Weight Converter
Convert between kilograms, pounds, ounces, grams, stone, and tonnes - instantly.
About the Weight Converter
Weight conversions appear in everyday life far more frequently than most people notice. Cooking recipes from international sources use pounds and ounces; pharmaceutical dosing is in milligrams and grams; shipping logistics works in kilograms and tonnes; gold and silver trading in India uses grams and tolas; and body weight is quoted differently across geographies - kilograms in India, stone and pounds in the UK, pounds in the US. A single reliable converter handles all of these immediately.
India officially uses kilograms for weight, and the Legal Metrology Act mandates metric units for trade. However, traditional units persist in specific domains. Gold jewelry is priced per gram but sometimes weighed in tolas (1 tola = approximately 10 grams in common modern usage, though the traditional measure is 11.66 g). Agricultural commodities are traded in quintals (100 kg) and metric tonnes. Imported recipes use pounds and ounces. Each context requires a different conversion approach.
In healthcare and fitness, accurate weight conversion is particularly important. Pediatric medication dosages are weight-based, and prescriptions written in a country using pounds need to be converted to kilograms before dosing an Indian child. Nutritional labels in India display values per 100 grams but US labels show per serving in ounces. Gym equipment imported from the US may show weights in pounds. Having a reliable reference for all weight units reduces error risk in contexts where accuracy genuinely matters.
Weight Conversion Reference
1 kilogram = 1,000 grams = 2.205 pounds · 1 pound = 453.6 grams = 16 ounces · 1 metric tonne = 1,000 kg
1 troy ounce (gold) = 31.1035 grams · 1 stone (UK) = 14 pounds = 6.35 kg · Traditional Indian: 1 tola = 11.66 grams (used in gold) · 1 quintal = 100 kg · 1 maund = 37.32 kg (varies by region)
Worked Example
International recipe calls for 2.5 cups butter, package in grams
2.5 cups x 227 g = 567.5 grams = 1.25 pounds = 20 ounces
Tips & Insights
- 1
Gold jewelry in India is priced per gram. When a jeweler quotes a price per tola, verify using 1 tola = 10 g (modern standard). For gold futures and international prices quoted per troy ounce, use the exact conversion: 1 troy ounce = 31.1035 g.
- 2
Agricultural commodity prices on NCDEX and MCX are quoted per quintal (100 kg) or per metric tonne (1,000 kg). To compare with international prices quoted per bushel or short ton, convert to kg first - 1 short ton = 907.2 kg (not 1,000 kg).
- 3
Aviation and international shipping use kilograms universally. If your body weight is recorded in pounds from a foreign fitness app, divide by 2.205 to get kilograms for airline check-in and visa applications.
- 4
Pediatric medication dosages are weight-based - always record and use body weight in kilograms for dose calculations, even if the last reading was in pounds from a foreign hospital. A dose in mg/kg applied to lb instead of kg creates a 2.2x error.
- 5
Body weight in the UK is commonly expressed in stone and pounds (1 stone = 14 pounds = 6.35 kg). A person who weighs 11 stone 4 lb weighs 71.7 kg. When comparing with UK health guidelines or BMI tables expressed in stone, this converter removes the mental arithmetic.
- 6
In cooking, 1 cup of different ingredients has very different weights. 1 cup water = 240 g; 1 cup flour = 120-130 g; 1 cup butter = 227 g. Recipes using cups are volumetric, not weight-based - use a kitchen scale in grams for precision baking rather than relying on cup measurements.
- 7
Quintal is the standard unit in Indian wholesale markets and government MSP (Minimum Support Price) announcements. 1 quintal = 100 kg. To compare MSP with global commodity benchmarks (typically in USD per metric tonne), multiply the quintal price by 10 and convert at the current exchange rate.
Why this matters for you
Weight unit errors in healthcare are among the most dangerous unit conversion mistakes. A medication ordered in mg/lb that is administered using a kg-based dose is a 2.2x overdose. Every year, medical errors involving unit confusion - including weight - cause preventable harm. Understanding the relationship between kg and pounds is essential for any caregiver, parent, or patient navigating international medical records or imported medical devices.
In commerce and manufacturing, weight unit errors translate directly into financial losses. Import duty, shipping cost, and ingredient procurement pricing all depend on accurate weight in the correct unit. An invoice that confuses metric tonnes with short tons (1 short ton = 907 kg, not 1,000 kg) understates the quantity by 9.3%. At industrial scale, this discrepancy represents significant value. Accurate weight conversion is a basic commercial competency.
For the growing number of Indians following international fitness programs, cooking international recipes, or purchasing from global e-commerce platforms, weight unit fluency is an everyday need. A protein supplement showing serving size in ounces, a recipe specifying butter in pounds, or a fitness goal set in pounds all require straightforward conversion. Rather than approximating, using exact conversions avoids the cumulative errors that undermine precision in cooking, training, and health tracking.
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