Convert kg to lbs with pounds and ounces and stones and pounds, or switch to pounds to kilograms.
| kg | lb | lb and oz |
|---|
Exact by definition: 1 lb = 0.45359237 kg, so 1 kg = 2.20462262 lb. 1 lb = 16 oz and 1 stone = 14 lb.
This free kg to lbs converter changes kilograms into pounds for travellers, gym users, parents and online sellers in the UK, US, Europe and beyond. It shows the decimal answer, pounds and ounces, and stones and pounds in one go, using the exact avoirdupois pound of 0.45359237 kg, and a reverse mode converts pounds back to kilograms.
Quick answer: To convert kg to lbs, multiply the kilograms by 2.20462, or divide by 0.45359237 for the exact figure. So 1 kg is 2.2 lb, 23 kg is 50.71 lb and 70 kg is 154.32 lb, which is 154 lb 5.2 oz or 11 stone 0.3 lb. For a quick estimate, double the kilograms and add 10%.
In This Guide
What Is a KG to LBS Conversion?
A kg to lbs conversion turns a metric mass in kilograms into the imperial and US customary pound by multiplying by about 2.20462. The link is exact because the pound has been defined as 0.45359237 kilograms since 1959.
In plain words: pounds = kilograms ÷ 0.45359237, which is the same as kilograms × 2.20462262. To split the answer, the whole number is pounds and the decimal part × 16 is ounces. For stones, divide the pounds by 14: the whole number is stones and the remainder is pounds. Converting kilograms to pounds this way never loses accuracy.
How to Use the KG to LBS Converter
Step 1: Choose the Direction
Keep kg to lbs selected for metric weights, or choose lbs to kg when you start in pounds. The reverse mode has an ounces box, so a baby weight such as 7 lb 8 oz converts in a single step.
Step 2: Enter the Weight
Type the kilograms. Decimals work, so 3.4 kg or 82.5 kg are fine. To convert grams, divide by 1,000 first, so 450 g is 0.45 kg, or about 1 lb.
Step 3: Choose the Decimal Places
Use 0 or 1 decimal place for body weight and luggage, 2 for postage and recipes, and 3 or 4 for lab or trade work where every gram counts.
Step 4: Read the Results
The large figure is the answer in pounds, with the working underneath. The boxes give pounds and ounces, stones and pounds, grams and total ounces, and the table lists nearby weights. If you only need stones, the kg to stone converter focuses on that UK format and explains how stones are used on NHS weight charts.
KG to LBS Conversion Chart
The chart gives common weights converted with the exact factor, rounded to three decimals, with pounds and ounces and stones and pounds alongside.
| Kilograms | Pounds | Pounds and ounces | Stones and pounds |
|---|---|---|---|
| 1 kg | 2.205 | 2 lb 3.3 oz | 0 st 2.2 lb |
| 5 kg | 11.023 | 11 lb 0.4 oz | 0 st 11 lb |
| 10 kg | 22.046 | 22 lb 0.7 oz | 1 st 8 lb |
| 20 kg | 44.092 | 44 lb 1.5 oz | 3 st 2.1 lb |
| 23 kg | 50.706 | 50 lb 11.3 oz | 3 st 8.7 lb |
| 50 kg | 110.231 | 110 lb 3.7 oz | 7 st 12.2 lb |
| 60 kg | 132.277 | 132 lb 4.4 oz | 9 st 6.3 lb |
| 70 kg | 154.324 | 154 lb 5.2 oz | 11 st 0.3 lb |
| 80 kg | 176.370 | 176 lb 5.9 oz | 12 st 8.4 lb |
| 90 kg | 198.416 | 198 lb 6.7 oz | 14 st 2.4 lb |
| 100 kg | 220.462 | 220 lb 7.4 oz | 15 st 10.5 lb |
How Many Pounds Is 1 kg?
One kilogram is 2.20462 pounds, or 2 lb 3.3 oz. Going the other way, one pound is 0.4536 kg, a little under half a kilo, which is why a "pound" of butter in a UK shop is sold as a 454 g or 500 g pack.
