Box Size Calculator
Calculate internal and external box dimensions for your products.
Resources
Buying guides, design tips, and sustainability know-how to help you choose and design better packaging.
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.
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.
Calculate internal and external box dimensions for your products.
Compare FedEx, UPS, and USPS dimensional weight and chargeable weight.
Get cubic inches for shipping from L×W×H, plus cubic feet, liters, gallons, and pallet estimates.
Convert inches to millimeters instantly for packaging and product dimensions.
Convert mm to inches (254 mm = 10 in, 302 mm ≈ 11.89 in) for US shipping specs and box dimensions.
Convert centimeters to inches for international packaging specs and product listings.
Convert inches to centimeters for EU suppliers, metric die lines, and global packaging.
Convert pounds to kilograms (302 lb ≈ 136.98 kg) for international shipping weight and customs.
Convert kg to lbs (302 kg ≈ 665.8 lb, 0.45 kg ≈ 0.99 lb) for US carrier weight tiers.
Get recommended box dimensions, materials, styles, and printing by industry and purpose.
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.
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.

Spec custom gable boxes for takeout, bakery, and favors — handle locks, grease resistance, sizes, kraft vs print, and a quote checklist for food programs.

Order custom packaging samples with a clear test plan — fit, board feel, print, finishes, and when a $25 sample kit beats guessing before production MOQ.

Spec custom packaging trays for kits and retail — paperboard vs molded pulp vs thermoform, nesting, sleeve pairs, and a quote checklist for precise cavities.

Choose custom pillow boxes for gifts, jewelry, and favors — sizes, kraft vs SBS, windows, flat-ship assembly, and when to step up to rigid cartons.

Choose custom soap boxes for artisan and bath brands — kraft tuck-end, windows, sleeves, moisture tips, sizing, and a quote checklist before production.

Spec custom tea boxes for sachets, tins, and gift assortments — moisture strategy, cavity design, hang tabs, and a quote checklist for specialty retail.

Spec custom watch boxes for microbrands and luxury lines — rigid lift-lid vs drawer, cushion fit, finishes, travel sets, and a quote checklist.

Spec die-cut window boxes for retail — custom cutouts, PET panels, food-safe options, recyclability tradeoffs, and a quote checklist for shelf programs.

Choose high-end packaging with a clear brief — when rigid beats folding cartons, which finishes earn the cost, MOQ reality, and how to pick a luxury packaging supplier.

How to request a free packaging quote that comes back usable — what specs to send, when samples come first, volume tiers, and mistakes that delay pricing.

Choose custom kraft boxes for retail and boutique — tuck-end cartons vs kraft mailers, print on brown board, eco claims, finishes, and a quote checklist.

Paperboard product-wrap sleeves vs stretch and LLDPE sleeve film — when to use cardboard multipack wraps, when film wins, and how to avoid ordering the wrong sleeve.

