How to weigh mail without a scale

A common problem! Here are a few methods to estimate the weight of mail without a scale:

  1. Use a postal rate chart: Check the postal rate chart for the weight range of the mail piece you're sending. This will give you an estimate of the weight based on the size and shape of the mail piece.
  2. Measure the dimensions: Measure the length, width, and height of the mail piece. Use a formula to estimate the volume of the mail piece, such as:

Volume = Length x Width x Height

Then, use a conversion factor to estimate the weight based on the volume. For example, a standard envelope is approximately 0.1 cubic inches per ounce.

  1. Use a rough estimate: For small, lightweight items like letters or postcards, you can use a rough estimate of 1 ounce per 1/4 inch of thickness. For larger or heavier items, you can use a rough estimate of 1 ounce per 1/2 inch of thickness.
  2. Compare to a similar item: If you have a similar item that you know the weight of, you can use it as a reference. For example, if you have a similar envelope that weighs 1 ounce, you can estimate the weight of a similar envelope by comparing its size and shape.
  3. Ask a postal worker: If you're unsure about the weight of a mail piece, you can always ask a postal worker for assistance. They may be able to provide a more accurate estimate based on their experience.

Remember, these methods are only estimates, and the actual weight of the mail piece may vary. If you're unsure about the weight, it's always best to err on the side of caution and use a scale or consult with a postal worker.