The 9 Best Postal Scales

Updated November 08, 2017 by Jeff Newburgh

9 Best Postal Scales
Best High-End
Best Mid-Range
Best Inexpensive
We spent 38 hours on research, videography, and editing, to review the top picks for this wiki. If you work in a shipping company, a warehouse, or you own a business that requires the mailing of packages on a regular basis, ensure your postage is accurately calculated in any situation using one of these handy postal scales. Many of our options are capable of running on batteries, USB cables, and AC power, with the capacity for weighing anything from letters to 450-pound boxes. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best postal scale on Amazon.

9. My Weigh Ultraship

The My Weigh Ultraship provides the conveniences of both a letter tube and envelope holder on its weighing pad as well as a patented, detachable display screen on a 2-foot flex cord, making it a formidable option for both home and office use.
  • batteries last a long time
  • very sensitive at low weights
  • doesn't come with a power cable
Brand My Weigh
Model ultra-75
Weight 3.8 pounds
Rating 3.6 / 5.0

8. Accuteck ACB440

Setting the Accuteck ACB440 apart from the competition is its fully-textured surface, which helps to prevent your packages from slipping and sliding when taking weight measurements. Its die-cast components can withstand parcel loads of up to 450 pounds.
  • attractive blue color
  • good option for oversized boxes
  • calibrating it is cumbersome
Brand ACCUTECK
Model ACB440
Weight 4.8 pounds
Rating 4.1 / 5.0

7. Weighmax W-2809

Constructed from sturdy stainless steel and at only 3 pounds, the Weighmax W-2809 is a convenient and reliable option for desktop use when your working space is limited. Its extra-large and backlit display is easy to read when working in low-light conditions.
  • 4 available reading modes
  • very affordable price
  • it's a bit on the noisy side
Brand Weighmax
Model W-2809-90BLK
Weight 4 pounds
Rating 4.5 / 5.0

6. Dymo 1776111

The Dymo 1776111 is equipped with a removable LCD panel that can function as a handheld viewer or a wall-mounted option for tight spaces, making it a versatile option for most work environments. Its shipping label software is compatible with multiple operating systems.
  • usb cable is included
  • tare function for net weights
  • requires resetting fairly often
Brand DYMO
Model 1776111
Weight 10.3 pounds
Rating 4.3 / 5.0

5. Accuteck ShipPro W-8580

Capable of being powered by its included batteries, AC adapter or USB cable, the Accuteck ShipPro W-8580 boasts a 0.1-ounce measurement accuracy to ensure your business is never surprised by unanticipated shipping costs. A 10-year limited warranty is also provided.
  • fold-up mailer holder
  • compact design saves desk space
  • auto shutoff cannot be programmed
Brand Accuteck ShipPro
Model W-8580-110-Black
Weight 2.7 pounds
Rating 3.8 / 5.0

4. Zieis BigTop

The Zieis BigTop has a programmable power function with the option of either setting the scale to remain on at all times or to automatically turn off after being idle for several minutes. Its Z-seal clear laminate material protects the LCD and buttons from spills.
  • backed by a 10-year warranty
  • measurement accuracy of half an oz
  • audible beep when weight stabilizes
Brand ZIEIS
Model Z70-DURA-ZSEAL
Weight 5.3 pounds
Rating 4.4 / 5.0

3. Smart Weigh ACE200

Using its integrated tare function, the Smart Weigh ACE200 can zero out the weight of an empty box, letting you weigh its net contents separately, while allowing for multiple measurements of different items to help maximize the efficiency of your warehouse or business.
  • large lcd is easy to read
  • display cord is flexible
  • pieces function for small parts
Brand Smart Weigh
Model ACE200
Weight 5.2 pounds
Rating 4.8 / 5.0

2. Amston ASLSS 200

The Amston ASLSS 200 comes with a separate display unit and platform connected by a 7-foot cord, allowing you to weigh oversized packages with minimal difficulty. Its convenient hold feature maintains an item's measured weight even after it's been removed from the scale.
  • preinstalled calibration software
  • 200-pound weight capacity
  • selectable auto on-off functionality
Brand LW Measurements, LLC
Model LSS 200
Weight 8.8 pounds
Rating 4.6 / 5.0

1. Ohaus-CS200P

The Ohaus-CS200P is a lightweight, portable option with a removable and corrosion-resistant stainless steel platform, making it ideal for supporting bulky loads. Its radio frequency protection ensures consistent and accurate measurements in most production environments.
  • durable abs housing
  • low-profile design
  • laminated usps rate chart
Brand Ohaus
Model 80500633
Weight 1.8 pounds
Rating 4.8 / 5.0

Bearing The Load

Whether you own a large business with a storefront or you sell products over the internet, chances are you're doing a lot of shipping. This requires many trips to your local post office, which is fraught with disturbingly long lines and overpriced shipping rates. The good news is that you can save yourself both time and money by calculating your shipping totals from the comfort of your own home or place of business using a postal scale instead. This can be done before you even think of stepping foot into the post office.

