Whether you're shipping freight, cooking, or studying science, knowing the difference between mass units is essential.
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Metric System (SI)
The International System of Units (SI) uses Kilograms (kg) as its base unit. Because it is decimal-based, it is the standard for science and international trade.
→1 Kilogram (kg) = 1,000 Grams (g)
→1 Gram (g) = 1,000 Milligrams (mg)
→1 Metric Tonne (t) = 1,000 Kilograms
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Imperial & US Customary
Primarily used in the USA and UK, this system relies on historical measurements like pounds and ounces for daily commerce and body weight.
→1 Pound (lb) = 16 Ounces (oz)
→1 Stone (st) = 14 Pounds (lb)
→1 US Ton = 2,000 Pounds (lb)
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Why Accuracy Matters
Conversion errors can be costly. For example, a 'Long Ton' (UK) is 2,240 lbs, while a 'Short Ton' (US) is 2,000 lbs—a difference of 240 lbs!
→Essential for shipping logistics
→Critical for medical dosages
→Crucial for international baking
Quick Conversion Tip
A quick way to estimate Kilograms to Pounds is to multiply by 2.2. For example, if an item weighs 10kg, it is approximately 22 lbs. For precision applications in medicine or engineering, always use our calculator to account for the exact factor of 2.20462.