kg to lbs and Back: Quick Weight Conversion Guide
Gym equipment, recipes, luggage limits, fitness apps — kilograms and pounds collide all the time. Here's how to convert instantly.
The exact conversion
1 kg = 2.20462 lbs. 1 lb = 0.453592 kg. The weight converter does kilograms, pounds, grams, ounces and tonnes instantly.
The mental shortcut
kg to lbs: double it and add 10%. 70 kg → 140 + 14 = 154 lbs (exact is 154.3). lbs to kg: halve it and subtract a bit — 150 lbs → ~68 kg.
Where it matters
Luggage: a 23 kg airline limit is about 50 lbs. Fitness: a 45 lb plate is ~20 kg. Recipes: 1 lb of flour is ~454 g. Body weight: tracking across apps that use different units.
Don't confuse mass and force
For everyday use, kg and lbs both measure weight fine. Physics problems distinguish mass (kg) from force (newtons) — but for the gym and the kitchen, the simple factor above is all you need.
More units
Convert length, volume and temperature with the same free tools.