200×200 Ad Size: Small Square

The 200×200 small square is the smallest common square ad. It fits very tight spaces but gets little demand.

Actual size preview
200×200

Specs

SpecValue
NameSmall Square
Dimensions200 × 200 pixels
Aspect ratio1:1
DevicesDesktop and mobile
High-resolution version400 × 400 pixels (2×), scaled down
Typical file sizeKeep images under 150 KB. Google Ads limits uploaded image ads to 150 KB.
FormatsJPG, PNG, GIF or HTML5

Where to place a 200×200 ad

  • Very small sidebar spaces

Pros and cons

ProsCons
✓ Fits almost anywhere✗ Low demand and low CPMs

Tips for 200×200 ads

  • Use it only as a fallback inside a 250×250 slot.
  • Reserve the slot’s height in your layout so the page doesn’t jump when the ad loads. See Core Web Vitals and ads.

Related ad sizes

Frequently asked questions

Should I use 200×200 ads?

Only where no bigger size fits, because demand is low.

What is the IAB name for 200×200?

Small square.

Want to know what this slot could earn? Try the ad revenue calculator, or look up terms in the ad tech glossary.