Shipping Label HelperCheck label size and print scale

platform guide

eBay Shipping Label: 4×6 vs Letter

Compare eBay 4×6 thermal and Letter sheet shipping label formats, and find the safest print settings for each.

Best next step

Use the checker below to confirm paper, carrier and printer setup.

Start with the tool or template that matches this guide before printing paid postage again.

Quick answer

eBay sellers should use 4×6 labels for thermal printers and Letter labels for regular desktop printers. The safest choice is the format that matches the PDF, paper size and printer driver without shrinking or cropping the barcode.

Recommended size
4 × 6 in
Print scale
100%
Orientation
Portrait

Step 1 · Choose setup

Printer type matters because thermal printers usually use 4×6 label rolls, while inkjet/laser printers usually use A4 or Letter sheets.

Step 2 · Read result

Your print plan

Based on the selected platform, carrier, paper and printer. Confirm the carrier label file before buying postage.

Compatible
Calculated result: compatible. Good baseline setup.

This platform and carrier combination should normally print at 100% scale. A 4 × 6 thermal label is the safest setup for label printers.

Use

4 × 6 inches

4 × 6 in

Metric size
101.6 × 152.4 mm
Set print dialog to
100% — do not select Fit to Page
Orient
Portrait

Avoid

  • 1Selecting Fit to Page instead of printing at 100% scale.
  • 2Loading the 4 × 6 label roll sideways or with the wrong orientation.
  • 3Letting the platform crop the label instead of downloading the carrier PDF.

Step 3 · Print test

Do this next

Download 4×6 test PDF

Download the blank 4×6 test PDF, then print it at 100% scale before buying or reprinting postage.

Use this when your setup looks usable and you need a safe physical test.

Download 4×6 test PDF

Carrier and platform rules may change. This tool does not certify or guarantee label acceptance. Open official documentation

When to use 4×6 eBay labels

Use 4×6 when printing on a thermal label printer or adhesive label roll. Confirm the driver paper size is 4×6, use 100% / Actual Size and avoid auto-fit settings that can shrink the barcode.

When to use Letter eBay labels

Use Letter when printing from a regular inkjet or laser printer. Download the eBay label PDF, open it in a PDF viewer and print at Actual Size so the barcode remains sharp and the label is not clipped by browser margins.

What goes wrong during conversion

Problems usually happen when a 4×6 file is forced onto Letter paper or a Letter layout is sent to a thermal printer without checking scale and orientation. The barcode may become tiny, sideways, clipped or blurry.

Safest preflight check

Before shipping, confirm the barcode is complete, the address is readable, the tracking number is visible and the label is not folded or taped across active barcode content.

Source notes

This guide is based on recurring seller-support patterns: labels printed from browser previews, PDF viewers resizing files, thermal rolls loaded off-center, and barcodes losing quiet-zone whitespace.

When a platform or carrier offers a specific label-format setting, follow that official setting first, then use the checker and templates here to confirm print scale, paper size, orientation, and barcode quiet zone before shipping.

FAQ

Is 4×6 better than Letter for eBay labels?

4×6 is usually better for thermal printers and frequent shipping. Letter works for desktop printers when printed at Actual Size.

Can I print a 4×6 eBay label on Letter paper?

Yes, if the label remains actual size and the barcode is not cropped or resized.

Why does my eBay label print tiny on Letter?

The print dialog may be fitting a 4×6 label into a larger sheet or shrinking the PDF. Use Actual Size from a PDF viewer.

Should I use browser print for eBay labels?

Downloading the PDF and printing from a PDF viewer is usually safer because browser previews often add scaling or margins.

What should I check before dropping off the package?

Check barcode sharpness, full tracking number, readable addresses, correct orientation and that no important label content is cut off.

Related guides

Shipping Label Size Checker

Check paper, scale and orientation before printing.

4×6 Label Template

Download a blank 4×6 shipping label template.

Label Printing Too Small

Fix tiny labels, scaling problems and bad print settings.