E-commerce & Online Selling Cost Calculators
Calculate online store startup costs, marketplace seller fees (Amazon, Etsy, eBay, Shopify), product pricing and margins, fulfillment and shipping expenses, and sales metrics with 40 practical e-commerce calculators.
Calculate Shopify and Amazon FBA seller fees, dropshipping net margins, product pricing formulas, box shipping dimensions, pick-and-pack fulfillment expenses, ROAS breakevens, and blended customer acquisition costs with our 44 free e-commerce cost calculators.
Live Interactive Calculators (44)
Ready for instant calculation with step-by-step formulas
Inventory Holding Cost Calculator
Calculate the true annual carrying cost of warehouse inventory across capital financing, storage, insurance, shrinkage, and obsolescence.
Amazon FBA vs Shopify Fee Calculator
Compare referral and fulfillment fees against standalone merchant store processing costs.
Freight Dimensional Weight Calculator
Calculate DIM weight divisors for FedEx, UPS, and DHL air/ground shipments.
Import Duty Calculator
Calculate US customs import duties based on Harmonized Tariff Schedule (HTS) codes, Merchandise Processing Fees (MPF), Harbor Maintenance Fees (HMF), and CIF values.
Customs Duty Calculator
Calculate international border customs duties, special Section 301/232 trade tariffs, and licensed customs broker clearance charges.
E-commerce Website Cost Calculator
Calculate the total cost to launch and operate an online store, modeling platform subscriptions, store themes, credit card processing fees, and essential merchant apps.
E-commerce Startup Cost Calculator
Calculate the total initial capital required to launch an e-commerce business, including website development, initial inventory, LLC formation, and 3 months of operating reserves.
Online Store Cost Calculator
Calculate the total cost to launch and run an online retail store, combining platform subscriptions, domain, theme, merchant processing fees, and maintenance.
Monthly E-commerce Operating Cost Calculator
Track and forecast all recurring operational expenditures for an active e-commerce store, from advertising and SaaS apps to warehouse storage and packaging.
E-commerce Platform Cost Calculator
Compare the true cost of e-commerce platforms like Shopify, BigCommerce, or WooCommerce by factoring subscriptions, external transaction fees, and payment gateway rates.
E-commerce Subscription Cost Calculator
Audit your store recurring SaaS software app subscriptions, measure total monthly tech spend, and calculate software cost per order.
Online Store Maintenance Cost Calculator
Estimate annual online store maintenance budgets, developer retainer hours, security patching, backup automation, and bug fix contingency reserves.
E-commerce Business Budget Calculator
Plan your complete e-commerce financial budget with target percentage allocations for COGS, marketing, shipping, and fixed operating expenses.
Marketplace Fee Calculator
Calculate total selling fees, payment processing deductions, and net proceeds for any online marketplace with configurable commission rates.
Amazon Seller Fee Calculator
Calculate Amazon referral fees, FBA pick and pack fulfillment costs, monthly storage fees, and net profit for FBA and FBM merchant listings.
Etsy Seller Fee Calculator
Calculate official Etsy seller fees including the $0.20 listing fee, 6.5% transaction fee, 3% + $0.25 payment processing, and optional offsite ads.
eBay Seller Fee Calculator
Calculate eBay final value fees, per-order fixed fees, insertion fees, and optional promoted listings across standard selling categories.
Shopify Transaction Fee Calculator
Calculate Shopify monthly subscription fees, credit card processing rates, third-party payment surcharges, and potential savings with Shopify Payments.
Payment Processing Fee Calculator
Calculate merchant account credit card processing fees, flat transaction charges, net bank deposits, and effective fee percentages for single or batch sales.
Online Selling Commission Calculator
Calculate consignment fee splits, platform commission cuts, and seller net earnings for art, luxury resale, fashion consignment, and peer-to-peer marketplaces.
Marketplace Profit Calculator
Calculate net unit profit, profit margins, and break-even selling prices across Amazon, Etsy, eBay, and Walmart marketplaces after COGS, fees, and ad costs.
