Intermediate | Most men learning to carve, intermediate women |
| 100–110 | Intermediate / Advanced | Athletic intermediates, beginning advanced |
| 110–120 | Advanced | Strong all-mountain skiers |
| 120–130 | Expert | Aggressive expert skiers, big-mountain riders |
| 130–140+ | Race / Pro | Race-level skiers only |
Women’s flex ratings tend to run 10–20 points softer than men’s at the same skill level — both because women on average weigh less and because women’s boots are designed with anatomically softer flex even at equivalent numbers. A boot stiffer than your ability is painful to flex and harder to control — not a goal to “grow into.”
Ski pole size chart by height
Ski poles are sold in 5 cm increments and sized by height. The base rule: height in cm × 0.68 = pole length in cm. From there, racers go ~5 cm longer, park riders go ~5 cm shorter, and backcountry tourers often use adjustable poles.
| Height (in) | Height (cm) | Pole length |
|---|---|---|
| 4’10” | 147 | 100 cm |
| 5’2″ | 157 | 105 cm |
| 5’6″ | 168 | 115 cm |
| 5’8″ | 173 | 115 cm |
| 5’10” | 178 | 120 cm |
| 6’0″ | 183 | 125 cm |
| 6’2″ | 188 | 130 cm |
| 6’4″ | 193 | 130 cm |
| 6’6″ | 198 | 135 cm |
How to check pole length yourself
Flip the pole upside-down and grip just under the basket. With the tip on the floor, your forearm should be parallel to the ground — meaning your elbow forms a 90° angle. That’s a correct fit. If your hand is angled up or down, the pole is too long or short.
Kids’ ski size chart by age and height
Kids’ ski sizing is strictly height-based — weight, age, and skill matter much less than for adults. The general rule: kids’ ski length = height in cm − 10. Beginners drop another 5 cm.
| Age (approx) | Height | Ski length |
|---|---|---|
| 3 | 36″ / 91 cm | 70–80 cm |
| 4 | 40″ / 102 cm | 80–90 cm |
| 5 | 44″ / 112 cm | 90–100 cm |
| 6–7 | 48″ / 122 cm | 100–110 cm |
| 8–9 | 52″ / 132 cm | 110–120 cm |
| 10–11 | 56″ / 142 cm | 120–130 cm |
| 12–13 | 60″ / 152 cm | 130–140 cm |
| 14+ | 64″ / 162 cm+ | 140 cm+ (adult sizing) |
Don’t size up for kids “to grow into”
The biggest mistake parents make is buying oversized skis “so they’ll last a couple seasons.” An oversized ski is harder to turn, harder to stop, and harder to lift onto an edge — all of which make learning frustrating and can put kids off the sport. Kids typically outgrow their skis after 1–2 seasons regardless of starting length.
For kids under ~7 or who only ski a few times a season, season-long rentals are almost always cheaper than buying new — and most shops let you swap to a bigger size mid-season if needed.
Kids’ ski boot sizing
Kids’ ski boots use the same Mondopoint system as adult boots — measure foot length in cm, that’s the Mondopoint size. The main difference: kids’ US sizing maps to youth (Y) shoe sizes rather than men’s/women’s. The Ski Boots tab handles youth sizing directly.
| Mondopoint | Foot length | US Youth | EU |
|---|---|---|---|
| 17.5 | 175 mm | 11Y | 27 |
| 18.5 | 185 mm | 12Y | 28 |
| 19.5 | 195 mm | 13Y | 29 |
| 20.5 | 205 mm | 1Y | 31 |
| 21.5 | 215 mm | 2.5Y | 34 |
| 22.5 | 225 mm | 3.5Y | 35 |
| 23.5 | 235 mm | 4.5Y | 36 |
Cross-country (XC) and skate ski sizing
Cross-country ski sizing differs from alpine sizing. Classic XC skis are typically height + 20 cm (much longer than alpine). Skate skis are shorter than classic but still longer than alpine: height + 5–10 cm. XC ski poles are also longer:
- Classic XC poles: height × 0.83 (reach to your armpit)
- Skate ski poles: height × 0.90 (reach to your chin or nose)
Cross-country ski boots use the Mondopoint system like alpine boots, but the binding system is different (NNN or SNS) and not cross-compatible.
What is ski binding DIN setting?
DIN (Deutsches Institut für Normung) is the calibration number on every ski binding that controls at what force the binding releases your boot. Set too high: it won’t release in a crash, which can break your leg. Set too low: it releases on normal skiing motions, which causes unexpected falls. The correct DIN is critical.
DIN is calculated from your weight, height, age, boot sole length (BSL), and skier type per the international standard ISO 11088. The Binding DIN tab in the calculator estimates yours.
⚠ Important safety note
A calculated DIN value is an estimate only. The correct DIN for your equipment must be set, verified, and tested by a certified ski technician at a ski shop using a calibrated machine that confirms the binding actually releases at the right force. Never set or adjust your own DIN at home. Incorrect DIN settings are a leading cause of binding-related injuries.
Ski sizing by style: all-mountain, carving, park, powder
Modern skis are categorized by what they’re designed for. Your style affects both the length you should buy and the type of ski:
- All-mountain (60–95 mm waist) — Versatile skis that handle groomers, light powder, and bumps. Base length follows standard sizing.
