Box Size Calculator
Calculate internal and external box dimensions for your products.
Resources
Packaging Insights from Our Experts
Buying guides, design tips, and sustainability know-how to help you choose and design better packaging.
Custom Packaging Guides, Tools & Planning Resources
The BoxYourBrand packaging resources hub brings together free planning tools, buying guides, and design references in one place — so ecommerce, retail, and subscription brands can size, spec, and brand packaging before requesting production quotes. Whether you are launching a first SKU on Shopify, refreshing wholesale cartons, or evaluating sustainable board grades, start here for actionable guidance backed by our production team.
This page is organized into two layers: free packaging calculators for dimension, volume, dimensional weight, and unit conversion math, and a library of custom packaging guides covering mailer boxes, corrugated flute types, MOQs, cost drivers, retail displays, cosmetic packaging, and sustainability trends. Use tools to validate numbers, then read the guides that match your channel and product category.
Every resource links forward to the next step in your workflow — from calculator output to packaging samples, from guide recommendations to free custom packaging quotes, and from format decisions to the full customized packaging catalog. Specialists respond within 2 hours during business hours when you are ready to move from planning to production.
Free Packaging Calculators & Planning Tools
Use these free packaging calculators and unit converters to plan custom mailers, shipping cartons, and retail packaging before you quote. Every tool runs in your browser with no account required — browse the full tools hub for comparison tables, planning guides, and FAQs.
DIM Weight Calculator
Compare FedEx, UPS, and USPS dimensional weight and chargeable weight.
Box Volume Calculator
Calculate cubic feet, liters, and gallons from box dimensions with pallet and container estimates.
Inches to MM Converter
Convert inches to millimeters instantly for packaging and product dimensions.
MM to Inches Converter
Convert millimeters to inches for US shipping specs and corrugated box dimensions.
CM to Inches Converter
Convert centimeters to inches for international packaging specs and product listings.
Inches to CM Converter
Convert inches to centimeters for EU suppliers, metric die lines, and global packaging.
LBS to KG Converter
Convert pounds to kilograms for international shipping weight and packaging specs.
KG to LBS Converter
Convert kilograms to pounds for US carrier weight tiers and domestic shipping labels.
Packaging Size Wizard
Get recommended box dimensions, materials, styles, and printing by industry and purpose.
Packaging Statistics & Industry Benchmarks
Need citeable data for a pitch deck, supplier RFQ, or sustainability scorecard? Ourpackaging statistics referencelists third-party research on ecommerce parcel growth, recycling rates, DIM weight economics, retail shelf impact, and consumer purchase behavior — each with a linked primary source.
Latest Custom Packaging Guides
Expert-written guides on mailer boxes, corrugated materials, retail displays, cosmetic packaging, sustainability, and production planning. Each article links to relevant product pages and tools so you can move from research to a quote-ready spec.
Buying Guide
Custom Deli Paper Guide — Print & MOQ
Custom deli paper for sandwiches, wraps, and food counters — grease-resistant sheets, logo print, food-safe inks, sizes, and MOQ tiers for delis.
Buying Guide
Custom Plastic Cups with Logo Guide
Custom plastic cups with logo for cafes and events — PET and PP formats, food-safe inks, size tiers, print methods, and bulk MOQ guidance.
Buying Guide
Custom Wrapping Paper Printing Guide
Custom wrapping paper printing for retail and gifting — roll and sheet formats, repeat patterns, logo placement, ink options, and MOQ tiers.
Sustainability
Compostable Mailers vs Recycled Corrugated
Compostable mailers vs recycled corrugated boxes — cost, curbside recycling, compost claims, DIM weight, and which eco packaging format fits your brand in 2026.
Buying Guide
Custom Electronics Packaging Guide
Custom electronics packaging — anti-static inserts, packaging trays, drop-tested shippers, and retail display boxes for devices, accessories, and components.
How-to Guides
Custom Packaging Dieline Guide
Custom packaging dielines explained — how to read fold lines, bleed, safety zones, export vector files, and approve proofs before print production.
