Australia GST Calculator (Add or Remove 10% GST & BAS)
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Unit Price Comparison Calculator
Compare price per gram, ml, oz, or item.
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About Unit Price Comparison Calculator
Enter two products with price and quantity to see unit price side by side and which is cheaper.
📐 Methodology & Reference Accuracy:
Calculations, formulas, and conversions execute locally in your web browser. Output models are benchmarked against official reference standards and updated for 2026.
🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.
Background reading: Unit Price Comparison on Wikipedia. More: all calculators.
Frequently Asked Questions about Unit Price Comparison Calculator
How do I compare different pack sizes fairly?
Enter each product with its price and quantity: the calculator reduces both to price per unit, so a 500 g bag and a 2 kg sack compare on equal footing.
Which units are supported?
Grams, millilitres and ounces, plus plain item counts for things sold by the piece, such as eggs or pods.
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