Ski Size
Ski length from height, weight, ability & terrain. Beginners: height − 10–15 cm. Evo, REI, Blister. Free ski size calculator.
📋 Quick Examples — Click to Load
📊 Ability Offset (cm)
📈 Terrain Offset
🍩 Width Categories (mm)
📉 Slalom Length Over Time
For educational and informational purposes only. Verify with a qualified professional.
Ski length is chosen from height, weight, ability, and terrain. Beginners: height − 10 to 15 cm for easier turning. Intermediate: height − 5 to 10 cm. Advanced: height to height + 5 cm. Powder adds 5–10 cm for float. Width underfoot ranges from 68 mm (race) to 120 mm+ (powder). The shaped ski revolution since the 1990s reduced typical lengths by 20–40 cm.
Sources: Evo.com, REI, Blister Review.
Key Takeaways
- • Shorter skis turn easier; longer skis are more stable at speed
- • Width underfoot determines float in powder vs edge grip on hardpack
- • Rocker reduces effective edge—consider going slightly longer
- • Heavier skiers need more length; lighter skiers can go shorter
Did You Know?
How Does Ski Sizing Work?
Ability-Based Offset
Beginners subtract 10–15 cm for easier turning. Intermediates subtract 5–10 cm. Advanced skiers use height to height + 5 cm. Experts may go slightly longer for stability.
Terrain Adjustment
Groomers: no extra length. All-mountain: +2–5 cm. Powder: +5–10 cm for float. Match length to your primary terrain.
Weight Factor
Heavier skiers (90+ kg) add 5 cm. Lighter skiers (under 60 kg) subtract 5 cm. Weight affects how much ski you need for support.
Expert Tips
Ability & Terrain Comparison
| Ability | Offset | Terrain | Add |
|---|---|---|---|
| Beginner | −10 to −15 cm | Groomers | 0 |
| Intermediate | −5 to −10 cm | All-Mountain | +2–5 cm |
| Advanced | 0 to +5 cm | Powder | +5–10 cm |
| Expert | +0 to +5 cm | — | — |
Frequently Asked Questions
How do I choose the right ski length?
Ski length depends on height, weight, ability level, and terrain. Beginners: height − 10 to 15 cm. Intermediate: height − 5 to 10 cm. Advanced: height to height + 5 cm. Powder skiing adds 5–10 cm for float.
Why have ski lengths decreased since the 1990s?
The shaped ski revolution (parabolic sidecut) made shorter skis more maneuverable. Modern slalom skis are 155–165 cm vs 200 cm+ in the 1980s. Shorter skis turn easier and perform better on groomed snow.
What does width underfoot mean?
Width underfoot (mm) determines ski category. Race skis: ~68 mm. All-mountain: 85–95 mm. Powder: 100–120 mm+. Wider skis float better in deep snow but are slower edge-to-edge on hardpack.
What is rocker and how does it affect length?
Rocker (early rise) reduces effective edge length. A 175 cm rockered ski skis shorter than a 175 cm cambered ski. Consider going slightly longer with rockered skis for equivalent stability.
Should heavier skiers use longer skis?
Yes. Heavier skiers need more ski surface for support. Add 5–10 cm to the base recommendation. Lighter skiers can go shorter for easier turning. Weight matters as much as height.
Can I use one ski for all terrain?
All-mountain skis (85–95 mm) work for most conditions. Dedicated powder skis (100 mm+) sacrifice hardpack performance. Race skis excel on groomers but struggle off-piste. Match skis to your primary terrain.
Key Statistics
Official Data Sources
⚠️ Disclaimer: This calculator is for educational purposes only. Ski sizing varies by brand and model. Demo skis when possible. Not professional advice. Conditions and personal preference affect optimal length.