如何计算Price Comparison

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A price comparison calculator finds the best value by computing price per unit across different pack sizes. Larger packs are not always cheaper — always check the unit price.

公式

Unit price = Total price / Quantity | Savings % = ((Original − Discounted) / Original) × 100

分步指南

1Price per unit = Total price / Quantity
2Compare all options on same per-unit basis
3Only bulk buy perishables if you will use them before expiry
4Factor in quality differences if relevant

例题解析

输入

250g for £2.50 vs 750g for £6.75

结果

Per 100g: 250g = £1.00; 750g = £0.90 — 750g saves 10%

常见问题

What is Price Comparison?

A price comparison calculator finds the best value by computing price per unit across different pack sizes. Larger packs are not always cheaper — always check the unit price

How accurate is the Price Comparison calculator?

The calculator uses the standard published formula for price comparison. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Price Comparison calculator use?

This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Price Comparison calculator use?

The core formula is: Price per unit = Total price / Quantity. Each step in the calculation is shown so you can verify the result manually.

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