Weight Conversions

Weight (technically mass) conversions are critical in cooking, medicine, fitness, and shipping. The metric system uses kilograms and grams; the US uses pounds and ounces. Accurate weight conversion is essential for pharmaceutical dosing, international shipping costs, adapting recipes from other countries, and understanding nutrition labels from different regions.

  • ✓Converting kg to lbs for body weight, gym equipment, and fitness tracking
  • ✓Converting grams to ounces for international recipes and food packaging
  • ✓Converting pounds to kilograms for international shipping calculations
  • ✓Converting mg and mcg for precise medication and supplement dosages

Most Popular Weight Conversions

Kilograms → PoundsPounds → KilogramsGrams → OuncesOunces → GramsKilograms → GramsMetric Tons → Pounds

All Weight Converters

Convert from Kilograms (kg)

Kilograms → GramsKilograms → MilligramsKilograms → MicrogramsKilograms → Metric TonsKilograms → PoundsKilograms → OuncesKilograms → StonesKilograms → Short TonsKilograms → Long TonsKilograms → Carats

Convert from Grams (g)

Grams → KilogramsGrams → MilligramsGrams → MicrogramsGrams → Metric TonsGrams → PoundsGrams → OuncesGrams → StonesGrams → Short TonsGrams → Long TonsGrams → Carats

Convert from Milligrams (mg)

Milligrams → KilogramsMilligrams → GramsMilligrams → MicrogramsMilligrams → Metric TonsMilligrams → PoundsMilligrams → OuncesMilligrams → StonesMilligrams → Short TonsMilligrams → Long TonsMilligrams → Carats

Convert from Micrograms (μg)

Micrograms → KilogramsMicrograms → GramsMicrograms → MilligramsMicrograms → Metric TonsMicrograms → PoundsMicrograms → OuncesMicrograms → StonesMicrograms → Short TonsMicrograms → Long TonsMicrograms → Carats

Convert from Metric Tons (t)

Metric Tons → KilogramsMetric Tons → GramsMetric Tons → MilligramsMetric Tons → MicrogramsMetric Tons → PoundsMetric Tons → OuncesMetric Tons → StonesMetric Tons → Short TonsMetric Tons → Long TonsMetric Tons → Carats

Convert from Pounds (lb)

Pounds → KilogramsPounds → GramsPounds → MilligramsPounds → MicrogramsPounds → Metric TonsPounds → OuncesPounds → StonesPounds → Short TonsPounds → Long TonsPounds → Carats

Convert from Ounces (oz)

Ounces → KilogramsOunces → GramsOunces → MilligramsOunces → MicrogramsOunces → Metric TonsOunces → PoundsOunces → StonesOunces → Short TonsOunces → Long TonsOunces → Carats

Convert from Stones (st)

Stones → KilogramsStones → GramsStones → MilligramsStones → MicrogramsStones → Metric TonsStones → PoundsStones → OuncesStones → Short TonsStones → Long TonsStones → Carats

Convert from Short Tons (US ton)

Short Tons → KilogramsShort Tons → GramsShort Tons → MilligramsShort Tons → MicrogramsShort Tons → Metric TonsShort Tons → PoundsShort Tons → OuncesShort Tons → StonesShort Tons → Long TonsShort Tons → Carats

Convert from Long Tons (UK ton)

Long Tons → KilogramsLong Tons → GramsLong Tons → MilligramsLong Tons → MicrogramsLong Tons → Metric TonsLong Tons → PoundsLong Tons → OuncesLong Tons → StonesLong Tons → Short TonsLong Tons → Carats

Convert from Carats (ct)

Carats → KilogramsCarats → GramsCarats → MilligramsCarats → MicrogramsCarats → Metric TonsCarats → PoundsCarats → OuncesCarats → StonesCarats → Short TonsCarats → Long Tons

Frequently Asked Questions — Weight

How many pounds are in a kilogram?
1 kilogram equals 2.20462 pounds. To convert kg to lbs, multiply by 2.20462. To convert lbs to kg, multiply by 0.453592.
How many grams are in an ounce?
1 ounce (avoirdupois) equals 28.3495 grams. To convert ounces to grams, multiply by 28.3495. Note: a troy ounce (used for precious metals) equals 31.1035 grams.
What is the difference between weight and mass?
Mass measures the amount of matter in an object (kilograms, pounds) and is constant everywhere. Weight is the gravitational force on that mass, which varies slightly by location on Earth. In everyday use, the terms are used interchangeably since gravity at Earth's surface is nearly constant.

Related Conversion Categories

Volume Conversions

Convert between units of volume for cooking, science, and everyday use.

Density Conversions

Convert between units of density for chemistry, physics, and material science.

Energy Conversions

Convert between units of energy for physics, nutrition, and electrical applications.

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