Choose recyclable packaging for ecommerce and retail — recycled vs recyclable, coatings that block recycling, curbside-ready boxes and mailers, and a buyer checklist before you quote.
How to choose box partitions and dividers — corrugated cells, pulp inserts, foam cavities, cell counts for bottles and jars, and when partitions beat void fill.
Club store multi-pack packaging — full-wrap sleeves, corrugated trays, case-pack ECT, pallet patterns, and artwork specs for warehouse club retail programs.
Custom sleeve boxes explained — full-wrap vs belly sleeves, sizing, print finishes, MOQ tiers, and when sleeves beat redesigning primary packs.
Deli packaging boxes and wraps compared — clamshells, wax and butcher paper, grease barriers, PFAS-free specs, and branded takeout for delis and QSR.
Set packaging dieline bleed (usually ⅛"), safe zones, and fold clearance correctly — avoid white edges, clipped logos, and proof delays on custom boxes.
Digital vs offset packaging print compared — MOQ breakpoints, color consistency, lead time, unit cost curves, and when flexo fits mailers and cartons.
Dimensional weight rules for USPS, UPS, and FedEx — divisors, cubic tiers, billable weight logic, and how to right-size mailers and shippers to cut per-order cost.
Use ECT for stacking and modern parcel/case-pack specs; use Mullen when puncture or legacy POs matter. Compare both and choose board grade for US shipping.
Foil stamping vs embossing on custom packaging — visual impact, MOQ, lead time, board requirements, and when luxury brands combine both on cartons and rigid boxes.
Frozen food packaging explained — moisture barriers, cold-chain integrity, SBS vs PE-lined board, window cartons, and custom carton specs for freezer retail and DTC.
Compare mailer boxes, poly mailers, and bubble mailers for ecommerce — protection, DIM weight, branding, cost per order, and when each format wins.
Multi-pack cartons for retail and club — tray-and-sleeve bundles, banded twin packs, corrugated outers, sizing for planograms, and MOQ planning for CPG launches.
Packaging glossary for buyers — ECT, Mullen, RSC, dieline, flute, MOQ, SRP, DIM weight, and 20 terms used in quotes, specs, and retailer meetings.
PFAS-free food board explained — grease barriers without forever chemicals, state restrictions, FDA context, and how to spec compliant takeout and bakery cartons.
Planogram display packaging explained — shelf-ready trays, facing depth, barcode zones, SRP shipper displays, and how to spec POP for retail buyer compliance.

Rigid luxury gift boxes compared — magnetic closure, drawer reveal, lift-lid presentation, wrap materials, MOQ tiers, and when rigid beats folding cartons.
SBS vs kraft food board compared — print quality, grease barriers, PFAS rules, recyclability claims, and which board to spec for takeout, bakery, and CPG cartons.
Serum bottle packaging boxes explained — dropper and pump carton sizing, die-cut inserts, glass protection, regulatory panels, and MOQ for beauty brands.
Tamper-evident packaging for food, beauty, and supplements — shrink bands, breakaway tabs, sealed clamshells, void tape, and retail compliance considerations.
USPS Priority Mail Cubic pricing in plain English — 0.1–0.5 tiers, weight caps, qualification rules, worked examples, and how to size mailer boxes to stay in cubic.

Burger box packaging explained — box sizes by build height, steam venting, grease barriers, PFAS rules, delivery stacking, and how to order custom burger boxes.

Coffee shop packaging explained — cup and lid compatibility, sleeves, boba sealing film, retail coffee boxes, label rules, MOQ tiers, and a staged rollout plan.

Custom foam inserts explained — PE, PU, EVA and XLPE foam, density and compression, cavity tolerances, anti-static grades, drop testing, and paper alternatives.

Golf ball packaging explained — sleeve and dozen box dimensions, inserts, retail vs corporate gifting formats, print finishes, shipping tests, and MOQs.

Greeting cards packaging — card and envelope sizes, sleeve and box formats, wholesale display, postal protection, material comparisons, and MOQ tiers.

PR package meaning in plain English: a free influencer kit built for unboxing. What to include, budget ranges, box specs that get filmed, and how to measure results.

Custom drawstring bags for events, gym, and retail — fabric options, print methods, small cinch bags, and bulk MOQ guidance.

Custom reusable shopping bags and grocery totes — non-woven, cotton, and laminated formats with logo print, load ratings, and bulk MOQ guidance.

How to label a package for shipping and branding — carrier labels, custom stickers, product labels, and hang tags with placement and MOQ tips.

Custom deli paper for sandwiches, wraps, and food counters — grease-resistant sheets, logo print, food-safe inks, sizes, and MOQ tiers for delis.

Custom plastic cups with logo for cafes and events — PET and PP formats, food-safe inks, size tiers, print methods, and bulk MOQ guidance.

Custom wrapping paper printing for retail and gifting — roll and sheet formats, repeat patterns, logo placement, ink options, and MOQ tiers.

Compostable mailers vs recycled corrugated boxes — cost, curbside recycling, compost claims, DIM weight, and which eco packaging format fits your brand in 2026.

Anti-static electronics packaging — ESD-safe inserts, packaging trays, drop-tested shippers, and retail display boxes for devices, accessories, and components.

