Guide · Chocolate boxes

What size chocolate box do I need for truffles and bars?

Short answer: Size custom chocolate boxes around a 1.25 × 1.25 inch square cell per truffle plus divider thickness: 3.25 × 3.25 × 1.25 inches for 4 pieces, 4.75 × 4.75 × 1.25 inches for 9 pieces, and 6.25 × 6.25 × 1.25 inches for 16 pieces. Standard 3 oz bars use a 3.125 × 0.45 × 6.25 inch envelope.

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4-piece, 9-piece, and 16-piece partitioned chocolate truffle boxes next to a craft bar envelope
On this page
  1. How do you calculate inside box dimensions for partitioned truffles and bonbons
  2. What are the standard chocolate box sizes for truffle grids and craft bars
  3. How do you measure a foil-wrapped bean-to-bar chocolate tablet for an outer carton
  4. Should a 16-piece or 24-piece chocolate box be one flat layer or two stacked layers
  5. What size box fits chocolate-covered strawberries, bark, and hot cocoa bombs
  6. Common mistakes
  7. FAQs
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Legacy candy catalogs still label boxes by weight (such as quarter-pound, half-pound, or one-pound ballotins), but modern chocolatiers and bean-to-bar makers size packaging by cavity grid mathematics and polycarbonate mold dimensions. Most hand-rolled truffles and molded bonbons measure 1.0 to 1.15 inches across and sit inside a fluted paper cup that requires a 1.25 × 1.25 inch square pocket. Multiplying that 1.25 inch cell by your column and row count - and adding 1/16 inch per interlocking paperboard divider strip plus perimeter clearance - gives you the exact inside length and width for 2, 4, 6, 9, 16, or 24 pieces. For interior height, measure your tallest bonbon in its paper cup and add 1/8 inch for a multi-ply glassine cushion pad (usually 1.25 inches total). At CubitPack, every box and divider is cut to your exact inside measurements with zero die charges.

How do you calculate inside box dimensions for partitioned truffles and bonbons?

When sizing a partitioned truffle box, never simply multiply the bare chocolate diameter by the number of pieces in a row. Three small allowances add up across the width of the box: the flared rim of the fluted paper bonbon cup, the thickness of each vertical paperboard partition strip, and a tiny breathing margin so the assembled grid drops into the base tray without buckling. Start by placing your largest molded bonbon or hand-piped truffle inside the exact paper or foil cup you use in production. A standard #3 or #4 fluted candy cup expands to roughly 1.20 inches across the top pleats, which sits cleanly inside a 1.25 × 1.25 inch cell pocket. Next, add roughly 0.06 inches (1/16 inch) for each internal divider wall plus 0.125 inches along the outer perimeter walls. For interior depth, a 0.95-inch-tall truffle in a paper cup topped by a 0.15-inch multi-ply glassine candy pad needs 1.25 inches of inside height so the lid closes flush without flattening the chocolate dome. When you request a quote for custom printed chocolate boxes, give us your cell size and grid layout so we engineer the base, lid, and divider together.

  1. Cell width & length: allow 1.25 × 1.25 inches for standard 10g to 15g bonbons in fluted cups (or 1.5 × 1.5 inches for jumbo truffles).
  2. Divider allowance: add 1/16 inch (0.0625 in) for every interlocking paperboard partition strip crossing the box.
  3. Candy pad headroom: add 1/8 inch (0.125 in) above your tallest piece for a multi-ply glassine top cushion pad.
  4. Thermoformed trays: if using a stock PET or PVC cavity tray, measure the outer perimeter flange of the plastic tray and add 1/16 inch.

What are the standard chocolate box sizes for truffle grids and craft bars?

Whether you are launching a Valentine's Day bonbon collection, a single-row cacao flight, or a line of single-origin tablets, starting from proven confection benchmarks speeds up your structural planning. Review the inside dimensions (Length × Width × Height in inches) in the table below. Notice that truffle boxes use a shallow 1.25 inch single-layer depth (or 2.25 inches for a stacked two-layer 1-pound ballotin with a center layer board), whereas bean-to-bar chocolate envelopes are tall, ultra-thin pockets measuring only 0.375 to 0.50 inches deep.

