Weight Converter
Transform weight measurements effortlessly between grams, ounces, pounds, kilograms, stones, and tons with industry-standard precision. Ideal for culinary professionals, shipping calculations, fitness tracking, and international weight standards with reliable metric-imperial conversions.
weight
grams
ounces
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Quick Presets
Common weight conversions for quick testing
Input & Settings
Enter value, select units, and run conversion.
How it works: Converts all weight values through grams as the base unit, then maps to your selected target unit.
Metric vs Imperial Systems
Understanding the difference between weight measurement systems
Metric System (SI)
1 gram =0.001 kg
1 kilogram =1,000 grams
1 tonne =1,000 kg
Used worldwide for scientific, medical, and most commercial applications
Imperial System (US)
1 ounce =28.35 grams
1 pound =16 ounces
1 ton =2,000 pounds
Used in the United States for everyday measurements and some industries
💡 Key conversions: 1 kg = 2.20462 lb, 1 lb = 0.453592 kg, 1 oz = 28.3495 g. Our converter uses precise mathematical formulas for accurate conversions between all weight units.
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