Ski DIN Calculator

ISO 11088 DIN chart

Code	Weight (kg)	Height (cm)	≤230	231–250	251–270	271–290	291–310	311–330	≥331
A	10–13		0.75	0.75
B	14–17		1.00	0.75	0.75
C	18–21		1.50	1.25	1.25	1.00
D	22–25		2.00	1.75	1.50	1.50	1.25
E	26–30		2.50	2.25	2.00	1.75	1.50	1.50
F	31–35		3.00	2.75	2.50	2.25	2.00	1.75	1.75
G	36–41			3.50	3.00	2.75	2.50	2.25	2.00
H	42–48	≤148			3.50	3.00	3.00	2.75	2.50
I	49–57	149–157			4.50	4.00	3.50	3.50	3.00
J	58–66	158–166			5.50	5.00	4.50	4.00	3.50
K	67–78	167–178			6.50	6.00	5.50	5.00	4.50
L	79–94	179–194			7.50	7.00	6.50	6.00	5.50
M	≥95	≥195				8.50	8.00	7.00	6.50
N						10.00	9.50	8.50	8.00
O						11.50	11.00	10.00	9.50

Manufacturers’ charts can differ by a quarter or half step. The value must lie within your binding’s adjustment range.

How to use

1Read the safety notice: the result is for reference, bindings are set by a certified technician.
2Enter weight, height, age and the boot sole length printed on your boot heel (mm).
3Choose your skier type honestly: I, II or III (or −I / III+).
4See your skier code, how it was reached and the DIN value highlighted in the chart.

How the ISO 11088 chart works

Your weight and height each give a skier code from A to M; the code nearer the top of the chart (the lower letter) is used. Type I skiers keep that code, Type II move down one row and Type III two rows; Type III+ adds one more, Type −I moves one row up. Skiers aged 50 or over, or under 10, move one row up. The boot sole length column then gives the value. Example: 75 kg and 178 cm are both code K; a Type II skier moves to L, and with a 305 mm sole the chart gives 6.5. Values here follow the widely published version of the ISO 11088 chart; manufacturers’ charts can differ by a quarter or half step.

Why you must not set it yourself

A DIN that is too high stops the binding releasing in a twisting fall, which is a classic cause of knee ligament and lower-leg injuries; too low and the ski pre-releases, causing falls at speed. A technician checks that the boot fits the binding norm (ISO 5355 alpine or GripWalk/WTR soles), sets forward pressure, adjusts toe and heel and verifies the release torque on a calibration machine. Have this done when you buy or rent, when you change boots and at the start of every season.

Choosing your skier type honestly

Type I: cautious, slow speeds, easy runs. Type II: moderate speeds on varied terrain – most recreational skiers. Type III: fast, aggressive skiing on steep terrain. Most people overrate themselves; a higher type only raises the value and reduces the chance of release. If in doubt, tell the technician the lower type.

Frequently asked questions

What DIN setting should I use?

Most recreational adults land between about 4 and 8 on the ISO 11088 chart. Your exact value depends on weight, height, age, skier type and boot sole length, and must be set and tested by a certified technician.

Where do I find my boot sole length?

It is the three-digit number in millimetres printed on the heel or the side of the ski boot shell, for example 305 mm. It is not your shoe size.

Is the DIN the same on the toe and the heel?

The chart gives one value for both, but technicians may set them slightly differently after the release test, and some bindings use separate scales.

Can I adjust my own ski bindings?

You should not. Without a calibration test you cannot know the real release torque; worn bindings or a boot that does not match the norm can release very differently from the number on the scale.

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