About KG to LBS Converter
Understanding Weight Conversions
This converter helps you convert between metric (milligrams, grams, kilograms, metric tons) and imperial (ounces, pounds, stones, US tons) weight units. The most common conversion is between kilograms and pounds, where 1 kilogram equals approximately 2.205 pounds.
Metric System (SI Units)
- Milligram (mg): 1/1000 of a gram, used for very small weights
- Gram (g): Base unit for small weights, 1/1000 of a kilogram
- Kilogram (kg): Base unit of mass in the metric system, 1000 grams
- Metric Ton (t): 1000 kilograms, used for large weights
Imperial System
- Ounce (oz): 1/16 of a pound, equals 28.35 grams
- Pound (lbs): 16 ounces, equals 453.592 grams
- Stone (st): 14 pounds, primarily used in UK for body weight
- US Ton: 2,000 pounds or 907.185 kilograms
Common Conversions Reference
- 1 kilogram = 2.205 lbs
- 1 pound = 453.592 g / 0.454 kg
- 1 ounce = 28.35 g
- 1 stone = 6.35 kg / 14 lbs
- 1 metric ton = 1000 kg / 2204.62 lbs
- 100 grams ≈ 3.5 oz
- 500 grams ≈ 1.1 lbs
- 10 kilograms ≈ 22 lbs
- 50 kilograms ≈ 110 lbs
- 100 kilograms ≈ 220 lbs
Key Conversion Facts
- 1 kilogram ≈ 2.205 pounds
- 1 pound = 453.592 grams (exact)
- 1 ounce ≈ 28.35 grams
- 1 stone = 14 pounds = 6.35 kilograms
- 1 metric ton = 1000 kilograms ≈ 2204.62 pounds
Common Use Cases
- Converting body weight for medical or fitness purposes
- Understanding product weights for international shipping
- Cooking and baking recipe conversions
- Luggage weight limits for air travel
- Sports equipment specifications (dumbbells, barbells)
- Newborn baby weight tracking
- Vehicle and cargo weight calculations
Quick Reference
Metric to Imperial:
1 g ≈ 0.035 oz
100 g ≈ 3.5 oz
1 kg ≈ 2.2 lbs
50 kg ≈ 110 lbs
100 kg ≈ 220 lbs
Imperial to Metric:
1 oz ≈ 28.35 g
1 lb ≈ 0.454 kg
10 lbs ≈ 4.54 kg
100 lbs ≈ 45.4 kg
1 stone ≈ 6.35 kg
Body Weight Ranges
Average Weights:
Newborn: 2.5-4 kg (5.5-8.8 lbs)
1 year old: 9-11 kg (20-24 lbs)
Adult Female: 60-70 kg (132-154 lbs)
Adult Male: 75-85 kg (165-187 lbs)
Fitness Weights:
Light dumbbell: 2-5 kg (4-11 lbs)
Medium dumbbell: 10-15 kg (22-33 lbs)
Heavy dumbbell: 20-30 kg (44-66 lbs)
Olympic barbell: 20 kg (44 lbs)
Tips for Accurate Conversions
- For quick estimates: 1 kg ≈ 2.2 lbs (actually 2.205)
- For reverse: divide pounds by 2.2 to get kilograms
- Remember that weight and mass are technically different (weight depends on gravity)
- Use precise conversions for medical or scientific purposes
- Most countries use kilograms; the US primarily uses pounds
Why 2.205?
The conversion factor of 2.20462 pounds per kilogram comes from the international avoirdupois pound definition. One pound is defined as exactly 0.45359237 kilograms, which means 1 kilogram equals approximately 2.20462 pounds. For everyday use, 2.2 is a good approximation.