E-commerce Product Pricing Calculator
Calculate the optimal retail selling price for your e-commerce products based on manufacturing COGS, shipping, ad spend, merchant fees, and target profit margin.
Product Selling Price Calculator
Calculate selling prices by applying either a target gross margin percentage or markup on cost, with optional sales tax calculations.
E-commerce Profit Margin Calculator
Calculate both gross margin and net margin for your online retail products by factoring COGS, shipping, marketplace fees, and advertising.
E-commerce Markup Calculator
Calculate dollar markup, markup multipliers, and resulting profit margins from product cost, and benchmark against competitor pricing.
Dropshipping Profit Calculator
Calculate net profit, profit margins, maximum allowable ad spend (CPA), and break-even selling prices for AliExpress, CJ Dropshipping, or Zendrop orders.
Print on Demand Profit Calculator
Calculate net profit per order and profit margins for Printify, Printful, or Gelato apparel, mugs, and posters sold on Etsy, Shopify, or Amazon.
Wholesale to Retail Price Calculator
Calculate wholesale pricing and recommended retail MSRP based on product manufacturing costs using standard retail keystone markups.
E-commerce Break Even Calculator
Calculate how many monthly orders and total sales revenue your store must generate to cover fixed software, salaries, and operational overhead.
E-commerce Shipping Cost Calculator
Calculate carrier dimensional weight (DIM weight) vs actual scale weight, fuel surcharges, and residential delivery surcharges for parcel shipping.
Order Fulfillment Cost Calculator
Calculate 3PL or in-house fulfillment expenses including primary pick fees, multi-item pick charges, packaging materials, storage allocation, and postage.
Cost Per Order Calculator
Calculate the total fully loaded variable cost incurred on every shipped customer order, combining product COGS, postage, labor, payment fees, and ad CAC.
Packaging Cost Calculator
Calculate custom e-commerce packaging expenses per order and total monthly budgets across shipping boxes, custom mailers, tape, dunnage, and labels.
Pick and Pack Cost Calculator
Calculate warehouse pick-and-pack labor expenses per order based on hourly wages, labor tax burdens, pick duration, and packaging materials.
Returns Processing Cost Calculator
Calculate the true financial cost of customer e-commerce returns, including return shipping labels, inspection labor, unrefunded payment fees, and damaged inventory losses.
Cost Per Shipment Calculator
Calculate the total cost to ship individual parcels, combining carrier freight postage, box materials, packing labor, and parcel insurance.
E-commerce Revenue Calculator
Forecast monthly and annual e-commerce sales revenue based on store traffic, conversion rate, average order value (AOV), and customer return deductions.
Average Order Value Calculator
Calculate average order value (AOV), units per transaction (UPT), and average item price, and measure the revenue impact of increasing AOV by 10% or 20%.
Customer Acquisition Cost Calculator
Calculate blended customer acquisition cost (CAC), paid-only CAC, and Marketing Efficiency Ratio (MER) across ad spend, agency fees, and software tools.
E-commerce Customer Lifetime Value Calculator
Calculate customer lifetime value (CLV/LTV), gross profit LTV, and the vital LTV:CAC ratio based on repeat purchase frequency, AOV, and customer lifespan.
E-commerce Conversion Rate Calculator
Calculate store checkout conversion rates from visitors and orders, determine visitors needed per sale, and model the revenue impact of conversion rate optimization (CRO).
Return on Ad Spend Calculator
Calculate Return on Ad Spend (ROAS as a multiplier and percentage), break-even ROAS thresholds based on product margins, and net profit after ad spend.
E-commerce Return Rate Calculator
Calculate order return rate percentages, item-level return rates, net retained orders, and total financial loss from customer returns and restocking.
E-commerce Net Profit Calculator
Calculate comprehensive net profit and profit margins by factoring gross revenue, customer returns, product COGS, platform fees, shipping, and advertising.
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