Air rifle Teiler table: convert Teiler to decimal rings

September 7, 2026 · 5 min read

The Teiler is the distance from the center in hundredths of a millimeter: 1 Teiler = 0.01 mm between your shot hole’s center and the target center. To turn it into a ring score you need three dimensions of the air rifle target, and they are listed below with the formula. If you only came to look something up, the table comes first.

The Teiler table for the ten and the nine

The table works in tenths of a Teiler, the way ranges and scoring machines display the value. The upper limit still belongs to the better score: a 25.0 Teiler is a 10.9, a 25.1 Teiler a 10.8.

Full rings from 8 down to 1

From the eight outward, hardly anyone needs the tenths from a table; the full-ring limits are enough. Every ring is 250 Teiler wide, and the tenths inside it run in steps of 25 Teiler just like above.

Beyond 2,500 Teiler the shot hole no longer touches the one ring, and the shot counts zero.

The formula behind it

Three dimensions of the air rifle target define the table. The ten is a dot in the center of 0.5 mm diameter, so its radius is 0.25 mm or 25 Teiler. From ring to ring it is 2.5 mm, or 250 Teiler. The pellet is 4.5 mm in diameter, so its radius is 2.25 mm or 225 Teiler.

Then there is the edge rule: a shot scores a ring as soon as the edge of the shot hole touches the ring line. For a 10.0 the outer edge of the hole still has to reach the ten dot. That works as long as the hole’s center is at most 25 + 225 = 250 Teiler from the target center. This is exactly why the ten ends at 250 Teiler and every further ring 250 Teiler later. The outer limit of ring N sits at 250 × (11 − N) Teiler.

For the decimal score, each ring is divided into ten equally wide zones of 25 Teiler. As a formula:

Decimal score = 11 − Teiler ÷ 250, truncated to one decimal, capped at 10.9

The result is truncated after the first decimal place, which is how the ISSF rulebook defines it (rule 6.3.3.1): a shot has the value of the zone it lies in. A 200.4 Teiler computes to 10.198, and the score is 10.1. The cap at 10.9 is part of the formula, because the fraction alone gives 11.0 for a 0 Teiler, and the scale ends at 10.9.

Inner ten and caliber

On the air rifle target the inner ten is the ten dot itself. It counts when the shot hole has removed the dot completely. With a hole radius of 225 Teiler and a dot radius of 25 Teiler, that works up to a center distance of 200 Teiler. So inner tens are all shots of 10.2 and better, up to and including 200.0 Teiler.

The table is for the 4.5 mm caliber. Some scoring machines calculate with a 4.6 mm diameter by default, the SAM 4000 for example, and then every limit sits 5 Teiler further out: the 10.5 reaches to 130.0 Teiler there and the ten to 255.0. Why that is, and what it means when you compare two systems, is covered in Teiler and ring score.

Examples to check

Five values as they appear on printouts and displays:

You may know the 129.2 Teiler from the linked article: a SAM 4000 prints a 10.5 next to it, the 4.5 mm table says 10.4. The Teiler is the same in both cases, only the limit has moved.

What to do with your Teiler

Two shots scoring 10.3 can be a 152 and a 174 Teiler, and the ring score alone does not tell you which one was better. That is why the average Teiler over a series often moves before the ring total does when you improve.

After you scan a photographed target, Ring Reader shows the Teiler of every shot in the “Shot Breakdown”, along with the “Best Shot” and “Average / Avg Deviation” cards. Inner tens appear with a dot right next to the total, for example “104.8 | 3·”. When you import results from Meyton, DISAG, SIUS or another system, the Teiler values stay exactly as the range reported them, wherever the format carries them. In “Analytics”, the “Deviation” chart type shows your average and best Teiler over time, with a smoothed trend line and kept separate per discipline; under “Records” you find your “Best Deviation”. And if you want to compete against others: every month the “Monthly Rifle Teiler” challenge runs, and the smallest Teiler of the month wins. Edited or estimated shot positions do not count there. You can view the leaderboard without Pro; joining takes Pro.

Frequently asked questions

How many Teiler make one tenth?

On the air rifle target, 25. The distance from ring to ring is 2.5 mm, or 250 Teiler, and decimal scoring divides it into ten zones of 0.25 mm each. On the air pistol target it is 80 Teiler, because there 8 mm lie between the rings.

What is a “Nullteiler” (zero Teiler)?

A shot whose hole center sits exactly on the target center: a 0.0 Teiler, and it does not get better than that. The fraction in the formula gives 11.0 for it, and the cap turns that into the 10.9. In practice every system measures some remaining distance, and a true 0.0 is very rare. Meyton lists still show plenty of them, and Why Meyton prints so many 0.0 Teilers gives the reason.

Does the table also apply to air pistol?

No. The air pistol target has a ten of 11.5 mm diameter and 8 mm between the rings. A full ring is 800 Teiler there and a tenth is 80 Teiler, and the 10.0 reaches to 800.0 Teiler. The formula there is 11 − Teiler ÷ 800, again capped at 10.9. The air pistol Teiler table is a separate article, and so is the smallbore Teiler table.