How-to Guides
FDA Food Packaging Requirements Guide
FDA food packaging requirements for US brands — food-contact materials, grease-resistant coatings, labeling panels, and what to specify on your first custom food box order.
Buying Guide
Holiday Candy Packaging Guide 2026
Plan 2026 Halloween and Christmas candy packaging — halloween boxes, christmas boxes with window, treat boxes, production timelines, and MOQ tiers for confectionery brands.
Buying Guide
Subscription Box Packaging Guide
Design subscription boxes that scale — mailer formats, custom inserts, seasonal artwork swaps, inventory programs, and MOQ tiers for recurring DTC brands.
Buying Guide
Corrugated vs Folding Cartons Guide
Corrugated boxes vs folding cartons compared — structure, cost, weight, print, shipping, sustainability, industries, and when to use each format.
Buying Guide
Asian Takeout Food Packaging Guide
Asian takeout food packaging for restaurants — chinese takeout boxes, tofu containers, waffle boxes, noodle packaging, food-safe board, and MOQ tiers.
Buying Guide
Ice Cream & Beverage Packaging Guide
Ice cream packaging and personalized ice cream cups — cone holders, bulk cup programs, beverage carriers, food-safe coatings, and MOQ tiers.
Buying Guide
Branded Custom Shipping Boxes Guide
Branded boxes and personalized shipping boxes — custom delivery boxes, rectangular corrugated shippers, logo print, and MOQ tiers for ecommerce brands.
Buying Guide
Box Dividers & Inserts Guide
Cardboard box dividers and separators for shipping and retail — die-cut grids, molded pulp, foam inserts, and how to spec custom box dividers for your products.
Buying Guide
Cereal Box Sizes & Dimensions Guide
Cereal box sizes and dimensions in inches — standard retail measurements, panel layout, cardboard specs, and how to order custom cereal boxes for CPG brands.
Buying Guide
Custom Candle Packaging Guide
Custom candle packaging — rigid boxes, tuck cartons, subscription mailers, custom candle labels, and MOQ tiers for candle makers and DTC brands.
Buying Guide
Custom Candy & Cookie Boxes Guide
Custom candy boxes, personalized cookie boxes, and mini cake boxes — food-safe materials, holiday formats, chocolate bar boxes, and how to order at low MOQ.
Buying Guide
Corrugated Box Types Guide
Corrugated box types explained — RSC box, customize cardboard box, custom logo boxes, brand boxes, and white cardboard box programs with print specs and MOQs.
Buying Guide
Custom Food Packaging Guide
Custom food packaging for jerky, granola, snacks, and retail food — barrier bags, grease-resistant cartons, food-safe board, and MOQ tiers for CPG brands.
Buying Guide
Custom Gift Boxes Guide
Custom gift boxes — rigid, folded, heart-shaped, and customizable formats with logo print, foil, inserts, and MOQ tiers for retail and corporate gifting.
Buying Guide
Custom Shaped Boxes Guide
Custom shaped boxes — round, tin, triangular, roll, and specialty die-cut formats with print options and MOQ tiers for retail and gift brands.
Buying Guide
Folding Cartons & Tuck Boxes Guide
Tuck boxes and folding cartons explained — straight-tuck vs reverse-tuck, retail use cases, board grades, print options, and MOQ tiers for CPG brands.
Buying Guide
Holographic & Luxury Packaging Guide
Holographic packaging and luxury packaging — holographic boxes, hologram packaging, high end packaging finishes, foil, emboss, and rigid gift box programs.
Buying Guide
Standard Packaging Dimensions Guide
Standard size of box and common packaging dimensions — cereal, tissue, milk carton, pizza box sizes, length width height explained, plus box size calculator.
Buying Guide
Toy & Collectible Packaging Guide
Toy packaging and collectible boxes — action figure box, doll boxes, ornament packaging, mobile phone boxes, window cartons, and retail display options.
