Best Milligram Scales for 2021

Milligram scales

Simply looking for a digital scale that will measure milligrams can be quite a task on the internet. Without spending hours and hours searching to understand what’s out there and to find one that best fits your needs you cant hope to get the best for the job. That’s why we came up with a list of the best milligram scales. One or more of the scales below should be exactly what you need to get the job done.

Why buy a milligram scale?

Maybe you’re weighing out supplements, fine jewelry, or medicine where every milligram is important and can mean the difference between in performance, taste, or hundreds of dollars.

If you don’t need a scale quite as accurate then have a look at some of our other scales like our list of the best digital pocket scales.

Just want the best? Here is the BEST Milligram Scale of 2021

Smart Weigh Premium Digital Milligram Scale
50-gram capacity, battery-powered, 2 calibration weights, tweezers, 3 weighing trays, carry case, very accurate.

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How to Choose a Digital Scale?

Capacity

If you need to weigh large objects (think more than 50 grams), on a consistent basis, then perhaps a precision digital scale isn’t right for you. You may need a kitchen scale to accommodate larger items.

Generally speaking, the greater the scale’s range, the larger the increments and vice versa. If, on the other hand, you need very small increments for very accurate readings, think increments of 0.01, then a milligram scale may be right for you.

These scales can weight tenths or even hundredths of a gram, and some can even convert the unit of measurement into carats, oz., grams with the push of a button… Which may be perfect for gold, gems, diamonds, and other types of jewelry.

Tare / Calibration Function

A quality scale will have a tare feature that allows for net weight readings. Perhaps you need to put the item or ingredients that you’re weighing into a plate or bowl. Well, you can account for the extra weight of the bowl with a tare feature (sometimes referred to as a “Zero” button). Just place the bowl on the scale and press the tare button to reset the displayed weight back to zero.

You can also use the tare feature to measure several items at once by placing the item on the scale, pressing the tare button to reset the displayed back to zero, then placing the next item on the scale until you’re finished weighing your items.

Calibration works in a very similar way it just includes the use of calibration weights that you set the scale with at different levels so that it is even more accurate. This is not something that is included with all digital scales though. Read our guide on how to calibrate your scales here.

Units of Measurement

Many scales allow measurement in different unit weights: from carats, ounces and grams to carats, pounds (lbs.) and grains. You will need to make sure that the scale you choose has the correct units that you will be using.

Getting a scale with the correct units is much easier than having to convert it later.

No Time? Here are the Best Milligram Scales of 2021

1. Best Digital Milligram Scale – Smart Weigh Premium Digital Milligram Scale
50g capacity, 0.001g accuracy, carry case, tweezers, 3 measurement trays, 2 calibration weights, great build quality.
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2. Runner Up – Smart Weigh GEM20 Precision Digital Milligram Scale
20g capacity, 0.001g accuracy, calibration weights, tweezers, measurement tray, metal body, backlit LCD.
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3. Premium Compact Milligram Scale – NEWACALOX Rechargeable Milligam Scale
100g capacity, 0.001g accuracy, battery or USB powered, premium grey body, compact design.
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4. Cheap Digital Milligram Scale – RASSE Digital Milligram Pocket Scale
50g capacity, 0.001g accuracy, calibration weight, battery-powered, cheapest milligram scale
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5.Portable Lab Scales – KUBEI USB Rechargeable Digital Milligrams Scale
100g capacity, 0.001g accuracy, USB rechargeable, calibration weight, draft cover, weight tray
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The Best Milligram Scales

Our picks of the best milligram sclaes availalbe right now!


 Best Digital Milligram Scale – Smart Weigh Premium Digital Milligram Scale

Smart Weigh Premium Digital Milligram Scale
CapacityAccuracyFunctionsSupported UnitsPower
50 grams
1.7 oz
0.001 gramsTare + calibration weights included, 3 measurement trays, Inverted LCDg, oz., ct., ozt., dwt and gn4xAAA
Battery Powered

This is an all-in-one milligram scale that has all that you need in one simple package that’s why we like it. Easy to use and has everything you need, the case is a nice touch as some other scales don’t have the case to keep everything organized and protected.

