Per-Ounce Price Compare
Compare groceries by their per-ounce price.
About Per-Ounce Price Compare
Converting each item to a per-ounce and per-pound price normalizes different package weights for a like-for-like comparison. Weight-based unit pricing is the standard way to compare groceries, since package sizes and unit labels vary widely.
Formula
Per-Ounce Price Compare
Per-ounce = price / weight in ounces; per pound = per ounce x 16
- per-ounce
- The cost normalized to a single ounce
Worked example
With the default values below, Per-Ounce Price Compare returns Per-Ounce Price 1 of $0.1247. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Price 1
- 3.99
- Weight 1 (oz)minimum 0
- 32
- Price 2
- 2.79
- Weight 2 (oz)minimum 0
- 18
Results
- Per-Ounce Price 1
- $0.1247
- Per-Ounce Price 2
- $0.1550
- Per-Pound Price 1
- $2.00
- Per-Pound Price 2
- $2.48
Step by step
- 1Values used
- 2Per-Ounce Price Compare
- 3Per-Ounce Price 1= 0.1247
- 4Per-Ounce Price 2= 0.1550
- 5Per-Pound Price 1= 2.00
- 6Per-Pound Price 2= 2.48
Assumptions and limits
- The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to 4 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How is Per-Ounce Price Compare calculated?
Per-ounce = price / weight in ounces; per pound = per ounce x 16 Converting each item to a per-ounce and per-pound price normalizes different package weights for a like-for-like comparison.
Why does Per-Ounce Price Compare matter?
Weight-based unit pricing is the standard way to compare groceries, since package sizes and unit labels vary widely.
What values do I need to enter?
This calculator takes 4 inputs: Price 1, Weight 1 (oz), Price 2, Weight 2 (oz). The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.