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.
Not all scales are created equal. Depending on what you’re shipping, you’ll want to check these three specs: buy postal scale
Look for a scale that offers both a USB/AC adapter and battery power. You don’t want it dying mid-shipment. For light items, you need a scale that measures in 0
This allows you to place an empty container on the scale, reset it to zero, and then weigh your item inside the container without including the container's weight. The Bottom Line For light items