# PriceWatcher Tools

55 free pricing and discount calculators. No signup required. Each tool runs in the browser.

Website tools index: https://www.pricewatcherapp.com/tools

## Discount & savings

- [Discount Calculator — final price & savings](https://www.pricewatcherapp.com/tools/discount-calculator): Free discount calculator: enter original price and discount percent to see the new price and how much you save. Built for shoppers comparing deals.
- [Percentage Off Calculator — amount off & final price](https://www.pricewatcherapp.com/tools/percentage-off-calculator): Calculate how much X% off represents in dollars and what you pay after the discount. Works for any currency; enter numbers only.
- [Price Drop Calculator — change in money and percent](https://www.pricewatcherapp.com/tools/price-drop-calculator): Measure how much a price dropped from an old value to a new value. Outputs absolute savings and the percentage decrease.
- [Price Difference Calculator — compare two prices](https://www.pricewatcherapp.com/tools/price-difference-calculator): Compare two prices from different stores or listings. See the absolute difference and how large the gap is relative to the lower price.
- [Savings Calculator — total savings with quantity](https://www.pricewatcherapp.com/tools/savings-calculator): Calculate total savings when buying discounted items, including multiple units. See per-unit savings and the full basket impact.
- [Sale Price Calculator — what you pay on sale](https://www.pricewatcherapp.com/tools/sale-price-calculator): Simple sale price calculator: enter regular price and sale percent to get the promotional price. Optimized for quick “what’s the sale price?” searches.
- [Original Price From Discount Calculator — reverse percent off](https://www.pricewatcherapp.com/tools/original-price-from-discount-calculator): Find the original price before a discount when you only know the final price and the discount percentage. Solves reverse percentage-off problems.
- [Final Price After Discount Calculator — one or more discounts](https://www.pricewatcherapp.com/tools/final-price-after-discount-calculator): Compute the final price after up to three sequential percentage discounts. Useful for promotions that apply multiple percent steps.
- [Stacked Discount Calculator — percent after percent](https://www.pricewatcherapp.com/tools/stacked-discount-calculator): Calculate the effective price after stacking multiple percentage discounts (for example 20% then 10%). See equivalent single discount.
- [Tax and Discount Calculator — US-style checkout math](https://www.pricewatcherapp.com/tools/tax-and-discount-calculator): Apply a percent discount first, then add sales tax. Helpful for estimating US checkout totals where tax applies after promotions.

## Pricing & comparison

- [Price Comparison Calculator — find the cheapest option](https://www.pricewatcherapp.com/tools/price-comparison-calculator): Compare up to five product prices at once. Highlights the lowest price and shows how much more expensive each other option is.
- [Competitor Price Difference Calculator](https://www.pricewatcherapp.com/tools/competitor-price-difference-calculator): Measure the gap between your price and a competitor’s price in dollars and percent. Useful for resellers and small ecommerce teams.
- [Price Matching Calculator — cut needed to match](https://www.pricewatcherapp.com/tools/price-matching-calculator): See how much you must reduce your price to match a competitor, and optionally what margin remains after matching given your cost.
- [Undercut Pricing Calculator — beat a price by a target gap](https://www.pricewatcherapp.com/tools/undercut-pricing-calculator): Calculate the price you need to undercut a competitor by a fixed amount or to hit a target discount versus their price.
- [Bulk Discount Calculator — volume tier pricing](https://www.pricewatcherapp.com/tools/bulk-discount-calculator): Estimate total cost for multiple units with a percent bulk discount. Good for B2B quotes and wholesale-style tier thinking.
- [Bundle Savings Calculator — bundle vs buying separately](https://www.pricewatcherapp.com/tools/bundle-savings-calculator): Compare the sum of individual item prices to a bundle price. See whether the bundle is truly cheaper and by how much.
- [Shipping Cost Impact Calculator — landed price](https://www.pricewatcherapp.com/tools/shipping-cost-impact-calculator): Add shipping to a product price to compare true landed cost across retailers with different delivery fees.
- [Tax + Shipping + Discount Calculator — full checkout estimate](https://www.pricewatcherapp.com/tools/tax-shipping-discount-calculator): Estimate a full checkout: apply a percent discount, add shipping, then apply tax percent on the taxable subtotal. Planning tool for complex carts.

