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10 Best Milligram Digital Scales 2025 in the United States

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Our Top Picks

#1

Winner

MAXUS Digital Milligram Scale 50g/0.001g, Compact Mg Scale with 20g Calibration Weight and Accessories, Black Powder Scale for Reloading

Rating
9.7
Chosen by1,168
Accuracy
Calibration
Power Source

Most important from
3739 reviews

Accuracy
Accuracy is paramount, and this scale delivers with precision up to 0.01 grains, which is hard to beat at this price point.
Calibration
Easy calibration and a user-friendly interface make it hassle-free for precise measurements.
Power Source
Battery life is impressive, lasting over a month with regular use on the original batteries.

The MAXUS Digital Milligram Scale is designed for precision weighing, making it a solid choice for those who need accuracy in measuring small quantities, such as in jewelry making, reloading, or handling various powders. With a capacity of 50 grams and an impressive readability of 0.001 grams, it stands out for its accuracy, which is essential for users who require exact measurements.

One of the notable strengths is its versatility in weighing units; it can measure in grams, ounces, and even carats, catering to different user needs. The tare function is another highlight, allowing users to subtract the weight of containers, which simplifies the weighing process. The inclusion of a 20g calibration weight helps ensure that the scale maintains its accuracy over time, which is a great advantage for users who frequently need to calibrate their tools.

The scale features a backlit LCD display, which enhances visibility, especially in dim lighting conditions. Additionally, its lightweight design and the option to power it via batteries or USB make it portable and convenient for both home and on-the-go use. There are a few drawbacks to consider; while the scale is compact, some users might find the size slightly limiting if they need to weigh larger batches. Also, the reliance on batteries could be a downside for those who prefer a scale that is solely powered by a wall outlet. Although the auto shut-off feature is useful for conserving battery life, it may interrupt use if users forget to disable it before prolonged use.

Rating
9.7
Chosen by1,168
Accuracy
Calibration
Power Source

Most important from
3739 reviews

Accuracy
Accuracy is paramount, and this scale delivers with precision up to 0.01 grains, which is hard to beat at this price point.
Calibration
Easy calibration and a user-friendly interface make it hassle-free for precise measurements.
Power Source
Battery life is impressive, lasting over a month with regular use on the original batteries.
#2

Smart Weigh GEM20-20g x 0.001 Grams, High Precision Digital Milligram Jewelry Scale, Reloading, Jewelry and Gems Scale, Calibration Weights and Tweezers Included

Rating
9.4
Accuracy
Calibration
Size and Portability

Most important from
5502 reviews

Accuracy
After five years of use, the scale remains highly accurate and durable, with no signs of wear.
Calibration
Calibration is straightforward and reliable, ensuring precise measurements every time.
Size and Portability
The scale's compact design is both a pro and a con: it's portable but the hinged cover can be a bit annoying during use.

The Smart Weigh GEM20 Digital Milligram Scale is a highly precise scale, capable of measuring up to 20 grams with 0.001-gram accuracy, making it an excellent choice for tasks requiring high precision like weighing jewelry, reloading, and culinary uses. Its multifunctional capabilities allow it to weigh in various units such as grams, ounces, carats, and grains, which enhances its versatility. The scale includes a tare function, which is helpful when you need to weigh items in a container or on a weighing pan, ensuring you get the precise weight of the contents without the container's weight.

Calibration weights are included, so you can recalibrate the scale if needed, maintaining its accuracy over time. The display is an easy-to-read LCD, and with the inclusion of two AAA batteries, you can start using it right out of the box. The compact size (3.7 x 3.15 x 1.3 inches) and lightweight design (4.3 ounces) make it portable and convenient to store or carry around. However, the small size might be a drawback if you're looking to weigh larger items frequently.

The stainless steel material provides durability, but the capacity of 20 grams may be limiting for some users. Additionally, while the device is discontinued, it remains a popular choice. This scale is best suited for those needing precise, small-scale measurements, such as jewelers, hobbyists, and cooks who deal with small quantities of ingredients.

Rating
9.4
Accuracy
Calibration
Size and Portability

Most important from
5502 reviews

Accuracy
After five years of use, the scale remains highly accurate and durable, with no signs of wear.
Calibration
Calibration is straightforward and reliable, ensuring precise measurements every time.
Size and Portability
The scale's compact design is both a pro and a con: it's portable but the hinged cover can be a bit annoying during use.
#3

Gemini-20 Milligram Scale – 20g x 0.001g Precision Digital Scale in Silver & Black – Includes Calibration Weights, and Tweezers – Ideal for Jewelry, Labs, and More

Rating
9.2
Accuracy
Calibration

Most important from
5940 reviews

Accuracy
The Gemini-20 is far more accurate for small amounts than any other scale I've tried.
Calibration
Calibration is straightforward and the included 10g weights are a nice touch for maintaining accuracy over time.

