Unit Converter

Unit Converter

Weight and mass conversion: kg, grams and pounds

Kilograms (kg), grams (g), milligrams (mg), metric tons, pounds (lb) and ounces (oz) are used in shipping labels, recipes, retail packaging and international specifications. Choose the original and target unit, then enter an amount to calculate the equivalent.

Common weight conversion examples

• 1 kilogram = 1,000 grams
• 1 metric ton = 1,000 kilograms
• 1 pound = 453.59237 grams
• 1 ounce = 28.349523125 grams

How to convert kilograms to grams

Multiply kilograms by 1,000 to obtain grams; divide grams by 1,000 to obtain kilograms. For example, 2.5 kg equals 2,500 g. Pound and ounce calculations use defined conversion constants; displayed results may be rounded.

Is weight the same as mass?

In physics, weight is a force, while mass measures the amount of matter. Everyday labels often use “weight” for kilogram values. This calculator converts mass units.