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Mass & Weight Converter
kg to g, g to kg, kg to lb & more

Convert mass and weight units instantly — kilograms to grams, grams to kilograms, kilograms to pounds, pounds to kilograms, milligrams to grams and tonnes to kilograms. Built for quick homework, lab records and everyday conversions.

kg ↔ gkg ↔ lbmg ↔ g

Convert mass & weight now — free

MASS & WEIGHT CONVERTER ✓ Accurate
CONVERTED VALUE 1 g = 0.001 kg
1 kg 1000 g
1 lb 0.4536 kg
1 tonne 1000 kg
🛡 Formula verified · No data stored SI unit standard
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Free Mass & Weight Converter — kg to g, g to kg, kg to lb & more

Converting between mass and weight units is a calculation students and professionals run into constantly — turning textbook values into the units a formula expects, checking a lab measurement, or working through a recipe, shipping or word problem that mixes metric and imperial units. This mass and weight converter is built to make that instant, accurate, and free, with no signup, no app download and no ads getting in the way.

It covers the mass conversions people search for most: kg to g, g to kg, kg to lb, lb to kg, mg to g and tonne to kg — plus ounces, stones and carats, so you can move between the metric and imperial systems in one place instead of hunting for a separate tool for each unit pair.

Every conversion uses standard SI conversion factors — the same values accepted in TN Board, CBSE, NEET and JEE numericals — so the result you get here is the exact figure examiners expect, not a rounded approximation. That makes this tool useful for more than just homework: chemistry students converting sample masses, competitive exam aspirants solving physics numericals under time pressure, and anyone who needs a quick, reliable weight conversion can rely on the same formulas used in this converter.

Just pick your from and to units (or tap one of the popular conversion shortcuts above), type in your value, and the result updates instantly — no "convert" button to click, no page reload, no waiting.

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FAQ

Mass & weight conversion — common questions

Multiply the value in kilograms by 1000. For example, 1 kg = 1000 g, and 2.5 kg = 2500 g. This converter does the multiplication for you instantly.

Divide the value in grams by 1000. For example, 2500 g ÷ 1000 = 2.5 kg.

1 pound equals approximately 0.4536 kilograms. To convert lb to kg, multiply the pound value by 0.4536.

Divide the value in kilograms by 0.4536 (or multiply by roughly 2.2046). For example, 1 kg ≈ 2.2046 pounds.

Divide the value in milligrams by 1000. For example, 1000 mg = 1 g, and 3200 mg = 3.2 g.

Multiply the value in tonnes by 1000. For example, 1 tonne = 1000 kg, and 1.5 tonnes = 1500 kg.

Yes — it uses standard SI conversion factors (the same values accepted in TN Board, CBSE, NEET and JEE numericals), so results match what's expected in exam answers.

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