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Alpine Skiing

DIN Setting Estimator (Educational)

Educational ski binding DIN (release value) estimator based on the ISO 11088 weight method: enter weight, height, boot sole length, skier type, and age for an indicative DIN. A certified technician must set and test the final value.

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The DIN (release value) on a ski binding sets how much force releases the boot. This tool estimates an indicative DIN using the ISO 11088 weight method — the same four-step lookup a shop uses for a starting value (DIN Chart, DIN Calculator). Enter your weight, height, boot sole length, skier type, and age to see the code-by-code working. It is educational only.

Stop — read before using

This tool is educational only. The estimated DIN is an initial reference, not a setting to apply yourself. An incorrect DIN can cause serious injury or death — too high and the binding may not release in a fall; too low and it may release unexpectedly. A certified binding technician must set, test, and verify your DIN with a calibrated dynamometer before you ski (DIN Chart).

I understand this is an educational estimate only and that a certified technician must set and test my final DIN.

DIN estimator inputs

Body weight (unclothed, kg)Height (cm)Boot sole length (mm)Skier typeType I — cautious / beginnerType II — moderate / intermediateType III — aggressive / advancedAge (years)Estimate DIN

Weight must be the skier's unclothed weight per ISO 11088 (DIN Chart). Boot sole length is printed on the side or heel of the boot.

Educational estimate — not for use without certified technician verification

Indicative DIN: —

This is a starting reference only. A certified technician must test the actual release torque with a calibrated instrument and adjust as needed (DIN Chart).

On this page

How the ISO 11088 DIN lookup works

DIN is the standardized release-value scale for ski bindings — a higher number means the binding holds the boot with more force before releasing (DIN Calculator). The setting is not a single formula; it is a four-step lookup defined by ISO 11088 (the alpine-ski-binding release-torque selection standard) that every major binding brand — Marker, Salomon, Look, Tyrolia, Atomic, Rossignol, and Fischer — uses identically (DIN Calculator, Calculover).

  1. Base skier code. Weight (and, for heavier skiers, height) is matched to a letter code from A through M (DIN Chart, Acton Cycles).
  2. Skier type adjustment. The code shifts one step toward A for cautious skiers (Type I) or one step toward M for aggressive skiers (Type III) (Mechanics of Sport).
  3. Age adjustment. Skiers under 10 or over 50 shift one further step toward A (DIN Chart).
  4. Boot-sole cross-reference. The adjusted code is read against the boot sole length column to get the DIN (DIN Chart).

When weight and height point to different codes, the chart uses the lower code (toward A), which is the more conservative value (DIN Calculator, Calculover). Weight is the primary factor; height only moves the code when a skier is short relative to their weight (Calculover).

The A–M skier code table

The ISO 11088 base codes run from A (lightest) to M (heaviest). The full chart below shows the DIN at each code for every boot-sole-length band; values are taken from the published chart and are consistent across sources (DIN Chart, Acton Cycles, Mechanics of Sport).

Code Weight (kg) BSL ≤250 251–270 271–290 291–310 311–330 >331

Weight bands and DIN values per the ISO 11088 indicative chart (DIN Chart). Codes N, O, and P exist only for aggressive (Type III) skiers at the top of the chart and can reach DIN 13.0; race bindings may go higher and require a race technician (Powder7).

Skier type adjustments

Skier type moves the base code one row before the boot-sole lookup. The standard definitions are:

  • Type I (cautious / beginner) — skis gently and conservatively; shifts one code toward A (lower DIN, releases more easily) (Mechanics of Sport).
  • Type II (moderate / intermediate) — recreational skier on most runs; no adjustment, uses the base code (Mechanics of Sport).
  • Type III (aggressive / advanced) — fast and forceful on steep terrain; shifts one code toward M (higher DIN, releases less easily) (Mechanics of Sport).

The row-shift method is more accurate than a simple ±1 DIN tweak because each sole-length column shifts by a different amount (DIN Chart).

Age adjustments

After the skier-type shift, skiers under 10 or over 50 move one further row toward A — a conservative reduction because younger and older skiers' physiology makes lower release values safer (DIN Chart). Applied together, a young cautious skier (Type I, under 10) can shift two rows toward A from their base code.

Why boot sole length changes the DIN

A longer boot sole creates more leverage on the binding, so an identical skier with a longer sole gets a lower DIN than one with a shorter sole — which is why the chart cross-references code against sole length rather than using a single number (DIN Chart, DIN Calculator). Read the sole length (in millimeters) printed on the side or heel of the boot; entering the wrong value gives a meaningless estimate.

Related: sole compatibility

DIN sets how the binding releases; sole compatibility sets whether your boot fits the binding at all. See the boot sole length & binding compatibility guide for the ISO sole-standard matrix.

Check sole compatibility

Keep reading

Educational only. This estimator produces an indicative DIN per the ISO 11088 weight method and is not a binding-setting instruction. A certified technician must set, test, and verify the final release value on calibrated equipment before skiing. Incorrect DIN settings can cause serious injury or death.