Best Deal Comparator

Compare two packs by their price for the same unit quantity. Enter your own values below to see better unit-price deal and check the method behind it.

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Change the example values to match your situation.

Your result

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Fill in your inputs and select Calculate.
Your result and breakdown will appear here.

How this calculator works

Compare each pack price divided by its quantity. Use the same quantity unit for both options.

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What is Best Deal Comparator?

Best Deal Comparator helps you compare two packs by their price for the same unit quantity.

The main result is better unit-price deal, with a breakdown of option A unit price and option B unit price. The formula, example and assumptions below explain how to interpret it.

How to use Best Deal Comparator

Use the example to get familiar with the form, then enter your own figures. Any rates in the example are illustrative. Check the field labels and units before calculating.

  1. Gather option A price (₹), option A quantity (same unit), option B price (₹) and option B quantity (same unit). Use values from the same situation or reporting period.
  2. Replace the example option A price with your own value, then complete the other fields. Check the displayed units.
  3. Select Calculate and read better unit-price deal with its result breakdown. Change one input and calculate again to compare a second scenario. Reset restores the original example.
  • Enter option A price in ₹, at least 0. Decimals are accepted.
  • Enter option A quantity in same unit, at least 0.001. Decimals are accepted.
  • Enter option B price in ₹, at least 0. Decimals are accepted.
  • Enter option B quantity in same unit, at least 0.001. Decimals are accepted.

Best Deal Comparator: a worked example

With the inputs below, the result is Option B (better unit-price deal). Follow the example, then replace these illustrative values with your own.

Example inputs and output
Input or outputExample value
Option A price (₹)₹120
Option A quantity (same unit)500 same unit
Option B price (₹)₹200
Option B quantity (same unit)1,000 same unit
Better unit-price dealOption B
Option A unit price₹0.24
Option B unit price₹0.2

Understanding the Best Deal Comparator result

Read better unit-price deal alongside option A unit price and option B unit price. These describe different parts of the same calculation.

Displayed results use a readable number of decimal places. When checking a result by hand, keep extra precision until the last step. To compare scenarios, change one input at a time and keep the others fixed.

  • Example Option A unit price: ₹0.24
  • Example Option B unit price: ₹0.2

Best Deal Comparator: assumptions and common mistakes

A useful estimate starts with the right inputs. Check the following assumptions and limits before applying the result to your situation.

  • Include unavoidable fees when comparing prices. A percentage saving alone may hide a smaller pack or a shorter validity period.

For wider guidance, visit Department of Consumer Affairs. The formula and scope of this specific tool are stated on this page.

Best Deal Comparator FAQs

What does Best Deal Comparator calculate?

Best Deal Comparator helps you compare two packs by their price for the same unit quantity. Its main output is better unit-price deal.

What inputs do I need for Best Deal Comparator?

You need option A price (₹), option A quantity (same unit), option B price (₹) and option B quantity (same unit). Use the field labels and units to match your figures to the formula.

Which formula does Best Deal Comparator use?

Compare each pack price divided by its quantity. Use the same quantity unit for both options.

What is a worked example for Best Deal Comparator?

Example inputs: Option A price: ₹120; Option A quantity: 500 same unit; Option B price: ₹200; Option B quantity: 1,000 same unit. The result is Option B (better unit-price deal).

How should I enter option A price?

Enter option A price in ₹, at least 0. Decimals are accepted.

How do I choose option A quantity?

Enter option A quantity in same unit, at least 0.001. Decimals are accepted. The example uses 500 same unit; replace it if your circumstances differ.

How should I read better unit-price deal?

Read better unit-price deal alongside option A unit price and option B unit price. These describe different parts of the same calculation.

Why might my Best Deal Comparator result differ from my records?

Include unavoidable fees when comparing prices. A percentage saving alone may hide a smaller pack or a shorter validity period. Differences in entered values, units or rounding can also change the comparison.

Can I compare two scenarios in Best Deal Comparator?

Yes. Note your first better unit-price deal, change option A price or another input, and select Calculate again. Editing a field clears the old result so it is not mistaken for a new calculation.

Is Best Deal Comparator free, and where are my inputs calculated?

This calculator is free to use without signing in. Its formula runs in your browser; calculator inputs are not sent to a calculation API. The inputs reset to the example values when you reset the form or start a fresh page.