Unit price comparison
Big pack or small pack? Find which product is cheaper per kilo or litre.
How it works
Price per kilo = price / grams × 1000. The product with the lowest unit price is the better deal.
Results are for guidance only and do not replace professional advice.
Worked example
With the default values:
- Price of A3.49
- Quantity A (g or ml)500
- Price of B5.99
- Quantity B (g or ml)1000
you get:
- Cheaper optionProduct B (−14 %)
- A per kg / litre€6.98
- B per kg / litre€5.99
Frequently asked questions
How does the “Unit price comparison” tool work?
Price per kilo = price / grams × 1000. The product with the lowest unit price is the better deal.
What do I need to enter?
Just fill in: price of a, quantity a, price of b, quantity b. The result updates as you type.
Can you give an example?
Price of A: 3.49; Quantity A (g or ml): 500; Price of B: 5.99; Quantity B (g or ml): 1000 → Cheaper option: Product B (−14 %); A per kg / litre: €6.98.
Is this calculator free, and is my data private?
Yes. HOD Calc is completely free with no sign-up. The calculation runs in your browser: nothing you type is sent or stored.