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US Weight Converter Calculator

Instantly convert pounds to kilograms, ounces to grams, and tons. Ideal for American shipping, cooking recipes, and gym weight tracking.

Weight Input

Standard weight measurement unit

Unit Categories

Quick Set

1 kilogram
1 pound (0.45 kg)
1 ounce (28.3 g)
1 US ton
1 stone (14 lbs)

Conversion Results

(10 units)
⚖️

Enter a value to see conversions

Start by entering a weight value above

Weight Conversion Tools

KG → LB
Kilograms to Pounds
LB → KG
Pounds to Kilograms
G → OZ
Grams to Ounces
OZ → G
Ounces to Grams
KG → G
Kilograms to Grams
G → KG
Grams to Kilograms
MG → G
Milligrams to Grams
T → KG
Metric Tons to Kilograms
ST → KG
Stones to Kilograms
LB → OZ
Pounds to Ounces
OZ → LB
Ounces to Pounds
TON → KG
Imperial Tons to Kilograms

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How to Use the Weight Converter

Follow these simple steps to convert between US Customary and metric weight units

  1. 1

    Enter Weight

    Type in the weight value you need to convert (e.g., 150 lbs)

  2. 2

    Select Unit

    Choose the source unit, like pounds for dumbbells or ounces for postage

  3. 3

    View Results

    Instantly see the conversion in kilograms, grams, and other units

  4. 4

    Copy & Use

    Click any result to copy it for your records or recipes

Professional Weight Calculator

Fast conversions for US weights, kg to lbs, and ounces. Ideal for shipping from NYC to LA, tracking gym PRs, or baking cupcakes.

Instant Results

Real-time conversion as you type, no buttons required

High Precision

Accurate to the decimal for shipping labels and science labs

100% Free

No registration or limits, completely free to use

Perfect For

Cooking Fitness Scientific

Frequently Asked Questions

Which weight units are supported?
We support all major units including US Customary (pounds, ounces), metric (kg, g), and specialty units like carats for jewelry and grains for ammo reloading.
How accurate are the weight conversions?
Calculations use scientific precision standards. Reliable for calculating shipping costs for FedEx packages or measuring supplements.
What's the difference between mass and weight?
Scientifically, mass is constant while weight changes with gravity (like on the Moon). In daily US life, we use 'weight' for pounds (lbs) on a scale.
Can I use this for recipe conversions?
Yes! It's perfect for converting European cookbooks from grams to pounds and ounces for American baking measurements.