Custom packaging dielines explained — how to read fold lines, bleed, safety zones, export vector files, and approve proofs before print production.

FDA food packaging requirements for US brands — food-contact materials, coatings, labeling panels, and specs for your first custom food box order.

Plan 2026 Halloween and Christmas candy packaging — halloween boxes, treat boxes, production timelines, and MOQ tiers for confectionery brands.

Design subscription boxes that scale — mailer formats, custom inserts, seasonal artwork swaps, inventory programs, and MOQ tiers for recurring DTC brands.

Corrugated boxes vs folding cartons compared — structure, cost, weight, print, shipping, sustainability, industries, and when to use each format.

Asian takeout food packaging for restaurants — chinese takeout boxes, tofu containers, waffle boxes, noodle packaging, food-safe board, and MOQ tiers.

Ice cream packaging and personalized ice cream cups — cone holders, bulk cup programs, beverage carriers, food-safe coatings, and MOQ tiers.

Branded boxes and personalized shipping boxes — custom delivery boxes, rectangular corrugated shippers, logo print, and MOQ tiers for ecommerce brands.

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.

Cereal box sizes and dimensions in inches — standard retail measurements, panel layout, cardboard specs, and how to order custom cereal boxes for CPG brands.

Custom candle packaging — rigid boxes, tuck cartons, subscription mailers, custom candle labels, and MOQ tiers for candle makers and DTC brands.

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.

Corrugated box types explained — RSC box, customize cardboard box, custom logo boxes, brand boxes, and white cardboard box programs with print specs and MOQs.

Custom food packaging for jerky, granola, snacks, and retail food — barrier bags, grease-resistant cartons, food-safe board, and MOQ tiers for CPG brands.

Custom gift boxes — rigid, folded, heart-shaped, and customizable formats with logo print, foil, inserts, and MOQ tiers for retail and corporate gifting.

Custom shaped boxes — round, tin, triangular, roll, and specialty die-cut formats with print options and MOQ tiers for retail and gift brands.

Tuck boxes and folding cartons explained — straight-tuck vs reverse-tuck, retail use cases, board grades, print options, and MOQ tiers for CPG brands.

Holographic packaging explained — holographic boxes, hologram seals vs foil laminates, holographic papers, and how to spec shimmer finishes without over-tooling pilots.

Standard size of box and common packaging dimensions — cereal, tissue, milk carton, pizza box sizes, length width height explained, plus box size calculator.

Toy packaging and collectible boxes — action figure box, doll boxes, ornament packaging, mobile phone boxes, window cartons, and retail display options.

Types of mailers explained — corrugated mailer boxes, poly mailers, bubble mailers, mylar bags, and subscription box formats. Sizes, MOQs, and when each wins.

Compare custom packaging for small business — MOQs, pricing tiers, samples, and what to ask suppliers before your first branded box order.

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.

Compare custom packaging tape and custom tape for packaging — materials, print methods, per-roll costs, and when branded seals beat plain kraft tape.

Cosmetics packaging guide for beauty brands — box types, materials, finishes, retail vs DTC, and how to plan your first custom cosmetic packaging order.

Custom presentation boxes guide — types, materials, design tips, and how to choose the right size and style for memorable gift unboxing.

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.

Custom packaging design file requirements — dielines, bleed, color modes, and proof approval steps for mailer boxes, cartons, and retail packaging.

Custom jewelry packaging guide — ring boxes, necklace cases, pouches, inserts, MOQs, and what to order first for ecommerce and retail.

Custom packaging bags compared — paper, kraft, and poly mailers for retail, ecommerce, and food brands. MOQs, print methods, and format fit.

Food packaging bags compared: kraft paper, poly, and pouch formats, food-safe barriers, print options, MOQs, and which bag fits each food product.

Custom packaging for clothing and custom apparel packaging — mailer boxes, poly mailers, tissue, and shipper combos for DTC and wholesale apparel brands.

