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.
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.
Share this tool
How to use
- Enter Price, Quantity, Count, Unit.
- Check the estimate in the result area.
- 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 results exact?
Use results as everyday estimates. For exact decisions, confirm with official or specialized sources.
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