Buying Guide
Types of Mailers Compared
Types of mailers explained — corrugated mailer boxes, poly mailers, bubble mailers, mylar bags, and subscription box formats. Sizes, MOQs, and when each wins.
Buying Guide
Custom Packaging for Small Business
Compare custom packaging for small business — MOQs, pricing tiers, samples, and what to ask suppliers before your first branded box order.
Buying Guide
Low MOQ Custom Mailer Boxes Guide
Order custom mailer boxes from BoxYourBrand starting at 50 units — low MOQ for small businesses, free proofs, $25 samples. Get a quote in 2 hours.
Buying Guide
Custom Packaging Tape Guide
Compare custom packaging tape and custom tape for packaging — materials, print methods, per-roll costs, and when branded seals beat plain kraft tape.
Buying Guide
Cosmetics Packaging Guide
Cosmetics packaging guide for beauty brands — box types, materials, finishes, retail vs DTC, and how to plan your first custom cosmetic packaging order.
Buying Guide
Custom Presentation Boxes Guide
Custom presentation boxes guide — types, materials, design tips, and how to choose the right size and style for memorable gift unboxing.
How-to Guides
USPS Cubic Custom Packaging Guide
Learn what cubic custom packaging USPS means, how Cubic pricing tiers work, and which box sizes qualify — plus when custom mailers beat flat-rate options.
Design Tips
Custom Packaging Design Guide
Custom packaging design file requirements — dielines, bleed, color modes, and proof approval steps for mailer boxes, cartons, and retail packaging.
Buying Guide
Custom Jewelry Packaging Guide
Custom jewelry packaging guide — ring boxes, necklace cases, pouches, inserts, MOQs, and what to order first for ecommerce and retail.
Buying Guide
Custom Packaging Bags Guide
Custom packaging bags compared — paper, kraft, and poly mailers for retail, ecommerce, and food brands. MOQs, print methods, and format fit.
Buying Guide
Food Packaging Bags: Types & Buying Guide
Food packaging bags compared: kraft paper, poly, and pouch formats, food-safe barriers, print options, MOQs, and which bag fits each food product.
Buying Guide
Custom Apparel Packaging Guide
Custom packaging for clothing and custom apparel packaging — mailer boxes, poly mailers, tissue, and shipper combos for DTC and wholesale apparel brands.
How-to Guides
Packaging Stickers & Labels Guide
Custom packaging stickers and custom packaging labels — seal stickers, product labels, hang tags, and box stickers compared with MOQs and file setup.
Buying Guide
Custom Pizza Boxes Guide — Sizes & Print
Custom pizza boxes guide for pizzerias and ghost kitchens — standard sizes, grease-resistant materials, logo printing, MOQ tiers, and how to order wholesale.
Buying Guide
Best Custom Mailer Boxes for Ecommerce
Best custom mailer boxes for ecommerce in 2026 — E-flute vs kraft, interior print, MOQ, and when mailers beat poly or shipping boxes.
Design Tips
POP Display Boxes Guide
POP display boxes for impulse sales — header design, product visibility, litho-lam print, and in-store assembly tips for retail CPG brands.
Buying Guide
Plastic vs Cardboard Corrugated Boxes
When to choose corrugated plastic boxes versus standard corrugated cardboard mailers and shippers — moisture, reuse, weight, and print options.
Buying Guide
Counter Display vs Floor Display Guide
Counter display vs floor display compared — placement, cost, SKU capacity, litho print, and planogram tips for retail POP programs.
Buying Guide
Custom Cardboard Display Boxes Guide
Custom cardboard display boxes for retail — litho-lam corrugated, counter units, shelf-ready trays, and floor POP formats for CPG brands.
How-to Guides
Custom Design Mailer Boxes Guide
How custom design mailer boxes use interior print, patterns, and messaging to improve unboxing UX for ecommerce and subscription brands.
Buying Guide
Kraft vs White Corrugated Mailers
Compare custom kraft mailer boxes and white corrugated mailers — aesthetics, print results, sustainability messaging, and ecommerce use cases.
