Calculate before you charge, sell or spend
Fast calculators for VAT, discounts, margins, profits and platform fees. Calculations run in your browser.
Most useful calculators
VAT calculator
Add, remove or extract VAT with a configurable rate.
Open calculatorEveryday calculationsDiscount calculator
Calculate savings and final price with one or two sequential discounts.
Open calculatorEveryday calculationsPercentage calculator
Solve the three most common percentage calculations.
Open calculatorBusiness and salesProfit margin
Find profit, sales margin and cost markup.
Open calculatorBusiness and salesBreak-even point
Find how many units must be sold to cover fixed costs.
Open calculatorBusiness and salesProduct profit
Include product, shipping, advertising, commission and fees to find real profit.
Open calculatorBusiness and salesSelling price
Find the price required to achieve a target margin after fees.
Open calculatorSelling platformsMercado Libre fee
Estimate fees and profit with an editable category and listing rate.
Open calculatorSelling platformsAmazon Mexico fee
Estimate referral, fulfillment, allocated subscription and unit profit.
Open calculatorSelling platformsShopify fee
Calculate processing, allocated monthly cost and profit per order.
Open calculatorSelling platformsPayPal Mexico fee
Calculate fees, net amount and the price needed to receive a target amount.
Open calculatorBuilt for small sellers
Estimate real costs, fees and profit before listing a product.
Profit margin
Find profit, sales margin and cost markup.
Open calculatorMarkup calculator
Calculate price after adding markup to cost.
Open calculatorBreak-even point
Find how many units must be sold to cover fixed costs.
Open calculatorSales commission
Calculate commission, total pay and effective sales rate.
Open calculatorProduct profit
Include product, shipping, advertising, commission and fees to find real profit.
Open calculatorSelling price
Find the price required to achieve a target margin after fees.
Open calculatorUnit cost
Spread purchase, shipping and other costs across all units.
Open calculatorROI calculator
Measure investment return after additional costs.
Open calculatorShipping cost
Estimate shipping from base price, weight, packaging, insurance and surcharge.
Open calculatorSelling platforms
Mercado Libre fee
Estimate fees and profit with an editable category and listing rate.
Amazon Mexico fee
Estimate referral, fulfillment, allocated subscription and unit profit.
Shopify fee
Calculate processing, allocated monthly cost and profit per order.
PayPal Mexico fee
Calculate fees, net amount and the price needed to receive a target amount.
Your figures stay on your device
Prices, sales and costs are not sent to the server.