Convert Weight and Mass Units: Gram (kg, g, dg, cg, mg,…), Pound, Ounce and Ton

This tool lets you convert a unit of mass or weight such as the gram, the kilogram or the ton.

The following units can be converted:

• Microgram (mcg)
• Milligram (mg)
• Centigram (cg)
• Decigram (dg)
• Gram (g)
• Decagram (dag)
• Hectogram (hg)
• Kilogram (kg)
• Metric ton (t)
• Pound (lb)
• Ounce (oz)
• Carat (c)
• Stone (st)
• Metric quintal (qt)
• Long hundredweight (cwtL)
• Short hundredweight (cwtC)
• Long ton (tL)
• Short ton (tC)

Note: the reference unit is the gram.

All conversions first go through the gram, meaning each value is converted to grams before being transformed into the desired unit.

Keyboard shortcuts

m ⇝ Clear

f ⇝ Save

Save and export

You can record the entered values in the calculator's history. To do so, just click the Save button.

The saved values can be exported in CSV or PDF format.

Why use this weight conversion tool?

This weight converter is useful for students, healthcare professionals, scientists, chefs and anyone who needs to convert units of mass.

It simplifies calculations and prevents conversion errors.

For example, if you have a recipe that calls for 500 grams of flour, but you only have a scale in pounds, you can use this tool to convert 500 grams to pounds (about 1.1 lb).

Other unit converters

Need to convert other quantities? Check out our other tools:

• Convert a distance (meter, kilometer, mile, inch…)
• Convert a volume (liter, milliliter, cubic meter…)