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Discount & Unit Price Calculator — Compare Deals
Calculate the price after a discount and sales tax, then compare prices per unit.
Open full calculator ↗Free to use. No account needed to calculate.
How to use it
- Use the calculator above and replace the example numbers with your own.
- Check the units and choices beside each input. Your result updates as you type.
- Review the breakdown, then share a copy or carry the answer into another calculator.
How the calculation works
Final price = original price × (1 − discount ÷ 100) × (1 + tax ÷ 100). Unit price = final price ÷ quantity.
A worked example
These are illustrative inputs, not recommendations. The result is calculated with the same engine used by the tool.
- Original price ($)
- 80
- Discount (%)
- 25
- Sales tax (%)
- 0
- Number of units
- 1
- Comparison pack price ($)
- 65
- Comparison pack units
- 1
Questions about Discount & Unit Price Calculator — Compare Deals
What does this calculator do?
Calculate the price after a discount and sales tax, then compare prices per unit.
Can I calculate without an account?
Yes. Calculate for free without signing in. Sign in only if you want to save calculations and personal plans.
What to keep in mind
The comparison pack price should already include tax. Use identical unit sizes for both products so the comparison is meaningful. A larger discount does not always mean a lower unit price.
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Guide updated November 5, 2026 · About Calcuvero & your privacy