Option A (e.g., Can)
Option B (e.g., Carton)
How to Find the Best Value on Soup
Whether you are stocking up for winter or just grabbing a quick lunch, soup aisles can be confusing. Prices vary wildly between condensed cans, chunky ready-to-eat tins, and large cartons of broth. The Unit Rate Calculator for Soup helps you determine the true cost per ounce (or per gram) to ensure you aren't overpaying for packaging.
A standard 10.5 oz can of condensed tomato soup costs $1.29.
A family-size 22.6 oz can costs $2.49.
Which is the better deal?
Using the calculator, the small can is $0.123 per oz, while the large can is $0.110 per oz. The family size saves you money per spoonful.
Why Unit Rate Matters for Canned Goods
Grocery stores often display the "Unit Price" on the shelf tag, but it can be misleading if different brands use different units (some list price per pound, others per ounce). Furthermore, sales and coupons often obscure the real value. By calculating the Unit Rate (Price รท Quantity), you strip away the marketing to see the raw value of the food.
Common Soup Container Sizes
- Condensed Soup (Standard): Typically 10.5 oz to 10.75 oz. Requires adding water or milk, effectively doubling the volume.
- Ready-to-Eat (Chunky/Traditional): Typically 18 oz to 19 oz. No water added.
- Broth/Stock Cartons: Typically 32 oz (1 quart).
- Microwavable Bowls: Typically 15.25 oz. You often pay a premium for the convenience of the bowl.
The Formula Behind the Soup Calculator
The math used in this tool is a simple division ratio:
Unit Rate = Total Price / Total Volume
If you are comparing condensed soup to ready-to-eat soup, remember to account for the water you add. If a 10.5 oz condensed soup makes 21 oz of edible soup, you might want to use 21 as your volume input to compare it fairly against a ready-to-eat can.
Strategies for Soup Savings
- Check the "Net Weight": Don't judge by the size of the can. Manufacturers sometimes leave "headspace" or use indented bottoms. Always input the number printed on the label.
- Compare Like with Like: Compare creamy soups with creamy soups, and broth with broth. A meat-heavy stew will naturally have a higher unit rate than a vegetable broth.
- Watch for Multipacks: Sometimes a "bulk" pack of 4 cans is actually more expensive per unit than buying 4 individual cans on sale. Always run the numbers.
Comparison Results
"; var winner = ""; var savings = 0; var pctDiff = 0; if (rateA < rateB) { winner = "Option A"; savings = rateB – rateA; pctDiff = ((rateB – rateA) / rateB) * 100; resultHTML += "Option A is the better value!"; resultHTML += "Option A Unit Price: $" + rateA.toFixed(4) + " per unit"; resultHTML += "Option B Unit Price: $" + rateB.toFixed(4) + " per unit"; resultHTML += "Option A is " + pctDiff.toFixed(1) + "% cheaper per unit of soup."; } else if (rateB < rateA) { winner = "Option B"; savings = rateA – rateB; pctDiff = ((rateA – rateB) / rateA) * 100; resultHTML += "Option B is the better value!"; resultHTML += "Option A Unit Price: $" + rateA.toFixed(4) + " per unit"; resultHTML += "Option B Unit Price: $" + rateB.toFixed(4) + " per unit"; resultHTML += "
Option B is " + pctDiff.toFixed(1) + "% cheaper per unit of soup."; } else { resultHTML += "It's a tie! Both options cost exactly $" + rateA.toFixed(4) + " per unit."; } // Display resultBox.style.display = "block"; resultBox.innerHTML = resultHTML; }