lbs to kg Converter (Pounds to Kilograms)
Convert pounds to kilograms instantly. 1 lb = 0.45359237 kg, the exact legal definition, so the conversion never drifts. Chart from 1 to 300 lb for body weight, baggage limits and barbell loads.
Referencias del mundo real
Matriz de conversión entre unidades
| Grupo | Unidad | Símbolo | Valor equivalente |
|---|---|---|---|
| Métrico (SI) | Microgramo | µg | 6,8039E10 |
| Métrico (SI) | Miligramo | mg | 6,8039E7 |
| Métrico (SI) | Gramo | g | 68.038,8555 |
| Métrico (SI) | Kilogramo | kg | 68,0389 |
| Métrico (SI) | Tonelada métrica | t | 0,068 |
| Imperial y usual de EE. UU. | Onza | oz | 2400 |
| Imperial y usual de EE. UU. | Libra | lb | 150 |
| Imperial y usual de EE. UU. | Stone | st | 10,7143 |
| Imperial y usual de EE. UU. | Tonelada corta (EE. UU.) | US ton | 0,075 |
| Imperial y usual de EE. UU. | Tonelada larga (Reino Unido) | UK ton | 0,067 |
| Metales preciosos y gemas | Onza troy | oz t | 2187,5 |
| Metales preciosos y gemas | Quilate | ct | 340.194,2775 |
| Metales preciosos y gemas | Grano | gr | 1.050.000 |
Explicación matemática paso a paso
- 1 lb equivale a 0,45359237 kg, así que se multiplica: 150 × 0,45359237 = 68,038856 kg.
- Factor directo: 1 lb = 0,45359237 kg.
Factores de conversión esenciales
Libra: Libra avoirdupois internacional (exactamente 0,45359237 kg)
lb to kg formula
Respuesta directa: 1 lb = 0,45359237 kg, so multiply by 0,45359237: kg = lb × 0,45359237. Going back: lb = kg × 2,2046226.
How to convert libras to kilogramos
The international avoirdupois pound is defined as exactly 0.45359237 kilograms (1959 International Yard and Pound Agreement). Multiplying by that number gives an exact result; rounding only happens when the answer is displayed.
1. lb → kg
Multiply the number of libras by the conversion factor:
Example: 150 lb × 0,45359237 = 68,04 kg.
2. kg → lb
To go back, divide by the same factor, or multiply by its reciprocal, 2,2046226:
Example: 68,04 kg ÷ 0,45359237 = 150 lb.
Mental math: halve it and take off 10%
Halve the pounds, then subtract a tenth of that. The estimate lands within 1% of the exact answer:
150 lb: 150 ÷ 2 = 75, minus 7.5 = 67.5 kg (exact: 68.04 kg).
1 lb in other masa units
| Unit | 1 lb equals | Typical use |
|---|---|---|
| Microgramo | 453.592.370 µg | Vitaminas y oligoelementos |
| Miligramo | 453.592,37 mg | Dosis de medicamentos y suplementos |
| Gramo | 453,59237 g | Cocina, envíos postales y etiquetas nutricionales |
| Kilogramo | 0,45359237 kg | Unidad básica de masa del SI: peso corporal y compras |
| Tonelada métrica | 0,00045359237 t | Vehículos, fletes y carga (1.000 kg) |
| Onza | 16 oz | Onza avoirdupois: 1/16 de libra |
| Stone | 0,071428571 st | Unidad de peso corporal en el Reino Unido e Irlanda (14 lb) |
| Tonelada corta (EE. UU.) | 0,0005 US ton | Tonelada de EE. UU.: 2.000 lb |
| Tonelada larga (Reino Unido) | 0,00044642857 UK ton | Tonelada imperial: 2.240 lb |
| Onza troy | 14,583333 oz t | Precio del oro, la plata y el platino (31,1035 g) |
| Quilate | 2267,9619 ct | Piedras preciosas y diamantes (exactamente 200 mg) |
| Grano | 7000 gr | Munición, flechas y farmacia (1/7000 lb) |
lb to kg chart
| lb | kg |
|---|---|
| 1 | 0,45 |
| 2 | 0,91 |
| 2,2 | 1 |
| 3 | 1,36 |
| 4 | 1,81 |
| 5 | 2,27 |
| 6 | 2,72 |
| 7 | 3,18 |
| 8 | 3,63 |
| 10 | 4,54 |
| 12 | 5,44 |
| 15 | 6,8 |
| 20 | 9,07 |
| 25 | 11,34 |
| 30 | 13,61 |
| 35 | 15,88 |
| 40 | 18,14 |
| 45 | 20,41 |
| 50 | 22,68 |
| 60 | 27,22 |
| 70 | 31,75 |
| 80 | 36,29 |
| 100 | 45,36 |
| 120 | 54,43 |
| 130 | 58,97 |
| 140 | 63,5 |
| 150 | 68,04 |
| 160 | 72,57 |
| 170 | 77,11 |
| 180 | 81,65 |
| 190 | 86,18 |
| 200 | 90,72 |
| 220 | 99,79 |
| 250 | 113,4 |
| 300 | 136,08 |
kg to lb chart
| kg | lb |
|---|---|
| 0,5 | 1,1 |
| 1 | 2,2 |
| 1,5 | 3,31 |
| 2 | 4,41 |
| 2,5 | 5,51 |
| 3 | 6,61 |
| 3,5 | 7,72 |
| 4 | 8,82 |
| 4,5 | 9,92 |
| 5 | 11,02 |
| 6 | 13,23 |
| 7 | 15,43 |
| 8 | 17,64 |
| 9 | 19,84 |
| 10 | 22,05 |
| 15 | 33,07 |
| 20 | 44,09 |
| 25 | 55,12 |
| 30 | 66,14 |
| 40 | 88,18 |
| 50 | 110,23 |
| 55 | 121,25 |
| 60 | 132,28 |
| 65 | 143,3 |
| 70 | 154,32 |
| 75 | 165,35 |
| 80 | 176,37 |
| 85 | 187,39 |
| 90 | 198,42 |
| 95 | 209,44 |
| 100 | 220,46 |
| 110 | 242,51 |
| 120 | 264,55 |
| 150 | 330,69 |
Preguntas frecuentes
What is 150 lb in kg?
150 lb is 68,04 kg (150 × 0,45359237).
What is 200 lb in kg?
200 lb is 90,72 kg (200 × 0,45359237).
How many kilograms are in a pound?
One pound is exactly 0.45359237 kg, or about 0.454 kg (454 grams).
Is lb the same as lbs?
Yes. lb is the official symbol for the pound (from the Latin libra); lbs is a common informal plural. Both mean the same 0.45359237 kg unit.