Weight Converter
Convert between commonly used weight and mass units quickly and accurately.
Free Online Calculators, Converters & Utility Tools
Fast • Accurate • Free
Free Online Calculators, Converters & Utility Tools
Fast • Accurate • Free
Convert between commonly used weight and mass units quickly and accurately.
The ToolXone Weight Converter is a free online tool for converting values between commonly used weight and mass units. Enter a value, select the unit you are converting from, select the unit you want to convert to, and convert the result instantly. The converter supports kilograms, grams, milligrams, micrograms, pounds, ounces, stones, metric tons, carats and troy ounces.
A weight converter is an online tool that converts measurements between commonly used units of mass and everyday weight measurements. These conversions are useful in everyday life, education, science, cooking, fitness, shipping, commerce, manufacturing, jewelry and international measurements.
Weight conversion uses standardized relationships between units to calculate an equivalent measurement. For example, 1 kilogram equals 1,000 grams and approximately 2.20462 pounds. When you enter a value and select the source and target units, ToolXone applies the appropriate conversion factor and calculates the equivalent value automatically.
To use the ToolXone Weight Converter, enter the value you want to convert, choose the unit you are converting from, choose the target unit, and select Convert. The result is calculated instantly. You can also select Swap Units to reverse the source and target units and perform the conversion in the opposite direction.
The kilogram (kg) is the primary SI unit of mass and is one of the most commonly used units for everyday weight measurements. ToolXone can convert kilograms into grams, milligrams, micrograms, pounds, ounces, stones, metric tons, carats and troy ounces, as well as convert other supported units back into kilograms.
The gram (g) is commonly used for smaller everyday measurements, food quantities, ingredients, products and scientific measurements. ToolXone can convert grams to kilograms, milligrams, micrograms, pounds, ounces and other supported units.
Milligrams (mg) and micrograms (µg) are small units commonly encountered in scientific, laboratory, nutritional and technical measurements. ToolXone allows users to convert these smaller units into kilograms, grams and other supported weight units.
The pound (lb) is widely used for everyday weight measurements, particularly in the United States and several other countries. ToolXone can convert pounds into kilograms, grams, ounces, stones, metric tons and other supported units.
The ounce (oz) is commonly used for smaller weight measurements, particularly in the United States and in various commercial and everyday applications. ToolXone supports conversion between ounces and other commonly used weight and mass units.
The stone (st) is a traditional unit of weight commonly used in the United Kingdom and Ireland, especially when discussing body weight. One stone equals 14 pounds. ToolXone allows users to convert stones into kilograms, pounds and other supported units.
The metric ton (t), also known as a tonne, is equal to 1,000 kilograms. It is commonly used for large quantities such as cargo, industrial materials, vehicles, agricultural products and commercial shipments. ToolXone can convert metric tons into kilograms and other supported units.
The carat (ct) is a unit of mass primarily used for gemstones and diamonds. One carat equals 200 milligrams. ToolXone supports carat conversion to and from other supported weight and mass units.
The troy ounce (ozt) is a specialized unit of mass commonly used for precious metals such as gold, silver and platinum. It is different from the standard avoirdupois ounce used for many everyday measurements. ToolXone supports troy ounce conversion to and from other supported weight and mass units.
A weight converter can be useful for everyday tasks such as checking body weight, comparing product quantities, converting recipe measurements, understanding package weights and working with measurements expressed in different countries or systems.
Students, teachers and researchers frequently work with different units of mass in mathematics, physics, chemistry and laboratory measurements. A weight converter can simplify unit conversions and help reduce manual calculation errors when working with standardized conversion factors.
Shipping companies, online sellers, manufacturers and businesses may encounter weight values expressed in kilograms, pounds, grams, ounces or metric tons. Converting between these units can make product specifications, shipping information and international business measurements easier to understand.
Different countries, industries and applications use different units for measuring mass or weight. Kilograms and grams are common metric units, pounds and ounces are common in the United States, stones are used in some body-weight contexts, metric tons are used for large quantities, carats are used for gemstones and troy ounces are used for precious metals.
ToolXone uses standardized conversion factors to calculate results between supported units. The displayed result may be rounded for readability, while the underlying conversion uses the corresponding unit relationship. For measurements that require certified or laboratory-grade precision, users should verify the result against the relevant professional standard.
The Swap Units button makes it easy to reverse the selected source and target units. For example, if the converter is set to convert kilograms to pounds, selecting Swap Units changes the direction to pounds to kilograms.
ToolXone provides a free browser-based Weight Converter for quick unit conversion. No dedicated software installation is required. The responsive interface can be used on desktop computers, laptops, tablets and smartphones with a modern web browser.
The ToolXone Weight Converter provides a convenient way to convert values between commonly used weight and mass units. With support for kilograms, grams, milligrams, micrograms, pounds, ounces, stones, metric tons, carats and troy ounces, it is useful for everyday measurements, education, science, business, shipping and specialized applications.