How far apart are band dots?

At an 8-to-5 step, one step is 22.5 inches, so a 1-step dot grid puts dots 22.5 inches apart. A 2-step grid is 45 inches and a 4-step grid is 90 inches.

How many dots does a full marching band field need?

A full 100-yard by 160-foot field on a 4-step grid at 8-to-5 needs about 902 dots. On a 2-step grid it is about 3,483, and on a 1-step grid about 13,846. Which one to paint is a matter of preference; all three work.

How many bar placements does a field take?

A 5-yard layout bar covers 5 yards per placement, so a 100-yard row is 20 placements whatever the grid density. A full field on a 4-step grid is about 440 placements.

Band Dots for All · Free tool

Field Layout Calculator

Dot spacing, dot count, and how many bar placements it takes.

Updated September 2026 · Built by a working band director

The short version. At an 8-to-5 step, one step is 22.5 inches. A 1-step grid puts dots 22.5" apart, a 2-step grid 45", a 4-step grid 90". A full field on a 4-step grid is about 900 dots; on a 1-step grid it is about 13,800. Which one you paint is preference — here is how to choose.

Change any setting and the picture redraws as you go.

Your grid Step size

Grid density

Not sure? Which grid should you paint?

Your field Field type

What are you marking Lines already down

Dot colors

Counting runs both ways. Step 8 is the next yard line, step 4 is halfway.

8th step both ways Every 4th step Every other step All the rest Step guide lines Dot landing on painted line

A 4-step grid needs no swaps — try 1- or 2-step to see that color work.

Your layout

Dot spacing

Dots along the length

Rows across the width

Bar placements per row

Bar placements total

90"between dots

902dots

440bar placements

What the other grids would cost you

Grid	Spacing	Dots	Placements

Same field, same step — only the grid changes.

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