## Conversion formula

The conversion factor from ounces to pounds is 0.0625, which means that 1 ounce is equal to 0.0625 pounds:

1 oz = 0.0625 lb

To convert 40 ounces into pounds we have to multiply 40 by the conversion factor in order to get the mass amount from ounces to pounds. We can also form a simple proportion to calculate the result:

1 oz → 0.0625 lb

40 oz → M(lb)

Solve the above proportion to obtain the mass M in pounds:

M(lb) = 40 oz × 0.0625 lb

M(lb) = 2.5 lb

The final result is:

40 oz → 2.5 lb

We conclude that 40 ounces is equivalent to 2.5 pounds:

40 ounces = 2.5 pounds

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 pound is equal to 0.4 × 40 ounces.

Another way is saying that 40 ounces is equal to 1 ÷ 0.4 pounds.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that forty ounces is approximately two point five pounds:

40 oz ≅ 2.5 lb

An alternative is also that one pound is approximately zero point four times forty ounces.

## Conversion table

### ounces to pounds chart

For quick reference purposes, below is the conversion table you can use to convert from ounces to pounds

ounces (oz) pounds (lb)
41 ounces 2.563 pounds
42 ounces 2.625 pounds
43 ounces 2.688 pounds
44 ounces 2.75 pounds
45 ounces 2.813 pounds
46 ounces 2.875 pounds
47 ounces 2.938 pounds
48 ounces 3 pounds
49 ounces 3.063 pounds
50 ounces 3.125 pounds