This milligram scale also has a great build quality, with its premium satin plastic finish, inverted LCD display, and solid feeling body you will not be disappointed with the unit. It comes with all the extras that you need, tweezers, 2 20g calibration weights, 3 different sized weighing trays, and a quality carry case to keep it all in.

This milligram scale is perfect for a variety of uses, we have seen very positive reviews from people that use it for reloading charges for guns and also for weighing jewelry.

Finally, we love the inverted screen that this unit has, not only is the white on black very easy to read it also looks very professional.

 Pros 

  • Has a Calibration Function
  • Nice Build Quality
  • Battery-powered
  • 2 Included calibration weights
  • Carry case to protect and keep the scale and its accessories together.

 Cons 

  • Capacity only 50 grams
  • Tends to drift from time to time

Runner Up  – Smart Weigh GEM20 Precision Digital Milligram Scale

Smart Weigh GEM20 Digital High Precision Digital Milligram Scale 20 x 0.001g
CapacityAccuracyFunctionsSupported UnitsPower
20 grams
0.7 oz
0.001 gramsTare + calibration weight included, measurement tray, tweezers, backlit LCDg, oz., ct., ozt., dwt and gn2xAAA
Battery Powered

This is one of the milligram scales on the market. This small scale is a great digital scale for jewelers that need to weigh gold, gems, diamonds, and other precious metals. It has a protective flap cover (draft shield), a capacity of 20 grams with a stated 0.001g accuracy.

It counts in ounces, carats, and grains and comes with two 10g calibration weights for any additional calibration needed as well as tweezers and a weighing tray.

It’s equipped with a tare function (calculates the weight of your item(s) by subtracting the weight of the container you may be using) and easy button operation.

 Pros 

  • Has a Calibration Function
  • Calibration weights included
  • Stainless steel body for long life
  • Very accurate

 Cons 

  • Only 20 gram capacity

 Premium Compact Milligram Scale – NEWACALOX Rechargeable Milligam Scale

NEWACALOX Digital-milligram-scales
CapacityAccuracyFunctionsSupported UnitsPower
100 grams
3.5 oz
0.001 gramsTare + calibration weight included, premium grey body, inverted LCD, compact designg, mg, oz, gn, ct, tl, dwt, ozt2xAAA
Battery Powered
+ USB Powered

While this digital scale may not look like much due to its small design it packs a punch where it counts. Firstly it have one of the higher capacities of the scales we have featured here coming in at 100g.

It has dual power capability that only this model has, allowing it to be powered simply with 2 AAA batteries like many other scales on this list but it also includes a USB connection so it can be powered from any USB power source. We love this feature because we know how annoying it is when your batteries are dead and you just want to make a measurement.

It comes with all the basics like a calibration weight, tare function, and can easily switch between 8 common measurement units meaning that this will fit almost anyone’s situation. It also comes with all the common accessories, like a measurement tray, some tweezers, calibration weights, and of course a USB cable. we just wish that it also included a carry case.

 Pros 

  • Has a calibration and tare function
  • Very accurate down to 0.001g
  • Battery and USB Powered
  • Compact design
  • Premium gunmetal look
  • High capacity 100g

 Cons 

  • No carry case for all accessories

Cheap Digital Milligram Scale – RASSE Digital Milligram Pocket Scale

RAASE Digital Milligram Pocket Scale
CapacityAccuracyFunctionsSupported UnitsPower
50 grams
1.7 oz
0.001 gramsTare + calibration weight included, measurement tray, backlit LCDg, oz, ozt, dwt, ct, gn/gr2xAAA
Battery Powered

For those who don’t necessarily need a large amount of weighing capacity, but rather a precise and accurate scale good for weighing small items like jewelry, this inexpensive little milligram scale could be what you are looking for.

