50% Off $29.99 — You Pay $15.00
50% of $29.99 is $15.00, so the price drops from $29.99 to $15.00. Below are the same figure with sales tax added, what happens if a second discount stacks on top, and the full tier table for this price so you can compare without retyping it.
The arithmetic, line by line
| Step | Calculation | Result |
|---|---|---|
| Discount rate as a decimal | 50 ÷ 100 | 0.50 |
| Discount amount | $29.99 × 0.50 | $15.00 |
| Final price | $29.99 − $15.00 | $15.00 |
| Price paid, share of original | $15.00 ÷ $29.99 × 100 | 50% |
At $0.30 per percentage point, the 10-point move up to 60% changes the saving by $2.99 on a single unit. Two units bought at 50% save $30.00 between them, which is $12.01 more than one unit at 60% ($17.99) — quantity and discount rate are separate levers and they do not trade evenly.
With sales tax on top
Tax is charged on the discounted amount, so the rate applies to $15.00 rather than $29.99.
| Tax rate | You pay | Tax portion |
|---|---|---|
| 5% | $15.74 | $0.75 |
| 6% | $15.89 | $0.90 |
| 7% | $16.04 | $1.05 |
| 8% | $16.19 | $1.20 |
| 9% | $16.34 | $1.35 |
| 10% | $16.49 | $1.50 |
If a second discount stacks
"Take an extra 20% off sale prices" is a second cut on the already-reduced price, not on the original. That is why the totals below do not add up to 60% or 70%.
| Second discount | Price after 50% | After the extra cut | Combined |
|---|---|---|---|
| Extra 10% off | $15.00 | $13.50 | 55% total |
| Extra 20% off | $15.00 | $12.00 | 60% total |
Every discount on $29.99
| Off | You pay | You save |
|---|---|---|
| 10% | $26.99 | $3.00 |
| 15% | $25.49 | $4.50 |
| 20% | $23.99 | $6.00 |
| 25% | $22.49 | $7.50 |
| 30% | $20.99 | $9.00 |
| 40% | $17.99 | $12.00 |
| 50% | $15.00 | $15.00 |
| 60% | $12.00 | $17.99 |
| 70% | $9.00 | $20.99 |
| 75% | $7.50 | $22.49 |
50% off nearby prices
| Original price | Final price | Savings |
|---|---|---|
| $19.99 | $10.00 | $10.00 |
| $24.99 | $12.50 | $12.50 |
| $34.99 | $17.50 | $17.50 |
| $39.99 | $20.00 | $20.00 |
| $49.99 | $25.00 | $25.00 |
Frequently asked
What is 50% off $29.99?
$15.00. The discount is 50% of $29.99, which is $15.00, and that comes straight off the price: $29.99 − $15.00 = $15.00.
How much do I save at 50% off $29.99?
$15.00 on a $29.99 item, which is the 50% that comes off before the till total of $15.00. The share you still pay is 50%, and sales tax is charged on that smaller figure rather than on the original.
Is 50% off plus another 50% off the same as 100% off?
No. Stacked percentages multiply, so 50% then 50% is 75% off in total, not 100%. On $29.99 the first cut leaves $15.00, and a second 50% takes it to $7.50.
Does sales tax apply before or after the discount?
After, in every US state that taxes the sale. Tax is charged on what you actually pay, so at 8% you owe $16.19 on a $15.00 subtotal, not 8% of $29.99. There are exceptions for manufacturer coupons and mail-in rebates, but a shelf discount is applied first.