Money

Unit Price Comparison

Compare package prices by price, quantity, and count to find the cheaper unit price.

Updated: May 15, 2026

Input

Compare two packages by unit price.

If quantity or count is 0, no comparison is made. Total quantity is quantity x count.

Result

Item B

Cheaper

1 yen/g

A unit price

0.9 yen/g

B unit price

Difference: 0.1 yen/g / 10%

Use this as a guide and adjust for your real conditions.

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How to use

  1. Enter Price, Quantity, Count, Unit.
  2. Check the estimate in the result area.
  3. Share a reproducible URL if needed.

How to read the result

  • Read Unit price, Cheaper item as quick decision-making estimates.
  • Do not treat the result as a fixed answer; adjust assumptions to see the range when needed.

Useful tips

  • Useful when you want to compare 600 g and 1 kg packages; adjust inputs to compare scenarios.
  • Useful when you want to check whether bulk buying is cheaper; adjust inputs to compare scenarios.
  • Change one input at a time to see how payment, shortfall, or cost moves.
  • Use values close to the real quote, bill, or checkout screen.

Calculation

The tool calculates a rough estimate from the values you enter. Pay, tax, and insurance outputs are only estimates.

Notes

  • Use results as a guide.
  • This is not tax, labor, or financial advice.
  • Actual deductions and conditions can differ.

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FAQ

Are inputs saved?

Inputs are calculated in your browser and are not sent to a server. When you use sharing, the reproducible URL includes the current conditions.

Are results exact?

Use results as everyday estimates. For exact decisions, confirm with official or specialized sources.

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