- Carving / Race (60–75 mm waist) — Narrow, stiff skis designed for hard snow and aggressive turns. Size 2–5 cm longer than all-mountain.
- Park / Freestyle (75–95 mm waist, twin-tip) — Symmetric tips and tails for switch riding and tricks. Size 5 cm shorter than all-mountain.
- Powder / Freeride (100+ mm waist) — Wide skis with rocker for floating in deep snow. Size 5–10 cm longer than all-mountain.
Brand-specific ski size charts
Major ski brands publish their own height/weight charts on each ski’s spec page — and they’re usually within ±2 cm of the standard chart above. Differences come from the ski’s specific flex pattern, sidecut, and intended use, not the raw length.
For example:
- Rossignol typically follows the standard chin-to-forehead rule
- Nordica publishes weight-bracketed recommendations on every ski
- Salomon, K2, Atomic, Volkl, Head, Blizzard all use very similar height-based sizing
When in doubt, our calculator gives you a brand-neutral starting point — then cross-check against the specific ski’s spec page before buying.
FAQ section (single box)
How do I know what size skis I need?
Use the Ski Size Calculator at the top of this page. Enter your height (primary factor), weight, skill level, and skiing style — the tool returns a recommended length with min/ideal/max range. Most adult intermediate, all-mountain skiers end up between 155 cm and 175 cm depending on height.
What size skis for my height?
For an average-build intermediate, all-mountain skier: 5’2″ → ~143 cm. 5’6″ → ~155 cm. 5’10” → ~165 cm. 6’0″ → ~170 cm. 6’2″ → ~175 cm. Beginners go 5–8 cm shorter; powder/advanced skiers go 5–10 cm longer.
Should skis reach your chin or nose?
The old “chin to nose” rule still gives a reasonable ballpark — beginners want skis at chin level, intermediates between chin and nose, and advanced skiers nose to forehead. But modern sizing uses height as the base and adjusts for weight, skill, and style — the chin-nose test is now a sanity check, not the rule.
What size ski boots do I wear?
Ski boots use Mondopoint — your foot length in centimeters. To find yours: stand on a sheet of paper, mark the back of your heel and the tip of your longest toe, measure in cm, and that number is your Mondopoint size. US men’s 9 ≈ Mondopoint 27.5. US women’s 9 ≈ Mondopoint 25.5.
What is a 26.5 ski boot size?
A 26.5 Mondopoint boot is the right size for someone with a 265 mm foot length (about 10.4 inches). In US sizing, that’s roughly men’s 8.5 or women’s 9.5, UK 7.5, EU 40.5.
What is a 27.5 ski boot size?
A 27.5 Mondopoint boot fits a 275 mm foot length (about 10.8 inches). That’s roughly US men’s 9.5 or women’s 10.5, UK 8.5, EU 41.5.
Is Mondopoint the same as European size?
No — they’re different systems. Mondopoint is your foot length in cm (e.g. 27.5). European size is a separate scale (e.g. 41.5) that doesn’t directly map to a measurement. Most ski boots show Mondopoint as the primary size with EU/US as secondary references.
Should ski boots feel tight?
Yes — but tight, not painful. Toes should lightly brush the front of the boot standing, and pull back from the front when you flex forward into a skiing stance. Boots pack out 0.5–1 cm over the first 5–10 ski days, so what’s snug today becomes perfect later. Sizing up “for comfort” is the most common mistake new skiers make.
What size ski poles should I get?
Pole length = height in cm × 0.68, rounded to the nearest 5 cm. A 5’10” / 178 cm skier needs ~120 cm poles. To verify the fit: flip the pole upside-down, grip under the basket — your forearm should be parallel to the ground.
How do I calculate my binding DIN?
Use the Binding DIN tab in the calculator. Enter your weight, height, boot sole length (BSL — printed on your boot heel), age, and skier type (1, 2, or 3). The tool returns an estimated DIN per ISO 11088 standards. Always have a certified ski technician set and test your actual DIN at a ski shop — never set it yourself at home.
Do beginners need shorter skis?
Yes. Beginners benefit from skis 5–8 cm shorter than “standard” for their height. Shorter skis turn more easily, are more forgiving of edge mistakes, and require less effort at low speeds — all of which speed up learning. Our calculator applies this automatically when you select “Beginner.”
What’s the difference between alpine and cross-country ski sizes?
Alpine (downhill) skis are roughly chin-to-forehead height. Classic cross-country skis are typically your height + 20 cm. Skate skis are between the two: height + 5–10 cm. The boot systems are also different — alpine boots only fit alpine bindings; XC boots use NNN or SNS bindings.
What size skis for a 5 year old?
A 5-year-old at average height (~44 inches / 112 cm) typically uses 90–100 cm skis. Don’t size up “to grow into” — oversized skis are harder to learn on. Most kids that age also benefit from rentals over buying, since they’ll outgrow the skis in one season.
Are women’s skis different from men’s?
Yes. Women’s skis are typically 5 cm shorter than men’s for the same height/skill, with softer flex, narrower mounting points (for slightly different stance width), and lighter overall construction. Boots also differ: women’s-specific boots have lower cuff height, softer flex, and narrower heel pockets. If your weight matches but your foot is bigger than typical women’s last (102+ mm), look at unisex models.