Buying Guide
Custom Mailing Boxes with Logo
How to spec custom mailing boxes with logo print — file formats, color modes, placement zones, and proofing for ecommerce mailers.
Buying Guide
Custom Plastic Packaging Bags Guide
Custom plastic packaging bags for retail — bag styles, film gauge, hang holes, barcode panels, and omnichannel spec basics.
Buying Guide
Custom Plastic Packaging Types Guide
Custom plastic packaging types explained — stand-up pouches, flat bags, zipper pouches, and clamshells with film, barrier, and MOQ guidance.
Design Tips
Custom Cosmetic Box Design Checklist
A design checklist for custom printed cosmetic boxes — dielines, color, regulatory panels, finishes, and proofing before production.
Buying Guide
Luxury Cosmetic Packaging Finishes
How luxury cosmetic packaging boxes use rigid board, foil, soft-touch lamination, and embossing to elevate beauty brands on shelf and in unboxing.
Buying Guide
Plastic Packaging vs Paperboard Guide
Plastic packaging vs paperboard compared — barrier properties, shelf presentation, sustainability, and hybrid programs for CPG brands.
How-to Guides
Shelf-Ready Packaging & Planogram Guide
Shelf-ready packaging planogram guide — retailer dimensions, tray strength, barcode alignment, and SRP engineering for cardboard retail displays.
How-to Guides
Small Cosmetic Boxes Sizing Guide
How to size small cosmetic boxes for lipsticks, serums, sample kits, and PR mailers — dimensions, inserts, and wholesale considerations.
How-to Guides
How to Spec Custom Plastic Packaging
How to spec custom plastic packaging for your first order — dimensions, film structure, regulatory panels, MOQ, and sampling steps.
Buying Guide
Wholesale Cosmetic Boxes MOQ Guide
A practical guide to cosmetic boxes wholesale and custom cosmetic boxes wholesale — typical MOQs, pricing drivers, and how to plan your first production run.
Buying Guide
Custom Mailer Box MOQ Guide
Practical guide to custom mailer box MOQ: typical minimums, what drives quantity requirements, and how to plan your first production run.
Buying Guide
Custom Packaging Cost Factors
Understand custom packaging cost factors including box type, dimensions, print, finishes, MOQ, and shipping — plus how to get an accurate quote.
Buying Guide
Mailer Box vs Shipping Box Guide
Mailer box vs shipping box compared for ecommerce — structure, protection, DIM weight, branding, cost, and when to use each format.
How-to Guides
Shopify Packaging Checklist
Shopify packaging checklist for ecommerce sellers: box selection, branding, inserts, sustainability, carrier requirements, and unboxing experience.
Buying Guide
Custom Packaging Guide for Ecommerce 2026
Custom packaging guide for ecommerce in 2026 — box types, materials, branding, cost drivers, and how packaging lifts retention.
Buying Guide
Custom Packaging Materials Guide
Guide to custom packaging materials for ecommerce: corrugated, kraft, rigid boxes, and folding cartons compared by cost, durability, and sustainability.
How-to Guides
Mailer Box Sizes Guide for Ecommerce
Mailer box sizes for ecommerce — how to measure, control dimensional weight, avoid common mistakes, and pick sizes by product category.
Sustainability
Eco-Friendly Packaging Guide 2026
Eco-friendly packaging 2026 for US brands — recycled content, compostable vs recyclable claims, grease-resistant coatings, and sourcing.
Design Tips
Design a Shareable Mailer Box
Five practical steps to design a custom mailer box that customers want to photograph and share in 2026 — interior print, inserts, reveal sequencing, and TikTok-ready unboxing.
Buying Guide
Corrugated Flute Types Explained (2026 Guide)
A clear 2026 comparison of A, B, C, and E corrugated flute types — thickness, cushioning, print quality, and the best uses for shipping and mailer boxes.
