E-commerce
Specialized financial calculators and margin optimization tools for online store owners, Amazon, Shopify, eBay, and Etsy sellers to track profitability, marketplace fees, shipping costs, and customer return rates.
Free online Fees, Shipping & Returns tools.
Amazon Fee Calculator
Estimate Amazon seller referral fees, FBA fulfillment fees, and your true net payout per sale.
Cart Abandonment Calculator
Calculate shopping cart abandonment rate and estimated lost revenue from incomplete checkouts.
eBay Fee Calculator
Estimate eBay final value fees, fixed per-order fees, and net seller payout on each listing.
Etsy Fee Calculator
Estimate Etsy listing fees, transaction fees, payment processing fees, and optional offsite ads fees.
Free Shipping Threshold Calculator
Calculate the ideal free shipping order minimum based on your average shipping cost and acceptable subsidy margin.
Fulfillment Cost Calculator
Calculate total pick, pack, and ship fulfillment cost per order and total monthly fulfillment spend.
Marketplace Fee Calculator
Compare platform commission rates, transaction deductions, and net seller payouts across major e-commerce marketplaces and direct stores.
Payment Processing Fee Calculator
Calculate payment gateway fees per transaction and total monthly processing costs based on volume.
PayPal Fee Calculator
Calculate PayPal transaction fees and net amount received using standard goods & services rates.
Refund Rate Calculator
Calculate refund rate both by dollar value refunded and by percentage of orders refunded.
Return Cost Calculator
Model monthly financial losses caused by customer returns, return postage labels, warehouse restocking labor, and unsellable inventory depreciation.
Return Rate Calculator
Calculate the percentage of sold units that were returned by customers.
Seller Fee Calculator
Analyze tiered marketplace commissions, promoted listing ad surcharges, and payment transaction deductions to calculate exact net seller payouts.
Shipping Margin Calculator
Compare the shipping fee charged to customers against your actual carrier cost to find shipping margin.
Shipping Profit Calculator
Determine whether customer-paid shipping charges cover carrier postage labels, mailer boxes, and warehouse pick-and-pack labor.
Stripe Fee Calculator
Calculate Stripe payment processing fees and net deposit amount using the standard 2.9% + $0.30 rate.
Transaction Fee Calculator
Calculate total fee cost across a batch of transactions based on per-transaction rate and fixed fee.
Free online Profitability & Margins tools.
Average Basket Size Calculator
Calculate average order value (AOV) and average number of items per order.
E-commerce Break-Even Calculator
Calculate exact unit order volume and monthly gross revenue required to cover store SaaS subscriptions, warehouse rent, and salaries.
E-commerce Profit Calculator
Calculate monthly online store net profit, gross margins, payment processing fees, and return on ad spend (ROAS) across all product lines.
Order Profit Calculator
Calculate the exact net profit on an individual customer order after promo codes, shipping collected, fulfillment costs, and gateway fees.
Product Margin Calculator
Analyze single-SKU unit economics, gross margins, channel commissions, and maximum allowable Customer Acquisition Cost (CAC).
Shopify Profit Calculator
Calculate net profit for your Shopify store after plan fees, app subscriptions, ad spend, COGS, and card processing.
Free online Pricing & Discounts tools.
Bulk Discount Calculator
Calculate the applicable volume discount tier and total price based on order quantity.
Bundle Discount Calculator
Calculate total price and savings when bundling multiple units of the same item at a bundle discount rate.
Buy One Get One Calculator
Calculate total amount charged and customer savings for BOGO free or BOGO 50% off promotions.
Coupon Savings Calculator
Calculate savings and final order total from a percentage-off or fixed-amount coupon code.
Discount Stack Calculator
Calculate the true final price when multiple discounts are applied sequentially (multiplicatively), not simply summed.
Price Match Calculator
Calculate the matched price and customer savings when matching or beating a competitor's price.
Product Bundle Price Calculator
Calculate bundle price and customer savings when combining multiple different products into one bundle offer.
Product Discount Calculator
Calculate promotional sale prices, unit margin compression, and the required surge in unit sales needed to maintain overall store profit.
Product Pricing Calculator
Determine optimal retail selling prices based on manufacturing costs, packaging, inbound shipping, target profit margins, and marketplace referral cuts.
Wholesale Discount Calculator
Calculate wholesale price from retail price using a wholesale discount percentage, and resulting wholesale margin.
Free online Inventory & Operations tools.
Days Inventory Outstanding Calculator
Calculate Days Inventory Outstanding (DIO) — the average number of days inventory is held before being sold.
Inventory Holding Cost Calculator
Estimate the annual and monthly cost of carrying inventory including storage, insurance, capital, and obsolescence.
Sell-Through Rate Calculator
Calculate the percentage of received inventory units that have been sold within a period.
Stock Coverage Calculator
Calculate how many days and weeks your current inventory will last based on average daily sales velocity.