everyday calculator

Discount Calculator

Figure out sale prices and savings when stores advertise percentage discounts.

Results

You save
$39 USD
Final price
$91 USD

How to use this calculator

  1. Enter the original price of the item or cart, before any discounts or sales tax.
  2. Enter the percent‑off discount being offered (for example, 15 for 15% off, 30 for 30% off).
  3. Review the calculated savings (discount amount) and the final price after applying the percentage discount.
  4. If you have multiple discounts, run the calculator again on the new final price or apply the discounts sequentially as factors (e.g., 30% off then 10% off → price × 0.70 × 0.90).
  5. If you want an out‑the‑door price including sales tax, multiply the final price by (1 + tax rate) after you see the discounted amount.

Inputs explained

Original price
The starting price of the item or cart before any discounts or taxes. Use the regular price, sticker price, or current cart subtotal before applying coupons or sale percentages.
Discount %
The percentage discount you want to apply. Enter the numeric part only (for example, 25 for 25% off). This can represent a sale, coupon, loyalty offer, or employee discount.

How it works

You enter the original (pre‑discount) price of an item and the advertised discount percentage.

The calculator computes the discount amount as Original price × (Discount % ÷ 100), showing how many dollars you are saving.

The final price is then calculated as Original price − Discount amount, which is the price you would pay before taxes or additional fees.

Because the calculation is linear, you can use it for single items, bundled totals (like a cart subtotal), or per‑unit prices when you want to compare deals.

For stacked discounts (for example, a store‑wide sale plus a coupon), you can apply them sequentially by running the calculator multiple times or by multiplying the effective factors together.

Formula

Discount amount = Original price × (Discount % ÷ 100)\nFinal price = Original price − Discount amount\n\nExample: If an item costs $129.99 and is 30% off, Discount ≈ 129.99 × 0.30 ≈ $39.00, Final ≈ 129.99 − 39.00 ≈ $90.99.

When to use it

  • Checking sale prices quickly while shopping in‑store or online, especially when tags or product pages only show the original price and discount percentage.
  • Comparing different promotions, such as 20% off vs $15 off, by converting each into a final price and choosing the better deal.
  • Modeling stacked discounts by applying multiple percentage offers in sequence to see the combined effect.
  • Budgeting for major sale events (holiday sales, back‑to‑school, Black Friday, etc.) by estimating how much common discount levels will reduce your cart total.
  • Helping friends, family, or clients understand how much they really save on a purchase rather than focusing only on the headline percentage.

Tips & cautions

  • For stacked discounts, remember that percentages multiply, not add—30% off plus 10% off is not 40%; it is price × 0.70 × 0.90 = 0.63, or an effective 37% off.
  • If you are comparing a percentage discount to a fixed‑amount coupon (for example, 20% off vs $10 off), run both scenarios and compare the final prices to pick the better deal.
  • Add sales tax after you have applied all discounts, since most regions calculate tax on the discounted price rather than the original price.
  • Watch out for exclusions—some discounts only apply to certain items or price ranges; always confirm that the promotion applies to the items you are calculating.
  • Round according to the store’s rules; some retailers round each line item, while others round at the cart level, so your real‑world totals may differ by a few cents.
  • Handles a single percentage discount at a time. For multiple discounts, you must either apply them sequentially or compute an effective combined rate yourself.
  • Does not automatically handle complex promotions such as buy‑one‑get‑one (BOGO), tiered discounts (for example, spend $100, get $20 off), or rewards points; those may require separate calculations or approximations.
  • Focuses on pre‑tax prices; sales tax, shipping, service fees, and surcharges are not included unless you manually add them after the discount.
  • Assumes the discount is calculated on the full original price; some promotions exclude certain items or apply after other adjustments, which can change the result.

Worked examples

$129.99 jacket at 30% off

  • Original price = $129.99, Discount % = 30.
  • Discount amount ≈ 129.99 × 0.30 ≈ $39.00.
  • Final price ≈ 129.99 − 39.00 ≈ $90.99 before tax.

$60 shoes at 15% off

  • Original price = $60.00, Discount % = 15.
  • Discount amount = 60 × 0.15 = $9.00.
  • Final price = 60 − 9 = $51.00 before tax.

Stacked discount: 25% off plus an extra 10% coupon

  • Start with an original price of $100.00.
  • Apply 25% off: price × 0.75 → $75.00.
  • Apply an additional 10% off coupon to the discounted price: 75 × 0.90 = $67.50.
  • Effective discount = 32.5% off, not 35%—a good example of why sequential percentage discounts multiply rather than add.

Deep dive

This discount calculator turns any percent‑off promotion into real savings and a final price by applying the discount to your original price.

Enter the item price and discount percentage to see exactly how many dollars you save and what you will pay before tax and fees.

Use it to compare sales, evaluate stacked discounts, and plan your shopping budget during big promotion events without guessing at the math.

FAQs

Can I include sales tax in this calculator?
The calculator focuses on discounts before tax. To include sales tax, compute the final discounted price here and then multiply by (1 + tax rate) to get an out‑the‑door estimate.
How should I handle multiple or stacked discounts?
Apply them sequentially. For example, 30% off then an extra 10% coupon means: Final price = Original × 0.70 × 0.90. You can run the calculator twice—once for each step—or compute the combined factor directly.
Can this handle BOGO, tiered, or fixed‑amount coupons?
Not directly. For BOGO or fixed‑amount coupons, you can estimate an equivalent percentage based on your cart or item total and then input that percentage, or run the math separately and adjust the original price before using this tool.
Why does my checkout total differ slightly from the calculator result?
Retailers may round discounts at the item or cart level, apply promotions in a specific order, or exclude certain items. They also add tax, shipping, and fees. Treat this calculator as a planning estimate and always confirm the final amount in your cart before paying.
Does this calculator support other currencies?
Yes, conceptually. The math is currency‑agnostic—just enter your prices in the local currency and interpret the output in that currency. Currency conversion between countries is handled by separate tools.

Related calculators

This discount calculator provides an approximate view of savings and final prices based on user-entered original prices and percentage discounts. It does not account for store‑specific rounding rules, exclusions, taxes, shipping, or complex promotions and should be used for planning and comparison only. Always verify the final amount at checkout and review the promotion’s terms and conditions before relying on a discount.