Ecommerce operations tools
Price products, plan ads and inventory, size freight, prepare documents, and protect margin. Core results are free, transparent, and available without registration.
Showing 35 of 35 tools
Dimensional Weight Calculator
Calculate dimensional and billable weight from package size and actual weight.
Open toolUSPS Dimensional Weight Calculator
Apply the current verified USPS Priority Mail commercial DIM rule.
Open toolUPS Dimensional Weight Calculator
UPS rule workspace with production calculations gated by source verification.
Open toolFedEx Dimensional Weight Calculator
FedEx rule workspace with production calculations gated by source verification.
Open toolBillable Weight Calculator
Compare actual and dimensional weight to identify the billable weight.
Open toolPackage Girth Calculator
Calculate girth and combined length plus girth from three dimensions.
Open toolSmart Box Finder
Find the smallest demo box that fits a product with padding and rotation.
Open toolWill It Fit?
Test all dimension permutations and approximate multi-item grid capacity.
Open toolPackaging Efficiency Calculator
Score box utilization, void space, and billable-weight efficiency from 0 to 100.
Open toolShipping Margin Calculator
Measure contribution margin after shipping, packaging, fees, ads, and returns.
Open toolOversize Package Calculator
Check package length, girth, volume, and USPS-oriented threshold warnings.
Open toolVoid Space Calculator
Measure empty volume and void percentage inside a shipping box.
Open toolPackage Volume Calculator
Calculate cubic inches, cubic feet, and liters from package dimensions.
Open toolCM to Inches Package Converter
Convert a full set of package dimensions from centimeters to inches.
Open toolKG to LB Shipping Converter
Convert shipment weight from kilograms to pounds and ounces.
Open toolDid You Make Money Today?
Turn today's revenue, orders, ads, fulfillment, fees, and returns into an honest daily profit reality check.
Open toolProfit Margin & Markup Calculator
Compare profit margin and cost markup so you can price a product without confusing the two percentages.
Open toolProduct Pricing Calculator
Find a selling price that covers unit costs, fixed order costs, percentage fees, and a target margin.
Open toolBreak-even ROAS & Max CPA Calculator
Calculate break-even return on ad spend, maximum acquisition cost, and maximum CPC from contribution economics.
Open toolLanded Cost Calculator
Allocate product, freight, duty, insurance, brokerage, and other shipment costs down to each imported unit.
Open toolInventory Turnover Calculator
Measure how often inventory is sold and replaced and convert the ratio into days of inventory outstanding.
Open toolReorder Point & Safety Stock Calculator
Estimate safety stock and the stock level that should trigger replenishment.
Open toolCBM Calculator
Convert carton dimensions and quantity into cubic meters, cubic feet, and a reference container utilization.
Open toolPallet Calculator
Compare two box orientations and estimate layers, case count, loaded height, weight, and the limiting constraint.
Open toolSKU Generator
Build readable stock-keeping units from brand, product, variant, color, size, and sequence fields.
Open toolUPC-A & EAN-13 Barcode Generator
Validate or calculate a UPC-A/EAN-13 check digit and render a print-ready SVG barcode.
Open toolPacking Slip Generator
Create a clean packing slip with seller, order, recipient, item quantity, and fulfillment notes.
Open toolCommercial Invoice Generator
Draft a printable commercial invoice with parties, origin, HS code, quantity, unit value, shipping, and customs value.
Open toolPurchase Order Generator
Create a printable purchase order with buyer, vendor, line item, quantity, price, shipping, tax, and terms.
Open toolFree Shipping Threshold Calculator
Estimate the basket value needed to absorb average shipping cost and preserve a desired contribution amount.
Open toolDiscount Profit Calculator
See the price, fee, margin, total profit, and break-even discount behind a promotion.
Open toolReturn Cost Calculator
Estimate the expected shipping, handling, write-off, and recovery economics of product returns.
Open toolAmazon Seller Fee Calculator
Model an editable US Amazon referral-fee scenario alongside selling-plan, fulfillment, product, and other costs.
Open toolEtsy Fee Calculator
Estimate editable listing, transaction, payment-processing, and optional ad fees for an Etsy order.
Open tooleBay Fee Calculator
Model an editable US eBay final-value, per-order, promoted-listing, insertion, and cost scenario.
Open tool