E-commerce Calculators
Amazon FBA Fee Calculator
Estimate net proceeds on an Amazon FBA listing after referral fee, fulfillment fee, and storage fee are subtracted from the item price precisely.
Amazon Referral Fee Calculator
Calculate Amazon's referral fee and net proceeds from a sale price based on your product category's referral fee percentage.
Average Order Value Calculator
Determine average order value by dividing total revenue by number of orders, a core metric for tracking per-transaction spending over time.
Break-Even Sales Calculator
Find the exact unit volume and revenue needed to cover fixed costs, based on price per unit and variable cost per unit for any product.
Cost-Per-Click Breakeven Calculator
Calculate the maximum cost-per-click you can afford in paid advertising while still breaking even, based on margin and conversion rate.
Customer Acquisition Cost Calculator
Calculate customer acquisition cost by dividing total marketing spend by new customers acquired, for comparing channel efficiency directly and fairly.
Dropshipping Profit Calculator
Compute per-unit and total profit for a dropshipping product after supplier cost, shipping, platform fees, and ad spend are all subtracted.
E-commerce Conversion Rate Calculator
Calculate your e-commerce store's conversion rate from total orders and total visitors, benchmarked against industry averages.
E-commerce Profit Calculator
Calculate true profit and margin on any online sale after subtracting cost of goods, fees, shipping, and ad spend from total revenue directly and precisely.
Email Marketing ROI Calculator
Calculate revenue generated and ROI from an email marketing campaign based on list size, conversion rate, and average order value.
Free Shipping Threshold Impact Calculator
Estimate how a free shipping threshold could boost your average order value based on how many customers add items to qualify.
Gross Merchandise Value (GMV) Calculator
Calculate Gross Merchandise Value (GMV) and estimated platform revenue from units sold, average price, and platform fee percentage.
Inventory Turnover Calculator
Calculate inventory turnover ratio and days to sell through average inventory from cost of goods sold and average inventory value.
LTV:CAC Ratio Calculator
Calculate the Customer Lifetime Value to Customer Acquisition Cost ratio, a key health metric for e-commerce and subscription businesses.
Markup Calculator
Calculate markup percentage from cost and selling price, plus a conversion table showing the equivalent profit margin for each markup level shown.
Payment Processing Fee Calculator
Calculate total payment processing fees and net amount received from a transaction using a percentage plus fixed fee structure.
Product Margin Calculator
Compute profit margin as a percentage of selling price from any price and cost pair, with a comparison table showing exactly how margin scales.
Return Rate Calculator
Calculate product return rate from units returned and units sold, with scenario comparisons showing how the percentage changes with sales volume.
Shopping Cart Abandonment Calculator
Determine your cart abandonment rate from carts created and completed purchases, with scenario comparisons showing how the ratio shifts by volume.
Subscription Churn Revenue Loss Calculator
Calculate monthly and annual recurring revenue lost to customer churn, plus average customer lifetime in months.
Running the Numbers Behind an Online Store
An online store's profitability depends on a chain of numbers that all have to work together — margin, fees, acquisition cost, and how many visitors actually complete checkout. These ten calculators cover that full chain.
That is a large number, but it also means the businesses that reduce it even modestly capture real, immediate revenue that was already sitting in carts. The Shopping Cart Abandonment Calculator quantifies exactly how much revenue a given abandonment rate is leaving on the table for your own traffic numbers.
Popular E-commerce Calculators
- Break-Even Sales Calculator — finds the sales volume needed to cover fixed costs and platform fees.
- Amazon FBA Fee Calculator — totals fulfillment and referral fees to find true per-unit profit on Amazon.
- Average Order Value Calculator — calculates typical spend per order from total revenue and order count.
Dropshipping instead of holding inventory? The Dropshipping Profit Calculator accounts for the different fee and margin structure that model involves.
Need broader business math? See the Business Calculators, or check ad channel performance in Advertising Calculators.