The Gemini-20 Milligram Scale is designed for precision and versatility, making it suitable for tasks such as weighing jewelry, medicines, coins, and even food. One of its notable strengths is its high accuracy, with a readability of 0.001 grams, which allows for precise measurements. The scale also offers a variety of units of measurement, including grams, grains, ounces, carats, troy ounces, and pennyweights, adding to its flexibility. Its maximum capacity is 20 grams, which is adequate for most small-scale measuring needs.

The inclusion of calibration weights and tweezers is a useful feature, ensuring that you can maintain accuracy over time and handle delicate items easily. The tare function allows you to reset the scale to zero with containers on it, making it simple to measure contents only. The LCD display is clear and easy to read, though it may be less effective in very bright or very dim lighting conditions. This scale is powered by 2 AAA batteries, which are included, making it convenient to use right out of the box.

One of its standout benefits is its portability; it's compact and lightweight, with dimensions of 4.94 x 6.5 x 1.62 inches and a weight of just 4.23 ounces, making it easy to carry around. However, the small size may also be a drawback for those needing to weigh larger items. The flip-down shield protects the weighing surface during transport, but the scale itself can be prone to damage if not handled carefully, as it is a delicate instrument. The Gemini-20 Milligram Scale is a reliable and portable option for precise small-scale measurements, ideal for travel and versatile applications, though users must handle it with care to avoid damage.

Rating
9.2
Accuracy
Calibration

Most important from
5940 reviews

Accuracy
The Gemini-20 is far more accurate for small amounts than any other scale I've tried.
Calibration
Calibration is straightforward and the included 10g weights are a nice touch for maintaining accuracy over time.

Buying Guide for the Best Milligram Digital Scales

When choosing a milligram digital scale, it's important to consider several key specifications to ensure you get a product that meets your needs. Milligram scales are used for precise measurements, often in laboratories, kitchens, or for weighing jewelry. Understanding the key features will help you make an informed decision and select a scale that provides accurate and reliable measurements for your specific use case.
AccuracyAccuracy refers to how close the measurement is to the true value. This is crucial for tasks that require precise measurements, such as scientific experiments or measuring medication. Accuracy is usually expressed in milligrams (mg). For high-precision tasks, look for scales with an accuracy of ±0.001 mg. For less critical tasks, an accuracy of ±0.01 mg or ±0.1 mg may be sufficient. Consider what level of precision your tasks require to choose the right accuracy.
CapacityCapacity is the maximum weight the scale can measure. This is important because it determines the range of items you can weigh. Milligram scales typically have capacities ranging from 20 grams to 500 grams. If you need to weigh small items like jewelry or chemicals, a lower capacity scale (20-100 grams) may be sufficient. For larger items or bulkier substances, consider a higher capacity scale (100-500 grams). Think about the maximum weight of the items you will be measuring to select the appropriate capacity.
ReadabilityReadability is the smallest increment the scale can display. This is important for seeing small changes in weight. Readability is often expressed in milligrams (mg). For highly detailed measurements, look for scales with readability of 0.001 mg. For general use, readability of 0.01 mg or 0.1 mg may be adequate. Consider how fine the measurements need to be for your tasks to choose the right readability.
CalibrationCalibration ensures that the scale provides accurate measurements. Some scales come with automatic calibration, while others require manual calibration using calibration weights. Automatic calibration is convenient and ensures consistent accuracy, but manual calibration can be more cost-effective. If you need a scale for professional or scientific use, automatic calibration might be preferable. For occasional use, manual calibration may be sufficient. Think about how often you will use the scale and how important ease of calibration is for you.
Tare FunctionThe tare function allows you to reset the scale to zero after placing a container on it. This is important for measuring the net weight of items without including the weight of the container. Most digital scales have this feature, but it's good to confirm. If you frequently weigh items in containers, a tare function is essential. Consider how often you will need to use this feature to determine its importance for your needs.
DisplayThe display shows the weight readings and should be easy to read. Look for scales with a clear, backlit display, especially if you will be using the scale in low-light conditions. A larger display can be easier to read, but it may also make the scale bulkier. Consider where and how you will be using the scale to choose a display that is easy to read and suits your environment.
Power SourceMilligram scales can be powered by batteries, an AC adapter, or both. Battery-powered scales are portable and convenient for use in different locations, while AC-powered scales can be more reliable for continuous use. Some scales offer both options, providing flexibility. Consider where you will be using the scale and whether portability or continuous power is more important for your needs.
Size and PortabilityThe size and portability of the scale are important if you need to move it frequently or have limited space. Compact scales are easier to store and transport, but they may have smaller weighing platforms. Larger scales may offer more stability and a larger platform but can be bulkier. Think about where you will be using the scale and how often you will need to move it to choose the right size and portability.

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