10% Off $29.99 — You Pay $26.99
10% of $29.99 is $3.00, so the price drops from $29.99 to $26.99. 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 | 10 ÷ 100 | 0.10 |
| Discount amount | $29.99 × 0.10 | $3.00 |
| Final price | $29.99 − $3.00 | $26.99 |
| Price paid, share of original | $26.99 ÷ $29.99 × 100 | 90% |
At $0.30 per percentage point, the 5-point move up to 15% changes the saving by $1.50 on a single unit. Two units bought at 10% save $6.00 between them, which is $1.50 more than one unit at 15% ($4.50) — 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 $26.99 rather than $29.99.
| Tax rate | You pay | Tax portion |
|---|---|---|
| 5% | $28.34 | $1.35 |
| 6% | $28.61 | $1.62 |
| 7% | $28.88 | $1.89 |
| 8% | $29.15 | $2.16 |
| 9% | $29.42 | $2.43 |
| 10% | $29.69 | $2.70 |
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 20% or 30%.
| Second discount | Price after 10% | After the extra cut | Combined |
|---|---|---|---|
| Extra 10% off | $26.99 | $24.29 | 19% total |
| Extra 20% off | $26.99 | $21.59 | 28% 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 |
10% off nearby prices
| Original price | Final price | Savings |
|---|---|---|
| $19.99 | $17.99 | $2.00 |
| $24.99 | $22.49 | $2.50 |
| $34.99 | $31.49 | $3.50 |
| $39.99 | $35.99 | $4.00 |
| $49.99 | $44.99 | $5.00 |
Frequently asked
What is 10% off $29.99?
$26.99. The discount is 10% of $29.99, which is $3.00, and that comes straight off the price: $29.99 − $3.00 = $26.99.
How much do I save at 10% off $29.99?
$3.00 on a $29.99 item, which is the 10% that comes off before the till total of $26.99. The share you still pay is 90%, and sales tax is charged on that smaller figure rather than on the original.
Is 10% off plus another 10% off the same as 20% off?
No. Stacked percentages multiply, so 10% then 10% is 19% off in total, not 20%. On $29.99 the first cut leaves $26.99, and a second 10% takes it to $24.29.
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 $29.15 on a $26.99 subtotal, not 8% of $29.99. There are exceptions for manufacturer coupons and mail-in rebates, but a shelf discount is applied first.