Price per Weight Calculator
Calculate cost per weight unit for any item - perfect for comparing prices and finding the best deals
Calculate Price per Weight
Item Details
Price per Weight Results
Real-World Examples
Gold Jewelry
Item: 10g gold necklace
Price: $4,000
Price per gram: $400/g
Formula: $4,000 ÷ 10g
Coffee Beans
Item: 500g premium coffee
Price: $25
Price per gram: $0.05/g
Formula: $25 ÷ 500g
Protein Powder
Item: 2kg protein powder
Price: $60
Price per kg: $30/kg
Formula: $60 ÷ 2kg
Spices
Item: 100g saffron
Price: $500
Price per gram: $5/g
Formula: $500 ÷ 100g
Weight Units Guide
Milligrams
Best for medications, supplements, precious materials
Grams
Perfect for food items, jewelry, small products
Kilograms
Ideal for bulk purchases, larger items
Pounds
Common in US grocery shopping, meat, produce
Smart Shopping Tips
Compare price per weight, not just total price
Bulk buying often offers better price per weight
Consider storage space and shelf life
Account for packaging weight when relevant
Quality matters - cheapest isn't always best value
Understanding Price per Weight Calculations
What is Price per Weight?
Price per weight is the cost of a product divided by its weight. This metric allows you to compare the true value of products regardless of their package size, making it easier to identify the best deals.
When to Use Price per Weight?
- •Comparing different package sizes of the same product
- •Evaluating bulk vs. individual purchases
- •Analyzing precious materials like gold or silver
- •Shopping for food items, especially produce
The Formula
Price per Weight = Total Cost ÷ Weight
Calculation Example
Example: 10g gold necklace costs $4,000
Price per gram = $4,000 ÷ 10g = $400/g
This helps you compare with other gold items regardless of their size
Common Use Cases
Grocery Shopping
Compare different brands and package sizes of food items to find the best value.
Precious Materials
Calculate cost per gram for gold, silver, or other valuable materials.
Health Products
Compare supplements, protein powders, and health foods by weight.