Confection count or bar weightTypical inside size (L × W × H)Usual interior & box style
2 truffles (1 × 2 favor)3.0 × 1.625 × 1.25 in2-cell divider in two-piece or tuck box
4 truffles (2 × 2 square)3.25 × 3.25 × 1.25 inCross partition in two-piece lift-off box
6 truffles (3 × 2 or 6 × 1 flight)4.75 × 3.25 × 1.25 in (or 8.5 × 1.625 × 1.25 in)6-cell grid or single-row drawer sleeve
9 truffles (3 × 3 square)4.75 × 4.75 × 1.25 in9-cell slotted partition in two-piece box
16 truffles (4 × 4 half-pound)6.25 × 6.25 × 1.25 in16-cell grid + candy pad in two-piece or rigid box
24 truffles (6 × 4 one-pound)9.25 × 6.25 × 1.25 in24-cell grid in two-piece or magnetic coffret
50g to 60g mini craft bar2.625 × 0.375 × 5.25 inStraight tuck end or reverse tuck envelope
70g to 100g (2.5–3.5 oz) standard bar3.125 × 0.45 × 6.25 inStraight tuck end or seal-end bar wallet
6 chocolate-dipped strawberries7.5 × 5.0 × 2.0 inWindow tuck box with 6-cell card divider

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How do you measure a foil-wrapped bean-to-bar chocolate tablet for an outer carton?

Bean-to-bar chocolate makers pour tempered chocolate into polycarbonate molds (typically 50g, 70g, 85g, or 100g), wrap the cooled tablet in gold, silver, or glassine-backed foil, and slide the wrapped bar into a printed paperboard envelope. The most common mistake is sizing the paperboard carton directly from the polycarbonate mold cavity catalog dimensions. When you fold aluminum foil or flow-wrap film around the back and ends of a chocolate bar, the overlapping corner folds add roughly 1/16 inch to the width and 3/32 inch to the thickness. Also, if you make inclusion bars studded with whole roasted hazelnuts, freeze-dried raspberries, cacao nibs, or pretzel pieces, the back of the bar will sit 1/8 inch thicker than a smooth 70% dark bar poured in the exact same mold. Always wrap three sample bars - including your chunkiest inclusion flavor - and measure the wrapped width, wrapped height, and maximum thickness before setting the depth of your custom straight tuck end boxes.

Three foil-wrapped bean-to-bar chocolate tablets sliding into custom tuck-end bar envelopes

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Should a 16-piece or 24-piece chocolate box be one flat layer or two stacked layers?

When packing 16, 24, or 32 pieces, you can either spread every bonbon across a single flat presentation layer or stack two layers inside a deeper traditional Belgian ballotin. A single-layer 4 × 4 (6.25 × 6.25 × 1.25 in) or 6 × 4 (9.25 × 6.25 × 1.25 in) custom two-piece box shows off every hand-painted cocoa butter design the instant the customer lifts the lid, and matches one-to-one with a printed inside-lid flavor map. A two-layer box - such as a 4.75 × 4.75 × 2.375 inch box holding two stacked 3 × 3 trays of 9 pieces separated by a flat paperboard layer card and two glassine candy pads - creates a compact, dense cube that feels substantial in the hand and fits into smaller gift bags. Choose single-layer boxes when visual variety and an inside-lid menu are your top priority, and two-layer ballotins when compact table footprint or traditional European presentation matters most. On two-layer assortments, place heavier solid pralines and caramels in the bottom tier and lighter hollow or piped ganache shells in the upper tier.

Open 16-cell single-layer bonbon box compared with a deep two-layer chocolate ballotin

What size box fits chocolate-covered strawberries, bark, and hot cocoa bombs?

Seasonal confections like long-stem chocolate-dipped strawberries, peppermint bark slabs, and hollow 2.5-inch hot cocoa bombs require much more vertical clearance than 1-inch ganache bonbons. Medium to large dipped strawberries sit about 1.65 to 1.85 inches tall on their sides in fluted baking cups, so a 6-berry box needs a 2.0-inch interior height (7.5 × 5.0 × 2.0 in) and a 12-berry box typically measures 10.0 × 7.5 × 2.0 inches. If you leave long green stems attached to giant berries, allow 2.5 inches of cell length per berry so stems never fold against the paperboard dividers. For hollow hot cocoa bombs - which are usually molded in 2.25-inch or 2.5-inch silicone hemispheres - size a single-bomb gift cube to 2.75 × 2.75 × 2.75 inches, a 3-bomb window sleeve to 8.25 × 2.75 × 2.75 inches, or a 4-bomb square box with a custom cardboard insert to 5.75 × 5.75 × 2.75 inches. Because unwrapped chocolate bark and dipped berries can leave cocoa-butter marks on bare board, always request food-safe grease-resistant liners on your quote.