Scientists changed how the kilogram is fixed in 2019, and since then the kilogram has been defined by the Planck constant. That change did not alter any everyday conversion: kg to pounds still uses exactly 0.45359237, so a bathroom scale reading in either unit means the same thing.
How Do You Convert kg to Pounds and Ounces?
To convert kg to pounds and ounces, multiply the kilograms by 2.20462, keep the whole number as pounds, then multiply the decimal part by 16 to get ounces. For 3.4 kg, 3.4 × 2.20462 = 7.4957 lb, and 0.4957 × 16 = 7.93 oz, so the answer is 7 lb 7.9 oz.
Worked example: Isla was born weighing 3.4 kg in a hospital in Leeds, and her grandparents in Ohio asked for the weight in pounds. The converter shows 7.50 lb, 7 lb 7.9 oz and 0 st 7.5 lb. Her grandparents know babies in pounds and ounces, so the family sent "7 lb 8 oz" after rounding. Three weeks later the health visitor recorded 3.9 kg, which is 8 lb 9.6 oz, a gain of about 1 lb 1.6 oz.
Luggage is the other common case. A 23 kg checked bag limit is 50.7 lb, which is why US airlines quote 50 lb. If you also need height in imperial for a form, the cm to inches converter works the same way, and the BMI calculator accepts kilograms, pounds or stones directly. Conversion factor checked October 2026.
Key KG and Pound Terms Explained
These terms explain the units behind every kg to lbs conversion, from the exact pound definition to the stones and ounces used in daily life.
- Kilogram
- The SI base unit of mass, written kg and equal to 1,000 grams. Since 2019 it has been defined using the Planck constant, and one kilogram equals 2.20462262 avoirdupois pounds.
- Avoirdupois pound
- The everyday pound used in the UK and US, written lb and fixed in 1959 as exactly 0.45359237 kilograms. It divides into 16 ounces, and 14 pounds make one stone.
- Ounce
- An imperial unit of mass equal to one sixteenth of a pound, about 28.35 grams. Baby weights and food packs in the UK and US are often given in pounds and ounces, such as 7 lb 7.9 oz.
- Stone
- A British and Irish unit of weight equal to 14 pounds or 6.35 kilograms. It is mainly used for body weight, so 70 kg is usually described as 11 stone 0.3 pounds in the UK.
- Mass and weight
- Mass is the amount of matter in an object, measured in kilograms or pounds, while weight is the force gravity puts on it. Everyday scales show mass, so kg to lb conversion is the same on Earth anywhere.
</>Embed this calculator on your website
Add the free KG to LBS Converter to your own site or blog. Copy the code below and paste it into an HTML block. It resizes itself and works on phones.
How we checked this tool: the Tools Veria Editorial Team built this tool by hand, checked it against the official rules or published standards where they apply, and tested it against worked examples. Results are estimates for planning, not personal financial or tax advice. Read our editorial policy and disclaimer, or report an error.
Frequently Asked Questions
Is it lb or lbs?
Both are used. The official symbol is lb for one or many pounds, so 10 lb is correct in technical writing. The plural lbs is common in everyday US and UK use, including gym equipment and shipping labels.
How do I convert lbs to kg?
Multiply the pounds by 0.45359237, or divide by 2.20462. For example, 150 lb × 0.45359237 = 68.04 kg. Switch the tool to lbs to kg and add ounces if you have them.
What is 23 kg in pounds?
23 kg is 50.71 pounds, which is 50 lb 11.3 oz. Many airlines use 23 kg and 50 lb as their standard checked bag limit, but the kilogram figure is slightly higher, so a 50.5 lb bag is still under 23 kg.
How many pounds are in a stone?
There are 14 pounds in one stone, which is 6.35 kg. Stones are still used for body weight in the UK and Ireland, so 70 kg is usually said as 11 stone rather than 154 pounds.
Is a kg twice as heavy as a pound?
Slightly more than twice. One kilogram is 2.2046 pounds, so doubling the kilograms always underestimates the pounds by about 10%. Double the kilos and add a tenth of the result for a close mental answer.
Why is the pound abbreviated lb?
The abbreviation comes from the Latin libra, a Roman unit of weight. The same word gave the £ sign for the pound sterling, which is why both units share an L shaped symbol.