155 lbs to kg

155 pounds equals 70.31 kilograms (70 kg 306.8 g), which is 11 st 1 lb on a British scale.

For 7 lb 8 oz, enter 7 and 8.
Conversion factor
1 lb = 0.45359237 kg
Grams
70,306.8 g
Stone and pounds
11 st 1 lb
155 lb =70.3068 kg70.3068 kilograms

Show the work

  1. kg = lb × 0.45359237
  2. 155 × 0.45359237 = 70.3068 kg
Pound to kilogram conversion table
lbkg
10.4536
20.9072
31.3608
41.8144
52.268
62.7216
73.1751
83.6287
94.0823
104.5359
156.8039
209.0718
2511.3398
3013.6078
3515.8757
4018.1437
4520.4117
5022.6796
6027.2155
7031.7515
8036.2874
9040.8233
10045.3592
11049.8952
12054.4311
13058.967
14063.5029
15068.0389
16072.5748
17077.1107
18081.6466
19086.1826
20090.7185
22099.7903
250113.3981
300136.0777
Pounds and ounces to kilograms (birth weights)
lb & ozKilogramsGrams
5 lb 0 oz2.2682,268
5 lb 8 oz2.4952,495
6 lb 0 oz2.7222,722
6 lb 8 oz2.9482,948
7 lb 0 oz3.1753,175
7 lb 8 oz3.4023,402
8 lb 0 oz3.6293,629
8 lb 8 oz3.8563,856
9 lb 0 oz4.0824,082
9 lb 8 oz4.3094,309
10 lb 0 oz4.5364,536

155 lb at a glance

Kilograms
70.3068 kg
Kilograms & grams
70 kg 306.8 g
Stone & pounds
11 st 1 lb
Nearest ½ kg
70.5 kg
Grams
70,306.8 g
Weight force on Earth
689.5 N

How to convert 155 lb to kilograms

One pound is defined as exactly 0.45359237 kg, so a single multiplication gives an exact result:

155 lb × 0.45359237 = 70.306817 kg

Halve it, then take off 10%

Half of 155 is 77.5; a tenth of that is 7.75; 77.5 − 7.75 = 69.75 kg. The shortcut runs 0.56 kg low (0.8%). Dividing by 2.2 instead gives 70.45 kg, just 0.15 kg high.

155 lb as a body weight

In CDC survey data, 155 lb is about the 16th percentile for US men and about the 44th percentile for US women aged 20 and over (median 192.6 lb and 161.2 lb). BMI at common heights:

HeightBMICDC category
5′0″ (152 cm)30.3Obesity
5′4″ (163 cm)26.6Overweight
5′8″ (173 cm)23.6Healthy weight
6′0″ (183 cm)21.0Healthy weight
6′4″ (193 cm)18.9Healthy weight

155 lb on a barbell

With a 45 lb bar, load 55 lb per side: 45 lb + 10 lb.

On a 20 kg bar with metric plates, the closest load is 70 kg (154.3 lb).

Putting 155 lb in context

  • Combat sports. In pro boxing, 155 lb fits the middleweight division (up to 160 lb), just 1 lb over the super welterweight limit. Under the unified MMA rules, 155 lb fits the lightweight division (up to 155 lb), right at the limit.
  • Luggage. 155 lb is 3.1 times the usual 50 lb checked-bag limit on US airlines.

Pounds near 155 lb

PoundsKilogramsStone & pounds
130 lb58.979 st 4 lb
135 lb61.239 st 9 lb
140 lb63.5010 st 0 lb
145 lb65.7710 st 5 lb
150 lb68.0410 st 10 lb
155 lb70.3111 st 1 lb
160 lb72.5711 st 6 lb
165 lb74.8411 st 11 lb
170 lb77.1112 st 2 lb
175 lb79.3812 st 7 lb
180 lb81.6512 st 12 lb

Going the other way: 70 kg to lbs is 154.32 lb.

Frequently asked questions

How many kg is 155 lbs?

155 lbs is 70.31 kg (70.3068 to four decimals): 155 × 0.45359237.

What is 155 lb in stone?

155 lb is 11 st 1 lb. Divide by 14 for whole stones: 155 ÷ 14 = 11 with 1 lb left over.

What is 155 pounds in kilograms and grams?

155 lb = 70 kg 306.8 g, or 70,307 grams in total.

How do I convert 155 lbs to kg quickly?

Halve it and subtract 10% of the half: 77.5 − 7.75 = 69.75 kg, close to the exact 70.31 kg.

Need a different value? Use the LBS to KG converter, or browse the LBS to KG chart.

Sources: Body-weight percentiles: CDC National Center for Health Statistics, NHANES 2015–2018 — Fryar et al., “Anthropometric Reference Data for Children and Adults: United States, 2015–2018,” Vital and Health Statistics Series 3, No. 46 (2021). BMI categories: CDC.