Weight Converters
Looking for fast, simple, and accurate weight converters? This category brings together the most useful weight and mass conversion tools on Easy Unit Convert, so you can quickly switch between kilograms, pounds, stones, ounces, grams, and other common units.
You may need a weight conversion when checking a recipe, comparing body weight, reading a fitness plan, or understanding an international product label. Because different countries use different measurement systems, this page helps you find the right calculator in seconds.
What are weight converters?
Weight converters are online tools that help you change one unit of weight or mass into another. For example, you can convert kilograms to pounds, pounds to kilograms, grams to ounces, stones to pounds, or kilograms to stones.
Many countries use kilograms and grams, while the United States often uses pounds and ounces. In the United Kingdom and Ireland, body weight is also commonly expressed in stones and pounds. As a result, a reliable weight conversion category can save time and reduce mistakes.
Most common weight conversion formulas
Here are some of the most frequently used weight conversion formulas:
| Conversion | Formula | Example |
|---|---|---|
| Kilograms to pounds | kg × 2.20462 = lb | 70 kg = 154.32 lb |
| Pounds to kilograms | lb ÷ 2.20462 = kg | 150 lb = 68.04 kg |
| Stones to pounds | st × 14 = lb | 10 st = 140 lb |
| Pounds to stones | lb ÷ 14 = st | 168 lb = 12 st |
| Kilograms to grams | kg × 1000 = g | 2.5 kg = 2500 g |
| Grams to kilograms | g ÷ 1000 = kg | 750 g = 0.75 kg |
| Ounces to grams | oz × 28.3495 = g | 8 oz = 226.8 g |
| Grams to ounces | g ÷ 28.3495 = oz | 100 g = 3.53 oz |
These formulas are useful when you want to understand how the calculation works. However, the converters listed below make the process faster, easier, and more practical for everyday use.
Available weight converters on Easy Unit Convert
Use the links in this category to find the exact converter you need:
| Converter | Best for |
|---|---|
| Convert kg to BMI – The Ultimate Guide to Understanding Your Body Mass Index | Understanding body mass index from weight and height data |
| Convert Stones to Pounds | Converting UK body weight measurements into pounds |
| Convert Pounds to Stone | Turning pounds into stones for body weight comparisons |
| Convert Kilograms to Stones | Comparing metric body weight with UK stone measurements |
| Convert Stones to Kilogrammes | Converting stones into kilograms |
| Convert Ounces to Grams | Recipes, food labels, and small package weights |
| Convert Grams to Ounces | Cooking, baking, nutrition labels, and product weights |
| Convert lbs to kg | Fitness, body weight, shipping, and international measurements |
| Convert kg to lbs | Everyday metric-to-imperial weight conversion |
| Convert Kg to Grams – Quick & Accurate Conversion Guide | Simple metric conversions for food, science, and everyday use |
| Convert Grams to Kilos – Simple & Accurate Conversion Guide | Turning smaller metric amounts into kilograms |
Why use our weight converters?
The main goal of this page is to make unit conversion simple, clear, and practical. Each converter is designed to give you a quick answer, while also explaining the formula behind the result. Therefore, you can get the number you need and understand how the conversion works.
These tools are useful for checking body weight in different measurement systems, converting recipe ingredients, understanding product labels, comparing fitness or health data, and preparing shipping or package information.
Metric and imperial weight units explained
The metric system uses units such as grams and kilograms. Since it is based on powers of 10, it is easy to scale up or down. For this reason, metric conversions such as kilograms to grams or grams to kilograms are usually very simple.
The imperial and US customary systems use pounds and ounces. These units are common in the United States, especially for body weight, food packaging, and shipping.
Stones are mainly used in the UK and Ireland for body weight. One stone equals 14 pounds, so stone-to-pound conversions are especially useful when comparing body weight across different countries.
Quick answer: which weight converter should you use?
For body weight, start with kg to lbs, lbs to kg, stones to pounds, pounds to stone, kilograms to stones, or stones to kilogrammes.
When you are converting food, recipes, or small quantities, grams to ounces and ounces to grams are usually the most useful options.
For simple metric conversions, kg to grams and grams to kilos are the best choices because they are quick, easy, and commonly used.
Final thoughts
This weight converters category is designed to help you find the right calculator quickly and get accurate, easy-to-understand results. Choose the converter you need from the list above, enter your value, and get an instant answer with a clear explanation.
