Free packaging tools
Packaging Tools & Calculators for Custom Boxes
Size, price, ship and prepare artwork for your custom boxes before you order. Ten free tools take you from the first measurement to an exact quote.
- Free, no sign-up
- Works in your browser
- Inches or millimetres
- Send results with your quote
Size & strength
Get the box right before you price it: the size your product needs, how much it can carry and how little board it wastes.
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Box Size Calculator
Turn your product’s size into inside and outside box dimensions, with clearance, cushioning and board thickness.
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Corrugated Box Strength (BCT)
Estimate compression strength with the McKee formula and check how many boxes you can stack safely.
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Material Waste Calculator
Measure empty space, board use and CO₂ for your box, and find a right-sized alternative.
Cost & shipping
Budget with confidence: typical price ranges, how quantity changes them and what carriers will bill to ship your box.
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Most complete
Packaging Estimator
Price range, outside size, shipping weight and what your budget buys, for any box, in one place.
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Instant Price Range
Compare typical custom box prices by type, size, quantity, printing and finishes.
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Dimensional Weight Calculator
See the weight carriers will bill for your box, using the divisors UPS, FedEx and DHL publish.
Artwork & print
Send print-ready files the first time: correct bleed and safe zones, colours that print as you expect and labels that fit.
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Bleed & Safe Zone Guide
Get bleed, trim and safe margins for boxes, labels and flat print, check image resolution and download a template.
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CMYK, RGB & HEX Converter
Convert brand colours for print and screen, then check total ink, rich black and text contrast.
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Label Size Recommender
Find the right label size for bottles, jars, tins and tapered containers, and match it to stock sizes.
Design & preview
See your packaging before it is printed, and share the design with your team or with us.
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3D Packaging Designer
Pick a box style, from tuck end cartons and mailers to rigid and food boxes. Set the size and material, add your logo and turn the box in 3D. Download a mockup and a concept print layout, then send your design with your quote request.
No tool matches that search. Try “size”, “price”, “shipping” or “colour”, or .
Which tool do I need?
Start with your question.
- What size box does my product need?Box Size Calculator
- How much will my custom boxes cost?Packaging Estimator
- How does quantity change the price?Instant Price Range
- What weight will carriers bill for my box?Dimensional Weight Calculator
- How high can I stack my boxes?Box Strength (BCT)
- Is my box too big for my product?Material Waste Calculator
- How much bleed does my artwork need?Bleed & Safe Zone Guide
- What CMYK values match my brand colour?CMYK, RGB & HEX Converter
- What label size fits my jar or bottle?Label Size Recommender
- What will my box look like?3D Packaging Designer
Built for real packaging decisions
Published methods
Industry formulas and published data, such as the McKee formula, carrier divisors, FDA label rules and WCAG contrast. Each tool explains its method.
Private by design
The calculators run in your browser. Nothing you type is sent to us until you choose to request a quote.
Your units
Work in inches, centimetres or millimetres. Results stay exact when you switch.
One step to a quote
Copy, print or send your results straight into our quote form, so you never type your specification twice.
Ready for an exact price?
Send your box size, quantity and artwork. We’ll confirm your price and the best way to make it.
Packaging tools FAQ
Are BoxNovo’s packaging tools free?
Yes. Every tool on this page is free to use, with no sign-up and no limit on how often you use it.
Which tool should I start with?
Start with the Box Size Calculator if you only know your product’s size, or the Packaging Estimator if you want cost, box size and shipping weight together.
Are the prices a quote?
No. The price tools show typical market ranges from published industry pricing so you can plan a budget. Request a quote for your exact price.
Is my information saved or shared?
No. The calculators work in your browser. Only what you submit in the quote form is sent to BoxNovo.
Can I use metric units?
Yes. The size-based tools work in inches, centimetres or millimetres, and the weight tools in pounds or kilograms.
How do I send my results to BoxNovo?
Use the quote button in any tool. It opens our quote form and adds your results for you, or copies them so you can paste them in. Add your contact details and artwork, then submit.