It can weigh up to 50 grams in increments of 0.001 grams. Now, take it with a grain of salt when you see most manufacturers state this level of accuracy because typically only scientists using lab scales costing thousands of dollars offer that level of consistent precision.

That being said users of this scale have reported that it works just as well as other milligram scales that we have on this list. That’s saying a lot for the cheapest one we could find. so fear not if you are just looking for a budget option.

Nevertheless, it’s equipped with a draft shield to prevent air currents and comes with everything you need: a weighing pan, tweezer, and a 50g calibration weight. Not bad for a very affordable scale.

Features: It has a tare feature to ensure you get NET readings, PCS,  a HOLD function to lock in your weight readings, auto shut off, and can count in any number of units including carats, ounces, grams, dwt, and gn.

Capacity: Since it can weigh up to 50g, it could work for even weighing heavier jewelry such as gold and gemstones and takes 2 AAA included batteries.

 Pros 

  • Cheapest Milligram Scale Available
  • Has a Calibration Function
  • Very small and portable
  • Battery-powered
  • Included calibration weight

 Cons 

  • Capacity only 50 grams

Portable Lab Scales – KUBEI USB Rechargeable Digital Milligrams Scale

KUBEI USB Rechargeable Digital Milligrams Scale
CapacityAccuracyFunctionsSupported UnitsPower
100 grams
3.5 oz
0.001 gramsRechargable internal battery, Tare, calibration weght, backlit LCDg / oz / ml / ozt / dwt / lb / ct / gn / tlRechargable battery via USB

This is a quite unique model of digital milligram scales as this one actually has an internal rechargeable battery that can be recharged via USB. This is something we love as a feature because so many devices are charged via USB these days that it is trivially easy to find a charge point.

It comes with all the other basic accessories and features you would expect in a digital scale like this, including a 10g calibration weight, tweezers, a weighing tray, and of course the USB charging cable. Of all the others on this list, this one is up there as one of the best purely for the fact that it has a rechargeable battery.

Unlike most other milligram scales, this one has a capacity of up to 100g. Most others max out at 20g or 50g so this is a great chance for a scale this small and cheap to measure all the way up to 100g while still being super accurate.

If you need a highly accurate milligram scale that will be portable and just a great combination of features then look no further. If this unit had a carry case the we may even put this one at the top of the list.

 Pros 

  • 100gram capacity
  • USB rechargeable
  • Easy to use
  • Very portable

 Cons 

  • No carry case

Lab Milligram Scales (Analytical Balance)

If you are looking for milligram scales with some more accuracy and reliability than the portable milligram scales above then look no further. The models we have found below are highly accurate but are meant more for labs or where they can be installed permanently to give consistent high-quality readings. They would be perfect as a scale for a chemist, doctor, herb sales, jeweler, or other use where you need consistent high accuracy.


Cheap Lab Scale – YaeCCC Lab Scale Analytical Balance

YaeCCC Lab Scale
CapacityAccuracyFunctionsSupported UnitsPower
500 grams
17 oz
0.001 gramsTare and Calibration, memory and other functions, measurement trayG, OZ, OZT, DWT, GN, CTMains Powered

If you are on a budget but you want a lab-quality scale then maybe this is the one for you. Built as a desktop scale, this one has all the basic functions you would expect from a lab-scale. Memory, Self-correction, fault signals, and more. This really is a scale built for use in a lab or chemist.

this is the perfect lab-scale for a school, university, or other training institution where you want something that will measure accuracy but will not break the bank on cost. It would also suit a jeweler that wants very accurate measurements of their wares.

