5 FOCUSED TOOLS
Shopping & value calculators
Compare discounts, unit prices and purchase-versus-rental scenarios.
Choose the right calculation
Compare quantities on a common unit basis. Apply successive discounts to the reduced price each time. A low unit cost only creates value if the quantity is useful and additional purchase costs are considered.
Find a tool for your question
Discount Calculator
Find a price after a single percentage discount.
Reverse Discount Calculator
Recover the original price from a discounted price and discount rate.
Unit Price Calculator
Compare purchases by calculating their price per unit.
Buy Versus Rent Break Even Calculator
Find whole rental uses needed to equal a purchase cost under simple fixed-cost assumptions.
Multi Buy Unit Cost Calculator
Calculate the effective unit price of a fixed-price multi-buy offer.
Can I simply add two discount percentages?
No. A second discount applies to an already reduced price, so the remaining-price factors must be multiplied.
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