  1. 6 dipped strawberries (3 × 2 layout): 7.5 × 5.0 × 2.0 in with a 6-cell divider or fluted #6 baking cups.
  2. 12 dipped strawberries (4 × 3 layout): 10.0 × 7.5 × 2.0 in with a clear top window patch.
  3. Half-pound chocolate bark slab: 6.0 × 6.0 × 1.0 in two-piece or window tuck box with a glassine liner.
  4. 3 hollow hot cocoa bombs (2.5 in spheres): 8.25 × 2.75 × 2.75 in window sleeve with a 3-cell divider.

What are the most common chocolate box sizing mistakes?

A tight lid scuffs tempered bonbon shells, while a loose bar wallet lets tablets snap in half. Check these five sizing mistakes before approving your dieline

  1. Multiplying truffle diameter by piece count without adding 1/16 inch per interlocking paperboard divider strip.
  2. Sizing a chocolate bar carton from bare polycarbonate mold numbers instead of measuring a foil-wrapped bar with folded seams.
  3. Forgetting to add 1/8 inch of interior height for a top glassine candy pad, causing the lid to press into soft ganache toppings.
  4. Using a 0.375-inch-deep bar envelope for chunky nut, berry, or pretzel inclusion bars that need 0.50 inches of depth.
  5. Ordering a 1.25-inch-shallow truffle box for chocolate-dipped strawberries that need 2.0 inches of vertical clearance.

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Suggested inside size: 3.25 × 3.25 × 1.25 in

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FAQ

Questions about chocolate boxes

What size is a standard single cavity in a chocolate truffle box?

A standard single truffle or bonbon cavity measures 1.25 × 1.25 inches square with an interior box height of 1.25 inches. That pocket comfortably fits a 1.0 to 1.15 inch chocolate piece sitting inside a pleated #3 or #4 paper candy cup.

Can CubitPack size the outer box and the inner grid divider together?

Yes. Simply tell us the diameter and height of your bonbon (or send us your cavity count, such as a 3 × 3 or 4 × 4 grid), and our design team will draw both the outer box dieline and the interlocking paperboard partition to match.

What size box fits a standard 3 oz (85g) craft chocolate bar?

Most 3 oz (85g) and 3.5 oz (100g) foil-wrapped craft chocolate bars fit a 3.125 × 0.45 × 6.25 inch straight-tuck or seal-end paperboard envelope. Always measure your wrapped bar across its thickest folded foil seam so it slides in smoothly.

How much clearance do I need if I use a plastic thermoformed chocolate tray?

Measure the total outer length, outer width across the bottom rim flange, and total height of your thermoformed PET or PVC cavity tray, then add 1/16 inch on length and width so the tray drops into the paperboard base without bowing the walls.

What is the best box size for a dozen chocolate-covered strawberries?

A dozen medium-to-large chocolate-dipped strawberries arranged in a 4 × 3 grid typically fits a 10.0 × 7.5 × 2.0 inch window tuck box or two-piece box. The 2.0 inch height keeps drizzled toppings clear of the window film.

Can I order a custom bar envelope size with no die fee?

Yes. CubitPack charges zero die or plate fees on any custom dimension, whether you pour mini 25g tasting squares, long slim baton bars, or thick 150g sharing tablets. You approve a free digital proof and 3D mockup before payment.

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How we made this guide

The sizing formulas in this guide are built from standard 1.25 inch chocolatier bonbon cups, interlocking paperboard partition calipers, glassine candy pad thicknesses, and 50g to 100g polycarbonate bar molds. A packaging specialist verified every row. Spot an error? Tell us and we will fix it.

Published October 22, 2026Updated October 22, 2026Next review January 20, 2027
Sources
  1. Paperboard partition caliper and folding carton score allowances
  2. Net weight and nutrition panel sizing on retail chocolate bar envelopes
What changed
  • October 22, 2026: First published.
  • October 22, 2026: Updated specifications, terminology, and verified source links.
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