 Pros 

  • Large sample tray
  • Cheap lap scale
  • 500-gram capacity

 Cons 

  • Not as many features as other lab scales
  • No computer connection


Versatile Lab Scale – Ohaus SPX223 Scout Analytical Balance

Ohaus SPX223 Scout Analytical Balance
CapacityAccuracyFunctionsSupported UnitsPower
220 grams
7.7 oz
0.001 gramsTare function, backlit LCDgram, ounces, grain, and caratMains Powered

The Ohaus SPX223 Scout Analytical Balance is a great milligram scale and makes it into our list for one main reason and that is connectivity. It has optional connectivity modules that allow it connectivity to, RS 232, USB, Network, and Bluetooth. This means that you can connect this unit to almost any system you want for ease of use.

These lab scales have been built with versatility and robustness in mind. for example they are stackable to allow for easy storage, very reliable and quick, and easy to operate for easy and fast setup and pack away. Perfect for a school or a lab where space is limited.

The versatility of these lab scales and their many connectivity options make them a great option for all but the most demanding of measurement scenarios where sub-milligram measurements are needed. But short of that they are a great option for anyone that needs a highly reliable, easy to use, and highly accurate analytical balance.

 Pros 

  • High Precision
  • Many connectivity options
  • Large Backlit display
  • Stainless steel pan

 Cons 

  • Not and cheap as others

Precision Lab Scales – U.S. Solid Digital Analytical Balance

Digital Analytical Balance
CapacityAccuracyFunctionsSupported UnitsPower
120 grams
4.2 oz
0.0001 gramsHigh Accuracy, draft shielding, advanced functionsounce, karat, gram, poundMains Powered

Lastly, for those of you who really need commercial level accuracy without breaking the bank (keep in mind most lab scales cost several thousands of dollars), there is a great option by U.S. Solid, a very solid, lab-scale that measures down to a 10th of a milligram.

It has a capacity of 120g and more importantly, it offers true precision down to 0.00001g at +-0.2mg accuracy. Unless you are working with medications or other materials that need measurements down to extremely small values this scale will be much more sensitive than you need. But if you do want something that accurate then this is it.

It has a draft shield, stainless steel pan, LCD backlight, tare feature, part count function, includes calibration weights, and has an RS232 port for direct connection to a computer.

 Pros 

  • Extremely High Precision
  • Very customisable

 Cons 

  • Not Battery Powered
  • Quite expensive
  • limited measurement capacity
  • limited measurement space

If you are looking for more like this one then have a look at our list of the best analytical balances.


Use and Maintenance of Digital Miligram Scales

Make sure you’re at room temperature. Allow your scale to warm up for a few minutes. Metal contracts in the cold so keeping your machinery away from windows that may carry a draft, fans, or otherwise cooler environments and giving it some time to warm up will allow for the most accurate readings.

Cheap scales may turn off after only 90 seconds, but again, try to let the scale warm-up for at least 30 seconds if you’re in a rush.

Be sure to measure on a stable flat surface free of noise or vibrations and be sure that you’re not directly on any carpet or soft material.

Calibration

When not in use, your scale should read zero. If it’s above or below, then you need to calibrate your scale. These small weights are usually supplied with the device and should be used often to ensure that you are getting the most accurate reading as major movements, bumps, and shocks can throw your scale readings off.

Caring for your digital scale

As with any digital device, the scale should be kept clean and free of dust and residue. This is especially important when measuring small amounts as the slightest issue could cause a misreading.

Whether you’re measuring out gold, coffee, medicine, or alternative medicine ;), there is a scale for you.

A quick primer on the metric system for your alternative medicine fans.

1 gram = 1000 milligrams. 1 gram is a very small unit of measurement. We’re talking a single dollar bill or a paper clip. You may need specificity down to 0.1g or even 0.01g but anything beyond that is probably overkill.

There are 28 grams in an ounce. Many uh-medicinal suppliers already know this of course. When you buy an eighth, you are buying 3.5 grams.

In a nutshell, determine the range (ie the smallest to largest item) that you’ll need your scale to accommodate as well as the level of precision you’ll require and then base your decision on the design, price, and ease of use.

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