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Weight Converter

Pounds to Kilograms Converter

Pounds to Kilograms with a fast local calculator, clear formula, and practical examples.

Quick answer

1 lb = 0.4536 kg

Convert Pounds to Kilograms using the formula shown below. This weight converter is useful for recipes, shipping, nutrition labels, workouts, and product weights.

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Pounds to Kilograms Converter

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Unit relationship: 1 lb = 0.4536 kg and 1 kg = 2.2046 lb.

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Equivalent Weight Values

Compare the same mass across metric and imperial units.

UnitValue
Metric Tonnes(t)0.000454
US Short Tons(short ton)0.0005
Kilograms(kg)0.453592
Stone(stone)0.071429
Pounds(lb)1
Ounces(oz)16
Carats(ct)2,267.96
Grains(gr)7,000
Grams(g)453.59237
Milligrams(mg)453,592.37
Micrograms(mcg)453,592,370

Formula

kilograms = pounds x 0.45359237

This calculator uses the standard conversion formula and rounds the final answer to 4 decimal places.

Formula explorer

How the lb to kg formula works

multiplication formula

1. Formula

kilograms = pounds x 0.45359237

2. Worked example

1 lb = 0.4536 kg

Start with 1 pounds, apply the formula, then round the result.

3. Reverse check

KG to LB Converter

Use the reverse converter to check the answer or go from kilograms back to pounds.

This conversion multiplies the pounds value by the factor shown in the formula to get kilograms.

When to Use This Converter

Use this converter when you need a quick answer for everyday measurements, unit comparisons, worksheets, recipes, product listings, travel planning, or project notes.

For best results, enter the numeric value only. The conversion runs locally in your browser.

Quick guide

Common lb to kg questions

Pounds are common in US weight labels, gyms, shipping, and body weight, while kilograms are standard in most metric contexts.

  • For a quick estimate, divide pounds by about 2.2.
  • For exact results, this page uses 1 pound = 0.45359237 kilograms.
  • Use this for fitness tracking, baggage limits, package weights, and medical or school measurements.

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About these units

Common Tools Used to Measure Weight

Use a scale that matches the object size and the level of accuracy you need.

Digital kitchen scale
Postal or shipping scale
Bathroom scale
Industrial platform scale

For small weights, use grams or ounces on a kitchen scale. For parcels, check the shipping carrier's rounding rules.

Example Conversions

PoundsKilograms
1 lb0.4536 kg
5 lb2.268 kg
10 lb4.5359 kg
25 lb11.3398 kg
50 lb22.6796 kg
200 lb90.7185 kg

Printable conversion table

Pounds to Kilograms chart, 1 to 100

Scan common values, print the table, copy it, or download a CSV for worksheets, notes, spreadsheets, and quick reference.

Pounds (lb)Kilograms (kg)
1 lb0.4536 kg
2 lb0.9072 kg
3 lb1.3608 kg
4 lb1.8144 kg
5 lb2.268 kg
6 lb2.7216 kg
7 lb3.1751 kg
8 lb3.6287 kg
9 lb4.0823 kg
10 lb4.5359 kg
11 lb4.9895 kg
12 lb5.4431 kg
13 lb5.8967 kg
14 lb6.3503 kg
15 lb6.8039 kg
16 lb7.2575 kg
17 lb7.7111 kg
18 lb8.1647 kg
19 lb8.6183 kg
20 lb9.0718 kg
21 lb9.5254 kg
22 lb9.979 kg
23 lb10.4326 kg
24 lb10.8862 kg
25 lb11.3398 kg
26 lb11.7934 kg
27 lb12.247 kg
28 lb12.7006 kg
29 lb13.1542 kg
30 lb13.6078 kg
31 lb14.0614 kg
32 lb14.515 kg
33 lb14.9685 kg
34 lb15.4221 kg
35 lb15.8757 kg
36 lb16.3293 kg
37 lb16.7829 kg
38 lb17.2365 kg
39 lb17.6901 kg
40 lb18.1437 kg
41 lb18.5973 kg
42 lb19.0509 kg
43 lb19.5045 kg
44 lb19.9581 kg
45 lb20.4117 kg
46 lb20.8652 kg
47 lb21.3188 kg
48 lb21.7724 kg
49 lb22.226 kg
50 lb22.6796 kg
51 lb23.1332 kg
52 lb23.5868 kg
53 lb24.0404 kg
54 lb24.494 kg
55 lb24.9476 kg
56 lb25.4012 kg
57 lb25.8548 kg
58 lb26.3084 kg
59 lb26.7619 kg
60 lb27.2155 kg
61 lb27.6691 kg
62 lb28.1227 kg
63 lb28.5763 kg
64 lb29.0299 kg
65 lb29.4835 kg
66 lb29.9371 kg
67 lb30.3907 kg
68 lb30.8443 kg
69 lb31.2979 kg
70 lb31.7515 kg
71 lb32.2051 kg
72 lb32.6587 kg
73 lb33.1122 kg
74 lb33.5658 kg
75 lb34.0194 kg
76 lb34.473 kg
77 lb34.9266 kg
78 lb35.3802 kg
79 lb35.8338 kg
80 lb36.2874 kg
81 lb36.741 kg
82 lb37.1946 kg
83 lb37.6482 kg
84 lb38.1018 kg
85 lb38.5554 kg
86 lb39.0089 kg
87 lb39.4625 kg
88 lb39.9161 kg
89 lb40.3697 kg
90 lb40.8233 kg
91 lb41.2769 kg
92 lb41.7305 kg
93 lb42.1841 kg
94 lb42.6377 kg
95 lb43.0913 kg
96 lb43.5449 kg
97 lb43.9985 kg
98 lb44.4521 kg
99 lb44.9056 kg
100 lb45.3592 kg

Frequently Asked Questions

How do I convert pounds to kilograms?

Use the formula kilograms = pounds x 0.45359237. Enter a value in the calculator above to get a rounded result instantly.

Is this converter free?

Yes. The conversion runs locally in your browser, with no account, database, or paid API.

How many decimal places are shown?

Results are rounded to 4 decimal places for a practical balance of accuracy and readability.