Unit Price Comparison Calculator

Unit Price Comparison is evaluated from Price of Item 1, Quantity of Item 1 and Price of Item 2. The calculation reports Item 1 Price Per Unit, Item 2 Price Per Unit and Savings by Choosing Better Value.

Results

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About the Unit Price Comparison Calculator

Unit Price Comparison is treated here as a quantitative relation between Price of Item 1, Quantity of Item 1, Price of Item 2 and Quantity of Item 2 and Item 1 Price Per Unit, Item 2 Price Per Unit, Savings by Choosing Better Value and Better Value.

The calculator uses a multi formula configuration. Each reported value is read as a direct evaluation of the stored rules with the declared field formats and units.

Formula basis:
Unit Price = Total Price / Quantity

Interpret the outputs in the order shown by the result fields. Optional inputs affect only the outputs that depend on those variables.

Formula & How It Works

The calculation applies the following relations exactly as recorded in the metadata:

Unit Price = Total Price / Quantity

Each output field is produced by substituting the supplied inputs into the relevant relation and then applying the declared rounding or text format.

Worked Examples

Example 1: Laundry detergent: 32-oz for $3.49 vs. 64-oz for $5.99

Inputs

price1: 3.49 qty1: 32 price2: 5.99 qty2: 64
Item 1 Price Per Unit: $0.1091/unit. Item 2 Price Per Unit: $0.0936/unit. Savings by Choosing Better Value: 14.18%. Better Value: Item 2 is better value (lower price per unit)

With Price of Item 1 = 3.49, Quantity of Item 1 = 32, Price of Item 2 = 5.99 and Quantity of Item 2 = 64 as the stated inputs, the result is Item 1 Price Per Unit = $0.1091/unit, Item 2 Price Per Unit = $0.0936/unit and Savings by Choosing Better Value = 14.18%. Each value corresponds to the declared output fields.

Example 2: Cereal: 12-oz box for $4.29 vs. 18-oz family size for $5.49

Inputs

price1: 4.29 qty1: 12 price2: 5.49 qty2: 18
Item 1 Price Per Unit: $0.3575/unit. Item 2 Price Per Unit: $0.305/unit. Savings by Choosing Better Value: 14.69%. Better Value: Item 2 is better value (lower price per unit)

With Price of Item 1 = 4.29, Quantity of Item 1 = 12, Price of Item 2 = 5.49 and Quantity of Item 2 = 18 as the stated inputs, the result is Item 1 Price Per Unit = $0.3575/unit, Item 2 Price Per Unit = $0.305/unit and Savings by Choosing Better Value = 14.69%. Each value corresponds to the declared output fields.

Example 3: Olive oil: 16.9 fl oz for $8.99 vs. 33.8 fl oz for $15.99

Inputs

price1: 8.99 qty1: 16.9 price2: 15.99 qty2: 33.8
Item 1 Price Per Unit: $0.532/unit. Item 2 Price Per Unit: $0.4731/unit. Savings by Choosing Better Value: 11.07%. Better Value: Item 2 is better value (lower price per unit)

With Price of Item 1 = 8.99, Quantity of Item 1 = 16.9, Price of Item 2 = 15.99 and Quantity of Item 2 = 33.8 as the stated inputs, the result is Item 1 Price Per Unit = $0.532/unit, Item 2 Price Per Unit = $0.4731/unit and Savings by Choosing Better Value = 11.07%. Each value corresponds to the declared output fields.

Example 4: Paper towels: 6-pack for $9.99 vs. 12-pack for $17.99 (Costco price)

Inputs

price1: 9.99 qty1: 6 price2: 17.99 qty2: 12
Item 1 Price Per Unit: $1.665/unit. Item 2 Price Per Unit: $1.4992/unit. Savings by Choosing Better Value: 9.96%. Better Value: Item 2 is better value (lower price per unit)

With Price of Item 1 = 9.99, Quantity of Item 1 = 6, Price of Item 2 = 17.99 and Quantity of Item 2 = 12 as the stated inputs, the result is Item 1 Price Per Unit = $1.665/unit, Item 2 Price Per Unit = $1.4992/unit and Savings by Choosing Better Value = 9.96%. Each value corresponds to the declared output fields.

Common Use Cases

  • Compare grocery items by price per ounce
  • Find the best deal between different package sizes
  • Calculate cost per serving for food items