## Margin, markup & profit

- [Markup Calculator — selling price from cost](https://www.pricewatcherapp.com/tools/markup-calculator): Calculate selling price from purchase cost and desired markup percent. Useful for merchants setting list prices from landed cost.
- [Margin Calculator — margin % and profit dollars](https://www.pricewatcherapp.com/tools/margin-calculator): Compute profit dollars and margin percent from cost and selling price. Margin is expressed as percent of selling price.
- [Profit Calculator — simple profit per unit](https://www.pricewatcherapp.com/tools/profit-calculator): Subtract cost from selling price to get profit per unit. A fast utility for quick listing checks.
- [Resale Profit Calculator — fees optional](https://www.pricewatcherapp.com/tools/resale-profit-calculator): Estimate resale profit: selling price minus purchase cost minus optional fees. Built for marketplace and local resale scenarios.
- [ROI Calculator for Flipping Products](https://www.pricewatcherapp.com/tools/roi-calculator-flipping): Compute return on investment for a buy-and-resell flip: profit divided by cash invested (purchase + fees). Output is ROI percent.
- [Break Even Price Calculator — minimum sell price](https://www.pricewatcherapp.com/tools/break-even-price-calculator): Find the minimum selling price to cover unit cost plus per-unit fees and shipping allocation. Quick break-even guardrail for sellers.
- [Reseller Margin Calculator — after fees & shipping](https://www.pricewatcherapp.com/tools/reseller-margin-calculator): Estimate reseller margin after selling price, cost, marketplace fee percent, and shipping cost. Outputs profit and margin on revenue.
- [Marketplace Fee Calculator — net after percent fees](https://www.pricewatcherapp.com/tools/marketplace-fee-calculator): Calculate marketplace fees as a percent of sale and show net proceeds. General-purpose fee estimator for sellers.
- [eBay Fee Calculator — simplified net proceeds](https://www.pricewatcherapp.com/tools/ebay-fee-calculator): Estimate eBay proceeds using a combined percent fee and optional fixed fee per order. Useful for quick listing checks (approximation).
- [Flipping Profit Calculator — is the flip worth it?](https://www.pricewatcherapp.com/tools/flipping-profit-calculator): Compare buy price, sell price, and costs to see profit and ROI for a flip. Great for electronics, bikes, watches, and used goods.

## Deal & shopping utilities

- [Is This a Good Deal Calculator — vs typical price](https://www.pricewatcherapp.com/tools/is-this-a-good-deal-calculator): Compare a current price to an estimated normal price. See percent savings and a simple verdict label for quick gut-checks.
- [Best Deal Calculator — compare multiple offers](https://www.pricewatcherapp.com/tools/best-deal-calculator): Compare up to three offers using price, shipping, and an optional percent discount. Picks the lowest total and shows deltas.
- [Cost Per Use Calculator — price divided by uses](https://www.pricewatcherapp.com/tools/cost-per-use-calculator): Divide an item’s price by expected uses to compare durability purchases and subscription-like goods on a per-use basis.
- [Cost Per Month Calculator — amortize a purchase](https://www.pricewatcherapp.com/tools/cost-per-month-calculator): Spread a purchase price across months of ownership to compare alternatives with different lifetimes or financing assumptions.
- [Cost Per Day Calculator — daily ownership cost](https://www.pricewatcherapp.com/tools/cost-per-day-calculator): Divide price by days of ownership for a quick daily cost figure. Useful for subscriptions and daily-carry items.
- [Subscription Savings Calculator — lump sum vs recurring](https://www.pricewatcherapp.com/tools/subscription-savings-calculator): Compare total paid over a horizon for a one-time purchase versus a recurring subscription price. Highlights which is cheaper overall.
- [Price Per Unit Calculator — $ per kg, liter, piece](https://www.pricewatcherapp.com/tools/price-per-unit-calculator): Convert package price into price per unit (count, kg, liter, etc.) for apples-to-apples comparisons in grocery and retail.
- [Unit Price Comparison Calculator — two packages](https://www.pricewatcherapp.com/tools/unit-price-comparison-calculator): Compare two package sizes by converting both to the same unit measure. Shows which option is cheaper per unit and by how much.
- [Bulk Price Calculator — large pack vs small pack](https://www.pricewatcherapp.com/tools/bulk-price-calculator): Compare per-unit cost for a smaller pack versus a larger pack. Helps evaluate wholesale-style sizing online.
- [Local Pickup vs Shipping Calculator — travel cost included](https://www.pricewatcherapp.com/tools/local-pickup-vs-shipping-calculator): Compare shipped total versus driving to pickup: add mileage cost and time value to the pickup path, then compare to delivered price.

