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A shipping scale ranked by how often it saves you from a USPS adjustment or an overpaid label, with the reason for each pick.

About this ranking

A shipping scale stops USPS from charging weight adjustments and keeps you from overpaying for postage. You need two types to cover most home sales: a platform scale for boxes and a pocket scale for envelopes.

The pocket scale costs about $8 to $15 and the 110 lb platform scale $18 to $30.

How we chose

The criteria that set the order. Commission plays no part.

  1. 01Accurate at the ounce and pound breaks where rates change
  2. 02Display readable with a box on top
  3. 03Big enough platform for your usual package
  4. 04Reads in pounds and ounces as well as grams
  1. #1
    110 lb shipping scale with fold-up display

    110 lb shipping scale with fold-up display

    Weighs everything from an envelope to a boxed pair of boots, with a display you can read under a box.

    • Most home sellers
    • Boxed sneakers and bundles
    • Weighing a single card to the gram

    Typical price

    $18to $30

    See on Amazon
  2. #2
    500 g precision pocket scale

    500 g precision pocket scale

    For cards and small items that sit within a fraction of an ounce of a rate break.

    • Card mailers and envelopes
    • Items near an ounce break
    • Anything over about 1 lb

    Typical price

    $8to $15

    See on Amazon
  3. #3
    66 lb digital shipping scale

    66 lb digital shipping scale

    A cheaper platform scale for lighter packages. Choose it if you want to spend less or the larger one is out of stock. Stay with the 110 lb model if you ship heavy boxes.

    • A cheaper platform scale
    • Lighter packages
    • Heavy boxed items near its limit

    Typical price

    $20to $35

    See on Amazon

The guide

Each step in the order you'll need it.

01

Platform or pocket

A platform scale handles boxed sneakers, bundles of clothes and anything up to its limit. A pocket scale reads to a tenth of a gram, so you can tell whether a card mailer sits a fraction under an ounce break.

Choose the platform size that fits your usual box, and keep the pocket scale within reach for mailers.

02

Weighing before you buy the label

Weigh the packed package, with tape and packing slip inside, before you buy the label. Boxes and bubble wrap add more weight than the item alone suggests.

Round up to the next ounce when you enter the weight. USPS audits label weights, and Pirate Ship, eBay and Etsy pass any adjustment back to you.

03

Keeping it accurate

Tare the scale on a flat surface and check it now and then with something of known weight, like an unopened 1 lb pack of butter or a 5 lb bag of flour.

Replace the batteries when the display dims, because the reading drifts on a weak battery.

Questions

Straight answers to what sellers ask about this.

Do I need a shipping scale to sell online?

If you buy labels by weight, yes. Guessing risks overpaying, or a USPS adjustment charged after the package ships.

Is a kitchen scale good enough?

For small items, often. A platform scale takes packages too big for a kitchen scale's bowl, and you can still read its display beside the box.

How heavy a package do I need to weigh?

Check your heaviest package. A 66 or 110 lb scale covers more than most packages you ship from home.

Should I weigh with the label on?

Yes, or add an ounce for it. Tape, the label and the packing slip all count.

Do I need a pocket scale for cards?

If you ship lots of card mailers near an ounce break, it helps. Otherwise the platform scale will do.

How do I check my scale is accurate?

Weigh something with a known weight, like a sealed 5 lb bag of flour, and compare.