20 Pounds to KG
20 pounds is 9.07 kilograms (9.0718 kg unrounded). To convert pounds to kilograms by hand, multiply by 0.453592. I use the full six-decimal factor for anything I am going to quote, and the rough 0.45 only for mental arithmetic.
In traditional UK units, 20 pounds is 1 stone 6 pounds, or 1.43 stone in decimal. One stone is 14 pounds, so 20 minus 14 leaves the 6-pound remainder.
For all pound-to-kilogram conversions, see our full kg to pounds & pounds to kg converter.
Also: 1 stone 6 pounds · 1.43 stone · Convert 20 lbs to stone →
Result
Height & Health Context
20 pounds is 9.07 kg and 1 stone 6 pounds. As a body weight this figure only makes sense with full context such as age and height, and a conversion page cannot judge suitability for a person or an animal. For luggage, parcels and gym kit, the number that matters is the limit or rating from the airline, courier or manufacturer. I always check the stated allowance first and convert second.
- 5ft 0in (152 cm): BMI works out at 3.9, which the standard bands class as Underweight. Those bands were built for adult body weights, so they read oddly down at 9 kg.
- 5ft 6in (168 cm): BMI is 3.2 (Underweight). Again, this only shows the bands were never designed for weights this low.
- 6ft 2in (188 cm): BMI is 2.6 (Underweight). Treat these rows as maths demonstrations, not health readings.
Nine kilos is a weight most of us have lifted: about nine one-litre bottles of water, a well-packed cabin bag, or two 10 lb hand weights with a bit to spare. I use these comparisons because abstract numbers slip away, but anyone who has carried a full shopping bag knows what 9 kg feels like in the arms. For the exact figure, though, trust the label or the scale, not my water-bottle maths: 20 lb is 9.07 kg.
BMI by Height for 20 Pounds
| Height | Weight (kg) | BMI | BMI Screening Context |
|---|---|---|---|
| 5ft 0in (152cm) | 9.07 kg | 3.9 | Underweight |
| 5ft 2in (157cm) | 9.07 kg | 3.7 | Underweight |
| 5ft 4in (163cm) | 9.07 kg | 3.4 | Underweight |
| 5ft 6in (168cm) (UK avg) | 9.07 kg | 3.2 | Underweight |
| 5ft 8in (173cm) | 9.07 kg | 3.0 | Underweight |
| 5ft 10in (178cm) | 9.07 kg | 2.9 | Underweight |
| 6ft 0in (183cm) | 9.07 kg | 2.7 | Underweight |
| 6ft 2in (188cm) | 9.07 kg | 2.6 | Underweight |
BMI varies significantly by height. Check your exact BMI →
Weights Close to 20 Pounds
| Pounds (lbs) | Kilograms (kg) | Stone & Pounds | Decimal Stone |
|---|---|---|---|
| 14 | 6.35 kg | 1 st 0 lb | 1.00 st |
| 16 | 7.26 kg | 1 st 2 lb | 1.14 st |
| 18 | 8.16 kg | 1 st 4 lb | 1.29 st |
| 20 (this page) | 9.07 kg | 1 st 6 lb | 1.43 st |
| 22 | 9.98 kg | 1 st 8 lb | 1.57 st |
| 24 | 10.89 kg | 1 st 10 lb | 1.71 st |
| 26 | 11.79 kg | 1 st 12 lb | 1.86 st |
| 28 | 12.70 kg | 2 st 0 lb | 2.00 st |
Frequently Asked Questions
What is 20 pounds in kg?
20 pounds is 9.07 kg. Multiply 20 by 0.453592 to get 9.072 kg, which rounds to 9.07 kg.
What is 20 lbs in stone?
20 pounds is 1 stone 6 pounds. In decimal stone that is 1.43 stone.
Fourteen pounds make the stone, and 6 pounds are left over.
What is 20 lbs in kg and stone?
20 pounds is 9.07 kg and 1 stone 6 pounds. In decimal stone that is 1.43 stone.
How do I convert 20 lbs to kg?
Multiply 20 by 0.453592. The result is 9.072 kg, which rounds to 9.07 kg.
As a rough estimate, 20 lbs is a touch over 9 kg, close enough for everyday use.
Is 20 pounds 9 kg?
Nearly. 20 pounds is 9.07 kg, just 70 grams above 9 kg.
For luggage, shopping and gym kit the two are interchangeable in practice, but 9.07 kg is the precise figure for anything official.