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Tool 11 · Calculators

Discount Drain Calculator

See what a sale really costs your margin before you run it — recomputed live as you adjust the inputs.

Pricing & Costs

Discount%30
%0%70

Live Results

Margin eroder
Discounted Price
$35.00
−30% off
Profit per Unit (Sale)
$3.00
at the discount
Margin Before
36.0%
full price
Margin After
8.6%
at the discount
Profit Lost / Unit
$15.00
vs full price
Units to Match Full Price
6.00×
500% more units
Margin eroder: 500% more units needed — discounts this deep rarely generate enough volume to pay for themselves.