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Ounces to Pounds Converter

Convert ounces to pounds instantly, with a reference table for shipping weights, groceries and infant weights.

Ounces to LBS Converter

1 oz = 0.0625 lb

Multiply ounces by 0.0625 to get pounds.

The link carries the values you entered, so whoever opens it sees the same result. Nothing is stored on our side — the numbers travel in the link itself.

Ounces to pounds reference table

The conversions people look up most often, rounded to 4 decimal places.

Common ounces to pounds conversions
Ounce (oz)Pound (lb)
1 oz0.0625 lb
4 oz0.25 lb
8 oz0.5 lb
12 oz0.75 lb
16 oz1 lb
20 oz1.25 lb
24 oz1.5 lb
32 oz2 lb
48 oz3 lb
64 oz4 lb
80 oz5 lb
100 oz6.25 lb
128 oz8 lb

The ounces people look up most

1 oz = 0.0625 lb
A sixteenth of a pound. Ounces divide by 16 rather than 10, which is the whole difficulty with imperial weight.
8 oz = 0.5 lb
Half a pound, and the quantity most US deli counters default to.
12 oz = 0.75 lb
Three quarters of a pound. Common for coffee, which quietly shrank from 16 oz without changing price.
16 oz = 1 lb
Exactly one pound, by definition of the avoirdupois ounce.
24 oz = 1.5 lb
A pound and a half - standard US loaf weight, where bread is sold by weight rather than by size.
32 oz = 2 lb
Two pounds. Worth noting fluid ounces are a different unit entirely: 32 fl oz of water weighs about 33 oz.

How the ounces to lbs calculation works

There are 16 ounces in a pound:

pounds = ounces ÷ 16

Sixteen, not ten and not twelve — the avoirdupois system that gave us the pound divided it into sixteen ounces, while the troy system used for precious metals divides its pound into twelve. A troy ounce is also heavier: 31.10 g against the avoirdupois 28.35 g. Gold quoted "per ounce" is per troy ounce, and using the wrong one misprices it by about 10%.

Everything on this page is avoirdupois, which is what food, post and body weight use.

The clean fractions are worth knowing:

  • 4 oz = 0.25 lb (a quarter-pound)
  • 8 oz = 0.5 lb (a half-pound, and a US cup of butter)
  • 12 oz = 0.75 lb
  • 16 oz = 1 lb
  • 24 oz = 1.5 lb

Infant weights are the case where the mixed notation matters most. American birth weights are given as pounds-and-ounces — "7 lb 6 oz" — not as decimal pounds. That is 7 + 6/16 = 7.375 lb, or 3.345 kg. Reading it as 7.6 lb overstates the weight by 100 g, which is a meaningful error at that size.

Shipping rounds up to the next whole pound, so a 17 oz parcel (1.0625 lb) is billed as 2 lb. Trimming an ounce off a package that sits just over a boundary can halve the postage.

To convert back, multiply pounds by 16.

Frequently asked questions

How do I compare a US shelf price per pound with a pack sold in ounces?

Divide the pack price by the number of ounces and multiply by 16. A 12 oz bag at $4.50 works out at $6.00 a pound, not the $4.50 the sticker price suggests. American unit pricing is standardised to be comparable and is usually given per pound, while the pack carries its own net weight in ounces - so the two figures on the shelf are rarely the same basis.

What does an ounce mean when leather is sold by it?

A thickness, not a weight. Leather is graded in ounces where one ounce means one sixty-fourth of an inch, about 0.4 mm, so a 4 oz hide is 1/16 in or 1.6 mm thick. The convention comes from the weight of a square foot of hide at that thickness, but the number is used as a thickness now and tells you nothing about what a given piece weighs.

How many ounces are in a stone or a hundredweight?

A stone is 14 lb, or 224 oz. Above that the imperial ladder forks: a British hundredweight is 112 lb, which is 1,792 oz, and an American one is 100 lb, or 1,600 oz. Twenty hundredweight make a ton in both systems, so the entire difference between the long ton and the short ton comes from that single rung.

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