Home Back

US Postal Service Price Calculator

USPS Price Formula:

\[ Price = Postage\;Rate \times Weight \]

$ per oz
oz

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the USPS Price Calculator?

The US Postal Service Price Calculator helps determine the cost of shipping based on the current postage rate and package weight. It provides a quick and accurate way to estimate shipping expenses for various mail services.

2. How Does the Calculator Work?

The calculator uses the simple formula:

\[ Price = Postage\;Rate \times Weight \]

Where:

Explanation: The calculation multiplies the per-ounce postage rate by the total weight of the package to determine the total shipping cost.

3. Importance of Accurate Postage Calculation

Details: Accurate postage calculation ensures proper delivery, avoids additional fees or return of packages, and helps businesses and individuals budget accurately for shipping costs.

4. Using the Calculator

Tips: Enter the current postage rate in dollars per ounce and the package weight in ounces. Both values must be positive numbers. Check the latest USPS rates for accurate calculations.

5. Frequently Asked Questions (FAQ)

Q1: Where can I find current USPS postage rates?
A: Current rates are available on the official USPS website or at your local post office. Rates may vary by mail class and destination.

Q2: Does this calculator work for all mail classes?
A: This calculator provides a basic estimate. Different mail classes (First Class, Priority, etc.) may have different rate structures and additional fees.

Q3: How accurate is this calculator?
A: The calculator provides an accurate estimate based on the input values, but final postage may vary based on additional factors like package dimensions, destination, and special handling requirements.

Q4: Can I use this for international shipping?
A: International shipping rates are more complex and may require additional calculations. This calculator is best suited for domestic USPS shipping.

Q5: Are there weight limits for USPS packages?
A: Yes, different mail classes have different weight limits. First Class Mail has a 13 oz limit, while Priority Mail can go up to 70 lbs for certain services.

US Postal Service Price Calculator© - All Rights Reserved 2025