How to Use Packaging Tools & Guides Together
Start with measurements. Run the box size calculator or packaging size wizard to translate product dimensions into internal and external box specs. Follow with the DIM weight calculator when carrier chargeable weight affects margin, and the box volume calculator for warehouse slotting and pallet planning.
Apply channel context. Ecommerce DTC teams should read the mailer box size guide, Shopify packaging checklist, and mailer box vs shipping box guide after sizing. Retail and CPG brands benefit from guides on retail display boxes guide, planogram compliance, and counter vs floor display formats.
Close the loop with production. Guides on packaging cost factors, packaging materials, mailer box MOQs, and low-MOQ mailer ordering explain what drives quotes before you submit dimensions. Pair calculator share links with your RFQ so sales engineering sees the same numbers your team validated internally.
Packaging Topics Covered in Our Resource Library
Ecommerce & DTC fulfillment — Mailer box sizing, interior print, unboxing design, dimensional weight, and Shopify-specific packaging workflows for brands shipping direct to consumers.
Retail & POP displays — Cardboard display boxes, shelf-ready formats, counter and floor units, impulse merchandising, and planogram compliance for CPG and specialty retail.
Beauty & cosmetics — Cosmetic box design checklists, luxury finishing options, small-box sizing for lipsticks and serums, and wholesale MOQ planning for beauty lines.
Materials & sustainability — Corrugated flute comparisons, kraft vs white mailers, plastic vs paperboard packaging, and the 2026 eco-friendly packaging guide for responsible sourcing decisions.
Buying & production — Cost factor breakdowns, MOQ guides, file formats for logo placement, and format comparisons that help finance and operations teams budget packaging programs with confidence.
Industry data & benchmarks — Packaging statistics with cited third-party research on ecommerce growth, sustainability, shipping economics, and consumer purchase behavior.
Packaging Resources FAQ
Common questions about BoxYourBrand packaging calculators, guides, and how to move from planning resources to custom packaging quotes and samples.
What packaging resources does BoxYourBrand offer?
BoxYourBrand offers free packaging calculators (box size, DIM weight, volume, unit converters, and a packaging size wizard), plus a library of custom packaging guides on mailer boxes, materials, MOQs, retail displays, cosmetic packaging, and sustainability. All resources are free to use with no account required.
Which packaging calculator should I use first?
Start with the box size calculator or packaging size wizard to convert product measurements into box dimensions. Then use the DIM weight calculator if shipping cost is a concern, and the box volume calculator for warehouse and pallet planning. The tools hub includes a comparison table that matches each tool to its best use case.
Are the packaging guides written for ecommerce or retail brands?
Both. Guides cover ecommerce DTC workflows (mailer sizing, Shopify packaging, unboxing design) and retail CPG topics (display boxes, planograms, counter vs floor units). Filter by category tags on each guide card — Buying Guide, Guides, Design Tips, and Sustainability.
How do I move from resources to a custom packaging quote?
Validate dimensions with our free tools, read the guides relevant to your format and channel, then request a free quote with your target size, quantity, and artwork status. Attach calculator or wizard share links so our team sees the same specs you used internally. Order samples if you need to confirm fit before production.
How often are packaging guides updated?
Guides are reviewed and updated as materials, carrier rules, and industry standards evolve. Major buying guides include year markers (for example, 2026 ecommerce packaging trends) so you can trust recommendations reflect current production and sustainability practices.
Can I link to BoxYourBrand packaging tools from my internal wiki?
Yes. All calculators and guides are public and free to bookmark or share with co-packers, 3PLs, and suppliers. Shareable wizard URLs let overseas factories see the same dimension assumptions your team validated.
What are the 5 P's of packaging?
In marketing, the 5 P's are Product, Price, Place, Promotion, and Packaging — packaging is the tangible touchpoint that reinforces brand at shelf and unboxing. In operations, teams often frame packaging as Protect (product safety), Present (brand and retail appeal), Promote (marketing on every shipment), Preserve (shelf life and compliance), and Perform (right-sized for cost and sustainability). Both lenses help brands justify custom specs beyond a plain brown box.
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