Look for a scale that offers both a USB/AC adapter and battery power. You don’t want it dying mid-shipment.

If you only mail letters and small padded envelopes, a 5–10 lb capacity scale is fine. If you ship heavy boxes or car parts, look for a "heavy-duty" model that goes up to 50 or 100 lbs.

The primary reason to own a scale is . Guessing the weight of a package usually leads to two outcomes: you underpay and the package gets returned (or arrives with "postage due"), or you overpay just to be safe. A scale lets you buy and print postage at home through services like USPS, UPS, or FedEx—often at a discounted commercial rate that isn't available at the counter. Key Features to Consider

A reliable postal scale removes the guesswork and the "post office anxiety." It turns your desk into a functional shipping center, saving you time in line and money on every label.

For light items, you need a scale that measures in 0.1-ounce increments . Small differences in weight can jump you into a higher price bracket, especially with First-Class mail.