Best Calibration Weights of 2025

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Calibration weights are essential tools used to ensure the accuracy of weighing scales in various industries such as laboratories, manufacturing, and food processing. These weights come in various sizes, shapes, and materials, including stainless steel, brass, and cast iron. They are used to calibrate and verify weighing equipment, ensuring the accuracy of measurements. Calibration weights are available in sets or individually, and they are graded to meet international standards for precision and accuracy. Investing in high-quality calibration weights is crucial to ensure the reliability and accuracy of weighing equipment.
At a Glance: Our Top Picks
Top 10 Calibration Weights
Weddecor High Precision Calibration Weights Set
The Weddecor Calibration Weights provide a reliable solution for calibrating various types of scales. Made from durable nickel-plated stainless steel, their compact design ensures easy access and long-lasting use without rust. This calibration set offers precise accuracy, making it suitable for both personal and professional applications. Additionally, the set comes with a protective storage container, keeping the weights safe and damage-free, which is particularly useful for those who need to transport them regularly.
Trimming Shop 500g Calibration Weight for Scales
The Trimming Shop 500g Weight is designed for high precision, ensuring a permissible error of only +/-0.003g. This means you can trust its accuracy when checking your scales. Made from nickel-plated steel, it offers durability and long-lasting use, making it ideal for a variety of applications, including jewellery and kitchen scales. With its heavy-duty construction, you can rely on this weight for consistent and precise measurements, enhancing your overall calibration experience.
sourcing map 50g Calibration Weight for Scales
The sourcing map Calibration Weight is designed to re-calibrate mini digital scales with a full capacity of 50g. Its chrome plated steel construction provides excellent stability and durability, making it resistant to corrosion. This calibration weight is perfect for ensuring the accuracy of various scales, including digital pocket scales and lab scales. By using this weight, you can easily keep your scale calibrated, giving you confidence in your measurements.
HFS M2 8pcs Calibration Weight Set
The HFS M2 Calibration Weights are crafted from 45 steel with a chrome plated surface, ensuring durability and resistance to rust. This set includes eight weights, ranging from 10g to 500g, providing versatility for various calibration needs. The exquisite packaging features a special weight box and plastic tweezers, making it easy for you to handle and store the weights securely. With M2 accuracy, these weights ensure precise measurements, enhancing the reliability of your calibration processes.
HFS 1kg Chrome Calibration Weight M2 Class
The HFS 1kg Calibration Weight is crafted from durable steel with a chrome-plated finish, ensuring resistance to rust and longevity. Weighing precisely 1000g, it meets M2 class standards, providing a tolerance of ±160 mg for accurate measurements. Its high-performance chrome treatment enhances its durability, making it a reliable choice for your weighing needs. This calibration weight is ideal for use in laboratories, factories, supermarkets, and kitchens, offering you the convenience of precise measurements in various settings.
Symphonyw Calibration Weight Set with Tweezer
The Symphonyw Calibration Weights set is an essential tool for ensuring your scales remain precise and reliable. Made from durable steel with a chrome plating, these weights offer longevity and resistance to wear. The included tweezer allows you to easily and safely handle the weights, enhancing convenience and reducing the risk of contamination. This set is ideal for verifying the accuracy of digital scales, jewellery scales, and kitchen scales, making it suitable for laboratory, commercial, and educational use.
TOODOO Calibration Weight Set with Tweezer
The TOODOO Calibration Weights set includes five precision weights (1 g, 2 g, 5 g, 10 g, and 20 g) along with a handy tweezer. These weights are perfect for calibrating your electronic balances and scales, ensuring accurate measurements for your needs. Constructed from durable steel, they offer stability and resistance to corrosion, making them a long-lasting addition to your tools. The chrome plated finish enhances their longevity, while the anti-static tweezer allows you to handle the weights conveniently without any hassle.
sourcing map Calibration Weight Set 20g 50g 100g
The sourcing map Calibration Weights set includes three precise weights of 20g, 50g, and 100g, ideal for ensuring the accuracy of your scales. Made from chrome plated steel, these weights offer excellent stability and corrosion resistance, making them durable for long-term use. They are perfect for various applications, including digital pocket scales and laboratory equipment. By using this weight set, you can easily keep your scales calibrated, ensuring reliable measurements in your work or studies.
ACCT 9-Piece Calibration Weight Set with Tweezers
The ACCT Calibration Weight Set offers nine precision weights, including 1g, 2g, 5g, 10g, 20g, 50g, and 100g. This high precision ensures your scales remain calibrated, resulting in more accurate measurements for your tasks. Crafted from chrome-plated steel, the weights are durable and resistant to corrosion, ensuring long-lasting use. Each set also includes convenient stainless steel tweezers, allowing you to handle the weights easily without compromising accuracy. This product is perfect for balance tests, scale adjustments, and educational purposes.
17PCS Stainless Steel Calibration Weights Set
The OTYMIOW Calibration Weights set is a comprehensive collection that includes various precision weights, ensuring you have the right size for your measurement needs. Made from high-quality stainless steel, these weights are resistant to wear and oxidation, making them durable for repeated use. The set boasts extreme precision, with an accuracy deviation of just +/- 0.003g, ensuring reliable results in your measurements. Ideal for multiple industries, it caters to labs, businesses, and jewellery applications, providing convenience and accuracy in your weighing tasks.
Frequently Asked Questions (FAQs)
1. What is calibration weights?
Calibration Weights are used to check the reading of scale, to make sure it is still accurate. They used when calibrating a scale. While the calibration states how a scale behaves, adjustment of the scale changes its behavior.
2. How do you calibrate a weighing instrument?
To calibrate a digital scale, set it on a flat surface and choose a weight. Turn the scale on and go into calibration mode. Put the weight on the scale and wait for it to calculate the total weight. If the weight is off, hit the calibration button and wait for it to recalibrate.
3. What can I use for 50g calibration weight?
Coins as Calibration Weights Coins are minted to precise specifications, including weight, so they can serve as calibration weights. For example, a U.S. nickel weighs 5 grams. A penny weighs 2.5 grams. These numbers easily multiply, so 10 nickels can serve as a 50-gram calibration weight.
During our calibration weight research, we found 174 calibration weight products and shortlisted 10 quality products. We collected and analyzed 39,345 customer reviews through our big data system to write the calibration weights list. We found that most customers choose calibration weights with an average price of £10.41.
The calibration weights are available for purchase. We have researched hundreds of brands and picked the top brands of calibration weights, including WedDecor, Trimming Shop, sourcing map, HFS, Symphonyw. The seller of top 1 product has received honest feedback from 758 consumers with an average rating of 4.7.

Kenneth Collin graduated from Imperial College, London, at 22. He is a UX/UI designer, a web developer, and a writer, amongst others. At age 14, Kenneth programmed his first app. Kenneth's app served as a remote control for censored devices. "When I was 8, I would pick up scraps from electronics and try to rebuild or at least fix them," Kenneth said in one of his recent articles on Home repairs for top gadgets.