Pounds to Kilograms Converter

About Weight Conversion

Converting pounds to kilograms? This is probably the weight conversion you'll use most often. Pounds are everywhere in the US—body weight, package weights, grocery items—but the rest of the world uses kilograms. When you need to understand weight in a global context, you need to convert.

A pound equals exactly 0.453592 kilograms, though most people just use 0.454 or divide by 2.2 for quick estimates. Two point two pounds equals one kilogram. That's the easy way to remember it. For precise calculations though, you need the exact conversion, and that's where this tool saves time.

Kilograms are the standard unit of mass in the metric system and used pretty much everywhere except the US. One kilogram equals 1,000 grams. It's part of that clean decimal system where everything makes sense. In most countries, people talk about their weight in kilograms, packages are weighed in kilograms, and medical records use kilograms.

Fitness and health tracking is probably where most people encounter this. If you're trying to lose weight, your scale might show pounds, but fitness apps or medical charts might use kilograms. Someone who weighs 150 pounds is about 68 kilograms. A 20-pound weight loss goal is roughly 9 kilograms. Understanding both helps when you're tracking progress or comparing your weight to international standards.

Medical settings often use kilograms, even in the US. Hospital scales might show both, but medical records, medication dosages, and BMI calculations frequently use kilograms. If you weigh 180 pounds, that's about 81.6 kilograms. Your doctor might mention your weight in kilograms, so knowing the conversion helps you understand what they're saying.

International travel and moving abroad bring this up constantly. If you move to a country that uses metric, suddenly your weight is measured in kilograms. That person who was 200 pounds becomes 90.7 kilograms. It's the same weight, but the number feels completely different. Being able to convert helps you understand your weight in the new system.

Shipping and packages are another common area. International shipping often lists weight limits in kilograms. A package weighing 10 pounds is about 4.5 kilograms. If the shipping limit is 20 kg, that's roughly 44 pounds. Understanding both units helps when you're calculating shipping costs or figuring out if your package meets weight requirements.

Sports and athletics use weight classes in different units depending on the sport and location. Boxing and MMA have weight classes in pounds in the US but kilograms internationally. A welterweight might be 147 pounds (about 66.7 kg) in one system and 67 kg in another. Understanding the conversion helps when you're following international competitions or comparing weight classes.

Grocery shopping gets interesting too. Produce is often sold by weight, and different countries use different units. That 5-pound bag of apples might be listed as 2.27 kilograms in an international market. Or meat might be priced per pound in the US but per kilogram elsewhere. Understanding both helps when you're shopping or comparing prices.

Online shopping across borders requires this constantly. Products from different countries list weights in different units. A piece of equipment might weigh 25 pounds, but the international listing shows 11.3 kilograms. They're the same weight, but if you're not used to kilograms, one number might sound heavier or lighter than the other.

Weightlifting and strength training often mix units too. Equipment might be marked in pounds (like standard barbells), but international competitions use kilograms. A 225-pound bench press is about 102 kilograms. Understanding both helps when you're following training programs from different sources or comparing your lifts internationally.

Even everyday conversations about weight involve this. Someone might say they weigh 140 pounds, but if you're from a metric country, that doesn't mean much. Converting to 63.5 kilograms helps you understand. Or you're telling someone about your weight loss—10 pounds sounds like a lot, but 4.5 kilograms might not sound as impressive (though it's the same amount).

This converter makes it simple. Type in pounds, get kilograms instantly. No math, no dividing by 2.2 in your head. It works offline so you can use it anywhere—at the gym, at the doctor's office, or while shopping. Free, straightforward, and does exactly what you need—converts pounds to kilograms without any hassle.

Features

• Instant conversion from pounds to kilograms
• Real-time calculations
• Common weight reference table
• High precision results
• Mobile-friendly interface
• No registration required

How to Use

1. Enter weight in pounds
2. Get instant conversion to kilograms
3. View common weight references
4. Copy results as needed

Understanding Weight Units

Pound (lb)

• Imperial/US unit
• 16 ounces
• Common in US/UK
• Used in fitness

Kilogram (kg)

• Metric system unit
• Base SI unit
• Used worldwide
• Scientific standard

Common Conversions

Personal Weight

• 100 lbs = 45.36 kg
• 150 lbs = 68.04 kg
• 180 lbs = 81.65 kg
• 200 lbs = 90.72 kg

Fitness Goals

• 1 lb = 0.45 kg
• 2.2 lbs = 1 kg
• 5 lbs = 2.27 kg
• 10 lbs = 4.54 kg

Applications

Fitness

• Body weight tracking
• Weight loss goals
• Strength training
• Sports categories

Health

• Medical records
• BMI calculations
• Medication dosage
• Growth monitoring

General Use

• Shipping weights
• Recipe conversion
• Product weights
• International trade

Why Use Our Converter

• Instant results
• High accuracy
• Clear interface
• Works offline
• Free to use
• No ads or popups