Stacked Discount Calculator

A stacked discount calculator applies multiple percentage discounts sequentially. Each discount reduces the already-reduced price — not the original — so stacking yields a smaller saving than adding the percentages together

The calculator uses the standard published formula for stacked discount. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with inches, percentages. You can enter values in the units shown — the calculator handles all conversions internally.

The core formula is: After Discount 1: Price₁ = Original × (1 − D1%). Each step in the calculation is shown so you can verify the result manually.