Welcome to our All-in-One Weight and Mass Converter, the easiest and most accurate online tool for converting between kilograms (kg), grams (g), milligrams (mg), pounds (lb), ounces (oz), stones, and tons.

Whether you’re working on fitness tracking, cooking measurements, scientific calculations, or shipping logistics, this tool helps you instantly convert any unit of mass or weight within seconds — all in one place.

No need to use multiple websites — just select your conversion type, enter the value, and get the accurate result immediately.

 

What is a Weight and Mass Converter?

A Weight and Mass Converter is an online calculator that instantly changes a weight or mass value from one unit to another.

For example:

Convert kilograms to pounds for gym weights or body measurements.

Convert grams to ounces for cooking recipes.

Convert tons to pounds for logistics or industrial applications.

Our converter includes every common weight conversion you’ll ever need — from tiny milligrams to heavy tons.

 

How to Use the Weight Converter

Select the conversion type (e.g., kilograms to pounds or ounces to grams).

Enter your desired value in the input field and click “Convert” button.

The result appears instantly — accurate, fast, and reliable.

You can switch between tools easily without refreshing the page, making it convenient for quick multiple conversions.

 

Why Use Our All-in-One Weight & Mass Converter?

✅ Covers All Units – Includes kilograms, grams, milligrams, pounds, ounces, stones, and tons.
✅ Accurate Conversions – Based on precise international measurement standards.
✅ Instant Results – No waiting, instant calculation as you type.
✅ Free and Easy to Use – No registration or ads — completely free.
✅ Mobile Friendly – Works perfectly on phones, tablets, and desktops.

This converter is perfect for students, nutritionists, fitness trainers, chefs, scientists, and logistics professionals.

 

Conversions Covered in This All-in-One Weight Converter

Below is a full list of the conversion tools included, along with formulas and real-life examples.

🔹 Kilograms Conversion Tools

1. Kilograms to Pounds

Formula: 1 kg = 2.20462 pounds
Example: 10 kg = 22.0462 lb

Used for: Converting body weight, gym equipment, or package weights.

2. Kilograms to Grams

Formula: 1 kg = 1,000 grams
Example: 5 kg = 5,000 g

Used for: Food measurements or lab experiments.

3. Kilograms to Ounces

Formula: 1 kg = 35.274 ounces
Example: 2 kg = 70.548 oz

Used for: Cooking and scientific calculations.

🔹 Pounds Conversion Tools

1. Pounds to Kilograms

Formula: 1 pound = 0.453592 kilograms
Example: 20 lb = 9.07185 kg

Used for: Bodyweight conversions or fitness tracking.

2. Pounds to Ounces

Formula: 1 pound = 16 ounces
Example: 5 lb = 80 oz

Used for: Packaging and product weights.

3. Pounds to Grams

Formula: 1 pound = 453.592 grams
Example: 3 lb = 1,360.776 g

Used for: Recipe conversions and material science.

4. Pounds to Stone

Formula: 1 pound = 0.0714286 stones
Example: 14 lb = 1 stone

Used mainly in: The UK for measuring body weight.

5. Pounds to Ton

Formula: 1 pound = 0.000453592 tons
Example: 2,000 lb = 0.907185 tons

Used for: Industrial and freight calculations.

🔹 Grams Conversion Tools

1. Grams to Ounces

Formula: 1 gram = 0.035274 ounces
Example: 100 g = 3.5274 oz

Used for: Kitchen recipes and food labels.

2. Grams to Pounds

Formula: 1 gram = 0.00220462 pounds
Example: 500 g = 1.10231 lb

Used for: Cooking and nutrition.

3. Grams to Kilograms

Formula: 1 gram = 0.001 kilograms

4. Grams to Milligrams

Formula: 1 gram = 1,000 milligrams
Example: 10 g = 10,000 mg

Used for: Medicine, chemicals, and supplements.

🔹 Ounces Conversion Tools

1. Ounces to Grams

Formula: 1 ounce = 28.3495 grams
Example: 4 oz = 113.398 g

Used for: Baking and food packaging.

2. Ounces to Pounds

Formula: 1 ounce = 0.0625 pounds
Example: 16 oz = 1 lb

3. Ounces to Kilograms

Formula: 1 ounce = 0.0283495 kilograms
Example: 32 oz = 0.907 kg

🔹 Milligrams Conversion Tools

1. Milligrams to Grams

Formula: 1 milligram = 0.001 grams

Used for: Precision measurements in pharmaceuticals and laboratories.

🔹 Stone Conversion Tools

1. Stone to Pounds

Formula: 1 stone = 14 pounds
Example: 5 st = 70 lb

Used for: Measuring body weight in the UK and Ireland.

🔹 Ton Conversion Tools

1. Ton to Pounds

Formula: 1 ton = 2,000 pounds (short ton)
Example: 1.5 tons = 3,000 lb

Used in: Shipping, logistics, and heavy industries.

 

Common Real-Life Use Cases

✅ Fitness & Health:
Track your weight in kilograms or pounds for accurate fitness goals.

✅ Cooking & Baking:
Easily convert grams to ounces for recipe accuracy.

✅ Shipping & Logistics:
Convert tons or kilograms into pounds for product weight compliance.

✅ Science & Laboratories:
Switch between grams and milligrams for precise chemical and experimental measurements.

✅ Education:
Perfect for students learning about mass and unit conversions.

 

Quick Reference Conversion Table