50% Off Calculator
Half-off and larger discounts compound fast. At 50% off, a $100 item costs $50.00 — and you save $50.00 on every $100 of full-price merchandise.
50% off common prices
| Original price | 50% off | Sale price |
|---|---|---|
| $10 | -$5.00 | $5.00 |
| $25 | -$12.50 | $12.50 |
| $50 | -$25.00 | $25.00 |
| $100 | -$50.00 | $50.00 |
| $200 | -$100.00 | $100.00 |
| $500 | -$250.00 | $250.00 |
| $1,000 | -$500.00 | $500.00 |
How to calculate 50% off
To calculate 50% off any price, multiply the original price by 0.50 to get the discount amount, then subtract that from the original price. The shortcut: multiply by 0.50 to jump directly to the sale price. For example, 50% off $80 is $40.00 — and you save $40.00.
50% off is the easiest mental-math discount: just cut the price in half. A $79.99 item becomes $40.00 (rounded).
Watch out for stacked discounts. "50% off + extra 10% off" is not (50 + 10)% off — it's actually 55.0% off, because the second discount applies to the already-reduced price. This is also why "buy one, get one 50% off" is only a 25% discount on the pair, not 50% off each item.
For sellers: a 50% discount cuts deeply into gross margin. If you sell at a 50% off price while paying full cost on inventory, your margin shrinks faster than the discount percentage suggests. Promotional pricing at this depth usually only makes sense for clearance, customer acquisition, or seasonal turnover.