Weight Converter

Convert between different weight and mass units including kilograms, pounds, ounces, stones, and more.

Result

2.2046

Formula: 1 kg = 2.2046 lb

Value

From / To

From

All Conversions

Kilograms1 kg

Grams1,000 g

Pounds2.2046 lb

Ounces35.274 oz

Stones0.157473 st

Common Conversions

1 kg = 2.205 lb

1 lb = 0.4536 kg

1 oz = 28.35 g

1 stone = 6.35 kg

Understanding Weight Measurements

Weight (or more precisely, mass) is measured differently around the world. While scientists use kilograms everywhere, everyday usage varies significantly by country.

Metric System (most of the world):

Kilograms (kg) and grams (g)

Imperial System (US, UK for some uses):

Pounds (lb) and ounces (oz)
Stones (UK, mainly for body weight)

Key Conversion Factors

1 \text{ kg} = 2.20462 \text{ lb}

Conversion	Value
1 kilogram	2.205 pounds
1 pound	0.4536 kg = 453.6 g
1 ounce	28.35 grams
1 stone	14 pounds = 6.35 kg

Quick mental math: To convert kg to lbs, double the number and add 10%. For example: 70 kg → 140 + 14 = 154 lbs (actual: 154.3 lbs)

Common Uses by Category

Body Weight:

US: Pounds (150 lbs)
UK: Stones and pounds (10 st 10 lb) or kg
Most countries: Kilograms (68 kg)

Cooking:

US recipes: Ounces and pounds
Metric recipes: Grams and kilograms
1 cup of flour ≈ 125g, 1 cup of sugar ≈ 200g

Shipping:

International: Kilograms
US domestic: Pounds
Air freight often uses both

Understanding Stones (UK)

The stone is a traditional British unit still used for body weight:

1 stone = 14 pounds = 6.35 kg

A person weighing 154 lbs would be described as "11 stone" in the UK.

Stones	Pounds	Kilograms
8 st	112 lb	50.8 kg
10 st	140 lb	63.5 kg
12 st	168 lb	76.2 kg
14 st	196 lb	88.9 kg

Precision in Weight Measurement

Kitchen scale: Usually accurate to 1g or 0.1oz
Bathroom scale: Usually accurate to 0.1kg or 0.2lb
Postal scale: Often accurate to 0.01g

For cooking, small errors in weight measurement rarely matter. For baking, precision is more important - a kitchen scale that measures grams is ideal.

Practical Tips

Luggage limits: Airlines usually specify limits in kg (23 kg = ~50 lb is common)
Produce shopping: Learn to estimate weights - a medium apple is about 200g
Fitness tracking: Pick one system and stick with it for consistency
Recipe conversion: When converting recipes, round to practical amounts