Two cereal box sizes
Input
A: $3.49 for 12 oz · B: $4.99 for 20 ozOutput
A: $0.291/oz · B: $0.250/oz — B is cheaper per ounce3.49÷12 ≈ 0.291; 4.99÷20 ≈ 0.250.
Option A: $0.2908 per unit
Option B: $0.2495 per unit — best value
Enter price and quantity for two or more options to see cost per unit and which package is cheaper per ounce, count, or item.
Runs in your browser · No data stored · No signup
A unit price calculator divides total price by quantity to show cost per unit and highlights which package offers the lower per-unit price.
Free unit price calculator: divide price by quantity to compare cost per unit across package sizes. Private, instant, no signup. Runs locally in your browser when supported—no upload required for normal use. Designed for quick everyday tasks with clear, copy-friendly output.
Price per unit = price ÷ quantity; lowest value wins when units match.
Formula
Unit price = price ÷ quantityLoad Unit Price Calculator on EverydayTools—no account required.
Type, paste, or upload depending on what the tool accepts.
Results update in your browser for typical use cases.
Copy the output or use download/export when available.
Input
A: $3.49 for 12 oz · B: $4.99 for 20 ozOutput
A: $0.291/oz · B: $0.250/oz — B is cheaper per ounce3.49÷12 ≈ 0.291; 4.99÷20 ≈ 0.250.
Common real-world scenarios where this tool saves time.
Compare cost per ounce or per count between two package sizes.
See whether a multi-pack actually costs less per item than singles.
Normalize price per sheet, per liter, or per piece for office or household supplies.
How this EverydayTools page compares for typical use.
| Aspect | EverydayTools | Typical alternative |
|---|---|---|
| Cost | Free | Paid apps or trials |
| Privacy | Browser-local when supported | Often requires cloud upload |
| Signup | Not required | Often required |
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Unit price = total price ÷ quantity. Example: $5.99 for 20 units → $0.2995 per unit.
The option with the lower unit price costs less per ounce, count, or item — assuming the same product and unit.
Yes. Enter both quantities in the same unit (e.g. both in ounces) so the comparison is valid.
Enter price and quantity for two or more options to see cost per unit and which package is cheaper per ounce, count, or item.
Unit Price Calculator (/unit-price-calculator) runs in your browser when supported—inputs are not uploaded to EverydayTools servers.
Unit Price Calculator keeps typical inputs on your device—nothing is uploaded to EverydayTools servers for core calculations.
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Reviewed by EverydayTools Editorial Team on 2026-05-18.