Price Per Gram Formula:
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Price per gram is a unit price calculation that shows how much one gram of a product costs. It's commonly used to compare prices of items sold by weight, especially when packages come in different sizes.
The calculator uses the simple formula:
Where:
Explanation: This calculation gives you the cost for each individual gram, making it easier to compare products of different sizes and prices.
Details: Calculating price per gram helps consumers make informed purchasing decisions by standardizing the cost across different package sizes and brands. It's particularly useful for comparing:
Tips:
Q1: Why calculate price per gram instead of just comparing package prices?
A: Package prices can be misleading when sizes differ. Price per gram standardizes the comparison.
Q2: Should I always choose the product with the lowest price per gram?
A: Not necessarily. Consider quality, brand preference, and whether you'll use the full quantity before it expires.
Q3: How accurate does the weight need to be?
A: For most purposes, the weight listed on the packaging is sufficient. For precious metals, more precise measurements may be needed.
Q4: Can I use this for liquids measured in milliliters?
A: Only if you know the density. For water, 1ml = 1g, but other liquids may differ.
Q5: Does this account for discounts or coupons?
A: You should use the final price you pay after all discounts when calculating price per gram.