Shooting targets: printable sight-in targets and photo analysis

An online tool for sighting in: printable shooting targets at true scale on Letter or A4 paper, shot group analysis from a photo of your target, and a shot size selector. From the photo the tool finds the bullet holes, measures the group and its mean point of impact, and tells you how many clicks to dial; for a shotgun it shows what share of the load landed inside a 30-inch circle.

How to sight in

Print the target

At 100% scale, then check the ruler.

Take a photo

From above, all four markers in frame.

Get the correction

Clicks, group size and MPOI.

Print a target, photograph your group and get your scope correction

The analysis and shot selector are aids for sighting in, not a substitute for it. Confirm the scope correction with a check group, and the shot and load by patterning at the distance you hunt.

Shot diameters: GOST 7837-76 and the summary table of shot numbering systems (Wikipedia, Shotgun cartridge); choke percentages: Wikipedia, Choke (firearms).

Features

Targets at true scale

Grid squares are sized for your distance: 1 MOA, 0.1 MIL or 1 inch. A 100 mm ruler on the sheet shows at a glance whether the printer shrank the target.

Analysis from a phone photo

Four markers in the corners straighten out the perspective, so you can shoot the photo at an angle. On 40 synthetic photos with tilt, rotation and uneven light, hole centers were found with an average error of 0.2 mm.

Correction in clicks

The mean point of impact is compared with your aim point, and the tool tells you how many clicks up or down, left or right to dial for your click value.

Shotgun pattern test

One printed page is enough: four marker cards go on the corners of any large sheet of paper. Pellet holes are counted automatically, the circle is placed where the pattern is densest, and you see the percentage of the load, evenness and the largest gap.

Shot size selector

Shot numbers in the American, English, European and Russian systems, pellets per load, and pellet velocity and energy at range for lead, steel, bismuth and tungsten.

Touching holes and manual fixes

Two bullets through one hole count as two, judged by the size and shape of the hole, and if the analysis gets one wrong you can add or remove a hole with a tap.

What you can do

Print a sight-in target with a grid sized for your distance
Find from a photo how many clicks to dial on your scope
Measure group size in millimeters, MOA and MIL
Pattern a shotgun: percentage of pellets in a 30-inch circle
Pick a shot size for ducks, geese, pheasant or rabbit
Convert shot numbers between the US, UK, European and Russian systems

Why the photo analysis is accurate

A regular photo of a target is distorted: the phone is held at an angle, so an inch near the close edge looks bigger than one near the far edge. That is why our targets carry four reference markers, and the analysis first straightens the photo with them and only then looks for holes, on a sheet measured in millimeters. We tested the whole path on synthetic photos with a known answer: strong perspective, an upside-down target, uneven light and noise. The average error of a hole center is 0.2 mm, the worst is 0.7 mm, and no extra holes appeared. Printed grid lines are not mistaken for holes either, because the analysis knows exactly what was printed.

Frequently asked questions

Why is my printed target smaller than it should be?

Printers often “fit to page” by default and shrink the page by 3–6%. In the print dialog choose 100% scale or “Actual size”, then measure the 100 mm segment at the bottom of the sheet. If it is shorter, the grid squares are smaller too and the click correction will be wrong.

How should I photograph the target for the analysis to work?

Shoot from above so that all four square markers in the corners are in the frame, in even light without glare. Holes show up best against a dark background, so slip a piece of dark cardboard behind the target first. If you photograph it against the light, the holes come out bright: tick that option, or they will not be found.

The analysis missed some holes or found extra ones. What now?

First check the caliber: the analysis uses it to expect the hole size and to decide how many bullets went through one hole. Then fix it by hand: a tap on empty paper adds a hole, a tap on a found hole removes it. A hole inside a solid black area cannot be seen, which is why the aim points on our targets are drawn as outlines.

How do I pattern a shotgun without a plotter-size print?

Print the one page of marker cards, stick them to the corners of a large sheet (butcher paper or a paper roll) and measure the distance between the marker centers with a tape. Hang the sheet at 40 yards (or 35 m), aim at the diamond in the middle and fire one shot per clean sheet. Enter the shot size, material and load weight, since they set how many pellets the shell held. The analysis counts the pellet holes, places the circle where it holds the most pellets and shows the percentage of the load. For a reliable result, shoot several sheets and compare them.

What do the pattern percentages mean: cylinder, modified, full?

They are the share of lead shot inside a 30-inch circle at 40 yards (or a 75 cm circle at 35 m). The usual reference points: cylinder about 40%, improved cylinder 50%, modified 60%, improved modified 65%, full 70%. The analysis names the choke your result is closest to, assuming the sheet hung at that distance.

How is extreme spread different from mean radius?

Extreme spread is the distance between the centers of the two holes farthest apart. It is the number usually quoted in MOA, but it depends on just two shots. Mean radius is the average distance from every hole to the mean point of impact. It uses every shot and jumps around less from group to group, so it is the better way to compare loads and barrels.

💡 Want us to improve this tool just for you?

We can! Just send us a quick message with your idea. If you'd like to discuss it in detail, leave your email and we'll get back to you. You can stay anonymous.

How do you rate this tool?

Thank you for your rating!

Change my rating

Want to leave a comment?

Want to share more? Leave a comment!

Thank you! Your comment will appear after moderation.

Who is this tool for?

🎣 Hunters & anglers

Published 21 Oct 2026 Author: The Supreme