A postal scale is a device that uses an electronic integrated circuit pressure sensor to calculate the exact weight of a package. The weight value is typically displayed on an LCD located on the front of the scale itself. Unlike a conventional bathroom scale that uses a dial, internal spring, and a series of levers to indicate the weight of an object, the postal scale operates a bit differently. Its components consist of an overall structure, which is the part of the device that actually bears the load; a weight indicator, usually represented by the LCD; a load cell, which converts the force of an object into an electrical signal; and a signal conditioner, the electronic component that powers the load cell. The signal conditioner is also responsible for converting the electrical signal into numbers for the scale to display. But how does this work in a step-by-step fashion?

When a package is first placed on the scale, its force of weight is evenly-distributed by a series of underlying pegs underneath the flat surface of the scale's outer structure. Next, the device's internal components apply the force of weight to one end of the unit's load cell, bending that end downward. This action ultimately deforms the scale's strain gauge, which consists of either metal tracks or foil bonded to a printed circuit board. When the foil is strained, the circuit board also stretches. The combination of deformation and stretching allows the strain gauge to convert the force of weight into an electrical signal. What makes this possible? The internal load cell carries a charge, which means its electrical resistance changes when it bends downward. Once the electrical signal has been generated inside the scale, it passes through an analog-to-digital converter and a microchip. The microchip is responsible for interpreting and translating the signal data into a readable format that appears on the scale's LCD.

The load cell helps to determine a postal scale's recommended weight capacity. The greater the number of load cells with which a scale is equipped, the greater the scale's weight capacity. It's important to note that while the scale may accommodate a weight greater than what its load cell can bear, its overall level of accuracy is compromised when used beyond its recommended range. That said, to ensure that proper shipping rates are calculated, it is recommended not to exceed a postal scale's load cell rating.

Keeping It Real And Accurate

Ensuring that your device will prevent you from overspending at the post office is an important consideration. There are plenty of useful features common to postal scales that help make that easier and for which you should be on the lookout when considering such an investment. These include a tare function, allowing for zero calibration without adding additional weight; a holding feature, which maintains a previous calculation on the LCD after removing a package from the scale's surface; and the ability for the device to run on both AC and battery power. The hold function is particularly useful when you're stuck weighing large packages that obstruct your view of the scale's LCD. Having several power options makes the scale easy to transport, which comes in handy if part of your business requires a lot of travel when shipping objects.

A scale with an automatic shutoff feature will save additional power and prevent it from wearing down its internal battery when you're on the go. Some postal scales also include built-in audible alerts when an object's weight stabilizes, so you can be sure that you're getting the most accurate reading possible. Look for a scale capable of displaying weights using different metrics, such as grams or kilograms.

It's also important to realize that shipping rates aren't set in stone. Spending a bit more on a scale that can connect to a computer and Wi-Fi will allow it to have access to the latest shipping costs and updates.

A Brief History Of The Postal Scale

Scales have a long history dating as far back as 2000 B.C.E. to an ancient relic found within the Indus River Valley not far from present day Pakistan. It is believed that this early device consisted of a balancing structure that used two plates attached to an overhead beam and central pole. Weight measurements would be taken by placing objects on one plate with rocks on the other until equilibrium was obtained. Balances also had a significant impact on other civilizations, including ancient Egypt.

Further technological advances leading to the development of the weighing scale appeared by the late 18th century and are largely credited to spring and scale maker Richard Salter. Following R. W. Winfield's 1840 development of the candlestick scale for letters and packages, spring-operated scales became common throughout the United Kingdom. Spring scales were easier to use because their readings could be taken almost immediately without any required balancing.

The use of various electronic attachments for spring scales was introduced as early as the 1940s for improving weight reading accuracy. Load cells also served to improve scale accuracy through the late 20th century when the use of digital scales became more widespread. Today, postal scales are equipped with plenty of high-tech functions, including Wi-Fi access, built-in calibration software, and lightweight designs with various power options to increase portability for the traveling business.



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Last updated on November 08, 2017 by Jeff Newburgh

A dedicated writer and communications professional spending his days lost in the intricacies of both proposal and freelance writing. When not sharing the knowledge of both fully and self-insured medical benefits to employer groups of all industries within California, Jeff Newburgh can be found at home spending time with his family and 3 dogs, pondering the next chew toy to be thrown, while kicking back and relaxing with a nice glass of red wine.


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