## Competitor & ecommerce

- [Competitor Monitoring ROI Calculator — time saved vs cost](https://www.pricewatcherapp.com/tools/competitor-monitoring-roi-calculator): Estimate ROI of monitoring competitor prices: value of hours saved plus optional uplift from better repricing decisions, minus monitoring cost.
- [Price Change Impact Calculator — revenue & margin effect](https://www.pricewatcherapp.com/tools/price-change-impact-calculator): Model how a price change affects revenue and gross profit for a given sales volume, holding unit cost constant.
- [Inventory Value Calculator — units × cost](https://www.pricewatcherapp.com/tools/inventory-value-calculator): Calculate inventory value from on-hand quantity and average unit cost. Supports up to three SKUs for quick estimates.
- [Restock Cost Calculator — order-up total](https://www.pricewatcherapp.com/tools/restock-cost-calculator): Estimate how much cash a restock order requires for up to three products: units to buy times unit wholesale cost.
- [Competitor Price Gap Calculator — you vs market reference](https://www.pricewatcherapp.com/tools/competitor-price-gap-calculator): Compare your price to a market reference price. Outputs signed gap and percent above/below the reference.
- [MAP Price Checker Calculator — minimum advertised price](https://www.pricewatcherapp.com/tools/map-price-checker-calculator): Check whether a listed price is below a MAP threshold and by how much. For reseller compliance workflows (informational).

## Marketplace & listings

- [Used Item Deal Calculator — vs new reference price](https://www.pricewatcherapp.com/tools/used-item-deal-calculator): Evaluate a used offer against a new reference price. Shows savings and implied depreciation versus new.
- [Used vs New Price Calculator — side-by-side savings](https://www.pricewatcherapp.com/tools/used-vs-new-price-calculator): Compare used and new prices directly. Outputs absolute savings and percent saved versus buying new.
- [Depreciation Calculator — exponential decay model](https://www.pricewatcherapp.com/tools/depreciation-calculator): Estimate remaining value after annual depreciation percent over multiple years. Useful for cars, bikes, electronics, and gear.
- [Listing Price Change Calculator — delta for marketplace ads](https://www.pricewatcherapp.com/tools/listing-price-change-calculator): Measure how much a listing price changed between two observations in dollars and percent. Built for listing-watch workflows.
- [Price Negotiation Calculator — counter-offer from target discount](https://www.pricewatcherapp.com/tools/price-negotiation-calculator): Turn a listing price and desired percent discount into a concrete counter-offer amount and savings versus list.
- [Resale Break Even Calculator — minimum viable sell price](https://www.pricewatcherapp.com/tools/resale-break-even-calculator): Compute minimum sell price to break even after purchase cost, fees, and shipping. Helps avoid selling into a loss by accident.

## General utilities

- [Percentage Change Calculator — between two values](https://www.pricewatcherapp.com/tools/percentage-change-calculator): Calculate percent change from an old value to a new value. Works for prices, metrics, and any two positive numbers.
- [Percentage Increase / Decrease Calculator](https://www.pricewatcherapp.com/tools/percentage-increase-decrease-calculator): See whether a value went up or down in percent terms from a starting price to an ending price. Companion to price tracking dashboards.
- [Currency Conversion Calculator — manual exchange rate](https://www.pricewatcherapp.com/tools/currency-conversion-calculator): Convert an amount using an exchange rate you provide (amount in home currency per 1 unit of foreign currency). No live FX feed; privacy friendly.
- [VAT Calculator — add or remove VAT](https://www.pricewatcherapp.com/tools/vat-calculator): Switch between VAT-inclusive and VAT-exclusive amounts using a VAT rate percent. Useful for EU shopping and invoicing estimates.
- [Sales Tax Calculator — US-style percent add-on](https://www.pricewatcherapp.com/tools/sales-tax-calculator): Add US sales tax percent to a taxable amount to estimate total due. Simple support calculator for American shoppers.

## Related

- Home: https://www.pricewatcherapp.com/
- Home (Markdown): https://www.pricewatcherapp.com/index.md
- llms.txt: https://www.pricewatcherapp.com/llms.txt