Unit price comparison calculator

How to use this tool

1. Enter your values or choose a local file. Replace the example data with your own.
2. Review options, units and assumptions, then run the tool.
3. Check the result before copying or downloading it. Keep an original copy of important files.

Method & assumptions

Compare two package sizes to find which one is cheaper per unit, and by how much.

Worked example

Price A: 6.99
Quantity A: 500
Price B: 11.49
Quantity B: 900

→ Unit price A: 0.014
→ Unit price B: 0.0128
→ Better value: B
→ Saving per unit: 8.68 %

Limits & important notes

Basic release. Review the result before relying on it. File limits, supported cases and processing requirements are shown above.

Content updated: 2026-10-10