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How Much Does a Pen Weigh in Grams? – Facts

Written by Robert S. Brown / Fact checked by Helen B. Harris

how much does a pen weigh

Discovering the weight of a pen can be surprisingly fascinating.

So, how much does a pen weigh? An ordinary pen, regardless of the brand, typically weighs around 1.5 grams when measured on a digital scale. It strikes a perfect balance between being lightweight enough for effortless writing and providing stability for a smooth writing experience.

In this comprehensive guide, we’ll delve into the varying weights of pens. Join us on this journey to uncover the weight of a pen in grams, in kg, and in pounds.

Average Weight of Pens

The average weight of pens generally weighs no more than 10 grams, depending on the type and design. These pens prioritize portability and are designed to be ultra-light for effortless use.

When it comes to how much a ballpoint weighs, which is the most common type, the average weight typically ranges from 5.8 to 6 grams.

BIC Cristal ballpoint pens, for instance, are only 5.8 grams. These pens are lightweight for comfortable everyday use.

However, a fountain pen weighs much heavier. Nakaya fountain pens, for example, range from 17 to 27 grams. So, the average pen weight is only approximate, it really depends on the pen type.

How many grams are the lightest and heaviest pens?

1. The Lightest Pen


NanoPen is the world’s lightest ballpoint pen that weighs a mere 0.16 ounces, 0.01 pounds, 4.5 grams, and 0.0045 kg.

The lightest pens available can weigh as little as 5 grams or even less. These pens are typically designed for maximum portability and effortless writing.

2. The Heaviest Pen


On the other hand, the heaviest pens can weigh over 100 grams. These pens often feature solid metal construction or may incorporate additional components that contribute to their weight.

While heavy pens are not a conventional term, people often refer to oversized pencils as heavy pens. These pencils offer a unique writing experience. You may have come across these long and large-sized pencils before.

Heavy pens are characterized by their extra-thick barrels and the use of a firm 0.7 mm pencil lead, resulting in a weight of approximately 122 grams.

These heavyweight pens are specifically designed to help build hand strength. These pens often come with ink or lead refills and include an eraser, ensuring a comprehensive writing tool.

Factors That Affect Pen Weight

Several factors can influence the weight of a pen. Here are some key factors that can affect pen weight:

1. Pen Cap


For example, a pen cap from a BIC pen weighs approximately 1 gram (0.98) on a digital scale. This lightweight cap adds to the overall weight of the pen when it’s in use.

Related: Parts of a Pen.

2. Ink Type


The ink or graphite used in pens is unbelievably light, making it difficult to accurately measure its weight. While the ink or graphite marks on paper do add mass, they are typically so lightweight that it would require an extremely sensitive scale to measure them accurately.

3. Material


The material used in constructing the pen can significantly impact its weight. Pens made of lightweight materials like plastic or resin tend to be lighter, while pens made of metals such as brass or stainless steel are generally heavier due to their higher density.

4. Design and Size


The design and size of the pen can also affect its weight. Pens with larger barrels or thicker construction may weigh more than slimmer and more streamlined models. The overall shape and size of the pen can impact its balance and feel in hand.


That’s the end of the “How much does a pen weigh?” article. The weight of a pen can vary depending on several factors such as the material, design, and type of pen.

From lightweight options weighing as little as a few grams to heavier ones that provide a substantial feel, there is a wide range of choices to suit individual preferences.

Understanding the weight of a pen is important as it can affect writing comfort, control, and overall experience.

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