How Many Grams in a Stone: A Comprehensive Guide

When it comes to measuring weight, different systems are used around the world. In the United States, pounds and ounces are commonly used, while in many other countries, the metric system is the standard. One unit of weight that often causes confusion is the stone. In this article, we will explore the concept of a stone and answer the question: how many grams are in a stone?

Understanding the Stone Measurement

The stone is a unit of weight primarily used in the United Kingdom and Ireland. It is not commonly used in other parts of the world, which is why many people outside these regions may not be familiar with it. The stone is equal to 14 pounds or approximately 6.35 kilograms.

The stone measurement is often used to measure body weight, especially in the context of personal health and fitness. For example, someone might say they weigh “10 stone” instead of saying they weigh “140 pounds” or “63.5 kilograms.”

Converting Stone to Grams

To convert a weight in stone to grams, we need to know the conversion factor between stones and grams. Since there are 14 pounds in a stone and 1 pound is equal to 453.592 grams, we can calculate the number of grams in a stone as follows:

1 stone = 14 pounds

1 pound = 453.592 grams

Therefore, 1 stone = 14 pounds = 14 * 453.592 grams = 6,350.293 grams

So, there are approximately 6,350 grams in a stone.

Examples and Applications

Understanding the conversion between stones and grams can be useful in various situations. Let’s explore a few examples:

1. Weight Loss Tracking

When someone is trying to lose weight, they may set a goal to lose a certain number of stones. By knowing the conversion to grams, they can track their progress more accurately. For instance, if someone aims to lose 2 stones, they can calculate the equivalent weight in grams, which is approximately 12,700 grams.

2. Cooking and Baking

In some recipes, especially those from the UK and Ireland, ingredients may be listed in stones. Converting these measurements to grams can make it easier for those who are more familiar with the metric system. For example, if a recipe calls for 1.5 stones of flour, you can convert it to grams, which is approximately 9,525 grams.

3. International Travel

If you are traveling to the UK or Ireland from a country that uses a different weight measurement system, understanding the stone can be helpful. It allows you to better understand your weight in the local context and communicate it effectively if needed.

Common Questions about Stones and Grams

1. Is the stone measurement used outside the UK and Ireland?

No, the stone measurement is primarily used in the UK and Ireland. Other countries, such as the United States, Canada, and Australia, use different weight measurement systems.

2. Why is the stone measurement still used?

The stone measurement has historical roots and is deeply ingrained in the culture of the UK and Ireland. While it may not be as widely used today, it is still commonly used to measure body weight.

3. How can I convert stones to kilograms?

Since 1 stone is equal to 6.35 kilograms, you can convert stones to kilograms by multiplying the number of stones by 6.35. For example, if you have 5 stones, the equivalent weight in kilograms would be 5 * 6.35 = 31.75 kilograms.

4. What is the origin of the stone measurement?

The stone measurement dates back to ancient times when people used stones or rocks as a reference for weight. Over time, the stone measurement became standardized, and it is still used today in certain regions.

5. Are there any other units of weight similar to the stone?

While the stone is primarily used in the UK and Ireland, there are other units of weight that are similar in concept. For example, the “pood” is a unit of weight used in Russia and is equal to 16.38 kilograms or 36.11 pounds.


The stone is a unit of weight primarily used in the UK and Ireland. It is equal to 14 pounds or approximately 6.35 kilograms. To convert a weight in stone to grams, you can multiply the number of stones by 6,350.293. Understanding the stone measurement can be useful in various contexts, such as weight loss tracking, cooking and baking, and international travel. While the stone measurement may not be widely used outside the UK and Ireland, it remains an important part of their culture and history.


1. How many grams are in half a stone?

Half a stone is equal to approximately 3,175 grams.

2. What is the average weight of a stone?

The average weight of a stone is 14 pounds or approximately 6.35 kilograms.

3. Can I use the stone measurement to measure objects other than body weight?

While the stone measurement is primarily used for measuring body weight, it can technically be used to measure other objects as well. However, it is not commonly used for this purpose.

4. Is the stone measurement used in medical settings?

In medical settings, weight is typically measured in kilograms or pounds. The stone measurement is not commonly used in this context.

5. Are there any countries that use both the stone and the metric system?

No, countries that use the stone measurement typically use the imperial system of measurement, which includes pounds and ounces. The metric system is used in countries such as France, Germany, and Japan.

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