Custom packaging stickers and custom packaging labels — seal stickers, product labels, hang tags, and box stickers compared with MOQs and file setup.

Custom pizza boxes guide for pizzerias and ghost kitchens — standard sizes, grease-resistant materials, logo printing, MOQ tiers, and how to order wholesale.

Compare the best custom mailer boxes for ecommerce — E-flute vs kraft, interior print, low MOQ, and when mailers beat poly or RSC shipping boxes.

POP display boxes for impulse sales — header design, product visibility, litho-lam print, and in-store assembly tips for retail CPG brands.

When to choose corrugated plastic boxes versus standard corrugated cardboard mailers and shippers — moisture, reuse, weight, and print options.

Counter display vs floor display compared — placement, cost, SKU capacity, litho print, and planogram tips for retail POP programs.

Custom cardboard display boxes for retail — litho-lam corrugated, counter units, shelf-ready trays, and floor POP formats for CPG brands.

How custom design mailer boxes use interior print, patterns, and messaging to improve unboxing UX for ecommerce and subscription brands.

Compare custom kraft mailer boxes and white corrugated mailers — aesthetics, print results, sustainability messaging, and ecommerce use cases.

How to spec custom mailing boxes with logo print — file formats, color modes, placement zones, and proofing for ecommerce mailers.

Custom plastic packaging bags for retail — bag styles, film gauge, hang holes, barcode panels, and omnichannel spec basics.

Custom plastic packaging types explained — stand-up pouches, flat bags, zipper pouches, and clamshells with film, barrier, and MOQ guidance.

A design checklist for custom printed cosmetic boxes — dielines, color, regulatory panels, finishes, and proofing before production.

How luxury cosmetic packaging boxes use rigid board, foil, soft-touch lamination, and embossing to elevate beauty brands on shelf and in unboxing.

Plastic packaging vs paperboard compared — barrier properties, shelf presentation, sustainability, and hybrid programs for CPG brands.

Shelf-ready packaging planogram guide — retailer dimensions, tray strength, barcode alignment, and SRP engineering for cardboard retail displays.

How to size small cosmetic boxes for lipsticks, serums, sample kits, and PR mailers — dimensions, inserts, and wholesale considerations.

How to spec custom plastic packaging for your first order — dimensions, film structure, regulatory panels, MOQ, and sampling steps.

A practical guide to cosmetic boxes wholesale and custom cosmetic boxes wholesale — typical MOQs, pricing drivers, and how to plan your first production run.

Practical guide to custom mailer box MOQ: typical minimums, what drives quantity requirements, and how to plan your first production run.

Understand custom packaging cost factors including box type, dimensions, print, finishes, MOQ, and shipping — plus how to get an accurate quote.

Mailer box vs shipping box compared for ecommerce — structure, protection, DIM weight, branding, cost, and when to use each format.

Shopify packaging checklist for ecommerce sellers: box selection, branding, inserts, sustainability, carrier requirements, and unboxing experience.

Custom packaging guide for ecommerce in 2026 — box types, materials, branding, cost drivers, and how packaging lifts retention.

Guide to custom packaging materials for ecommerce: corrugated, kraft, rigid boxes, and folding cartons compared by cost, durability, and sustainability.

Mailer box sizes for ecommerce — how to measure, control dimensional weight, avoid common mistakes, and pick sizes by product category.

Eco-friendly packaging trends for 2026 — recycled fiber baselines, compostable vs recyclable choices, coatings, and sourcing. For curbside claim checklists, see our recyclable packaging guide.

Five practical steps to design a custom mailer box customers photograph and share — interior print, inserts, reveal sequencing, and unboxing UX.

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.
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.
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.
Site map — Browse the full HTML sitemap for every indexable product, guide, tool, industry page, and location hub when you need a complete crawlable index of BoxYourBrand.
Common questions about BoxYourBrand packaging calculators, guides, and how to move from planning resources to custom packaging quotes and samples.
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.
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.
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.
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.
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.
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.
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.
Get a custom quote in minutes. No commitment, no pushy sales calls. Just great packaging at a fair price.