Pounds to kilograms

kilograms = pounds × 0.45359237

How to convert pounds to kilograms

One pound is 0.45359237 kilograms, so multiply the number of pounds by 0.45359237. For example, 20 pounds is 20 × 0.45359237 = 9.071847 kilograms. To go back, divide by the same number, or multiply by 2.204623.

Quick estimate

Multiplying by about 0.5 gets within 10.2% of the exact answer, which is enough to check that a result makes sense.

Where it comes up

Mass conversions come up in cooking and baking, shipping and luggage limits, body weight, medicine doses and buying food by weight.

pounds	kilograms
1 lb	0.45359237 kg
2 lb	0.90718474 kg
3 lb	1.360777 kg
4 lb	1.814369 kg
5 lb	2.267962 kg
6 lb	2.721554 kg
7 lb	3.175147 kg
8 lb	3.628739 kg
9 lb	4.082331 kg
10 lb	4.535924 kg
11 lb	4.989516 kg
12 lb	5.443108 kg
13 lb	5.896701 kg
14 lb	6.350293 kg
15 lb	6.803886 kg
16 lb	7.257478 kg
17 lb	7.71107 kg
18 lb	8.164663 kg
19 lb	8.618255 kg
20 lb	9.071847 kg
25 lb	11.339809 kg
30 lb	13.607771 kg
40 lb	18.143695 kg
50 lb	22.679619 kg
60 lb	27.215542 kg
70 lb	31.751466 kg
75 lb	34.019428 kg
80 lb	36.28739 kg
90 lb	40.823313 kg
100 lb	45.359237 kg
120 lb	54.431084 kg
150 lb	68.038855 kg
200 lb	90.718474 kg
250 lb	113.398093 kg
300 lb	136.077711 kg
400 lb	181.436948 kg
500 lb	226.796185 kg
750 lb	340.194277 kg
1,000 lb	453.59237 kg
1,500 lb	680.388555 kg
2,000 lb	907.18474 kg
5,000 lb	2,267.96 kg
10,000 lb	4,535.92 kg

Questions

How many kilograms are in a pound?

0.45359237 kilograms.

How do I convert pounds to kilograms in a spreadsheet?

Put the value in A1 and type =A1*0.45359237, then fill the formula down the column.

Are the values in the table exact?

They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.