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Frame sizes

Diploma and graduation frames

Diploma frame sizes by school, how to measure a certificate before you buy, double-diploma layouts, and why diploma frames cost what they do.

By Reviewed
Illustration for Diploma and graduation frames — frame sizes guide on Zagi Frames
Contents · 8 sections
  1. 01Measure before you buy anything
  2. 02Why a mat is not optional here
  3. 03Frame sizes for common diplomas
  4. 04Double and multi-opening frames
  5. 05Tassels, medals and other objects
  6. 06Glazing and light
  7. 07Mounting the document
  8. 08Buying: branded or not

Diploma framing goes wrong in a predictable way: someone buys a frame based on the size they assume a diploma is, discovers it is a different size, and ends up with a document that has been trimmed, taped, or left in a drawer for a decade. Measuring first solves almost all of it.

Measure before you buy anything

Diploma sizes are not standardised. Across US institutions the common issue sizes are:

SizeTypical use
8.5 x 11The most common single size; many bachelor's degrees
8 x 10Older documents and some professional certificates
11 x 14Very common; many universities' standard
11 x 17Frequently doctoral and law degrees
12 x 15Some private institutions
A4 (8.3 x 11.7)Most non-US institutions

Measure the sheet itself, corner to corner, in both directions, with a ruler rather than a tape. Note whether the document has an embossed seal near an edge, because a mat opening has to clear it or cut across it.

If the diploma has not arrived yet, most registrars will tell you the dimensions if you ask. That is a two-minute email that saves a return.

Why a mat is not optional here

For most framing, matting is an aesthetic choice. For documents it is closer to a requirement.

It keeps paper off the glazing. In a humid room, paper pressed against glass will eventually bond to it. Separating a stuck document from glass without destroying it is a conservation job. A mat creates the air gap that prevents this outright.

It gives the document somewhere to sit. Diplomas are typographically formal, with wide printed margins already. Framed tight to the edge they look cramped; matted, they look like what they are.

It creates space for a plate. The engraved name-and-year plate that most people want is fitted to the mat, not the document.

The standard treatment is a double mat: an outer mat in a neutral colour and a thin inner reveal — usually an eighth to a quarter of an inch — in one of the institution's colours. It costs little more than a single mat and is the detail that makes a diploma frame look bought rather than assembled.

Frame sizes for common diplomas

DiplomaFrame, single matFrame, double mat with plate
8x1011x1412x16
8.5x1111x1412x15 or 14x17
A411x14 (with custom mat)12x16
11x1416x2016x20 or 18x22
11x1716x2218x24

The second column is larger because a name plate needs 1.5 to 2 inches of clear mat below the opening. If you plan to add one, buy for it now — retrofitting means recutting the mat.

Double and multi-opening frames

A double diploma frame holds two documents in one frame. Two arrangements are used.

Side by side suits two documents of the same size and reads as a pair. It needs a wide wall — two 8.5x11 openings with proper borders puts the frame at roughly 22x16 inches.

Stacked vertically suits documents of different sizes, with the more advanced degree conventionally placed above. It is easier to hang and takes less wall.

Both need more mat between the openings than around the outside edges, or the two documents read as one crowded block. Two to three inches between openings is the working figure.

Tassels, medals and other objects

A tassel cannot go under flat glazing. It has real thickness, and pressing it flat both ruins the tassel and embosses a mark into the document beside it.

The solutions, in ascending order of cost:

Spacers. Clear plastic strips that sit between the glazing and the mat, lifting the glass by an eighth to a quarter of an inch. Enough for a flattened tassel, not for a medal.

A deep-rabbet frame. A moulding with half an inch or more of depth, giving room for a tassel arranged rather than crushed.

A shadow box. A purpose-built deep frame, typically one to three inches internally, that holds a diploma, a tassel, a cord and a photograph together. This is the right answer if you want to display more than a document, and it is a different purchase from a diploma frame.

Glazing and light

Diplomas are hung in offices, corridors and studies, often opposite a window, and they stay there for thirty years. That is the exact recipe for fading: printed ink loses density, coloured seals shift, and the paper itself yellows unevenly where a mat has shielded part of it.

UV-filtering acrylic blocks the great majority of ultraviolet light and adds a modest amount to the cost of a frame. For a document that cannot be reprinted, it is the most worthwhile upgrade available. Standard glass blocks very little UV; standard acrylic blocks somewhat more but is not marketed for it.

The other thing that helps costs nothing: do not hang it in direct sun. No glazing available saves a document from a south-facing window over decades.

Mounting the document

Never glue, never tape across the face, never dry-mount an original.

The correct method is hinging: two small archival hinges — Japanese tissue with wheat starch paste, or a purpose-made archival hinging tape — attached to the top edge of the document only. The document then hangs from the top and is free to expand and contract with humidity. Attaching all four edges causes the paper to buckle as it moves.

For a diploma you are not precious about, photo corners are a perfectly good alternative. They touch no adhesive to the document at all and are completely reversible.

Buying: branded or not

University-licensed frames are sold through campus stores and licensed manufacturers. What you are paying for is the embossed mat with the institution's name and seal in the correct colours, which is genuinely not something you can approximate at home, plus a licence fee.

What you are usually not getting is a better frame. The mouldings on branded diploma frames are ordinary, and the glazing is frequently plain acrylic rather than UV.

If the embossing matters to you, one good option is to buy the licensed mat on its own where it is offered, and pair it with a better frame and UV glazing bought separately. It costs about the same and produces a noticeably better object. If the embossing does not matter, an 11x14 frame with a custom double mat will do everything a licensed frame does for a fraction of the price.

10 questions

Frequently asked questions

What size frame do I need for a diploma?

Measure the diploma first — sizes vary far more than people expect. The most common are 8.5x11, 11x14 and 11x17, but 8x10, 12x15 and metric sizes all appear. A frame bought on the assumption of 8.5x11 has a real chance of being wrong.

What is the standard diploma size?

There is no universal standard. US universities most often issue 8.5x11 or 11x14, with 11x17 common for doctoral degrees. Institutions outside the US frequently use A4. Always measure rather than assume.

Why are diploma frames so expensive?

Three reasons. They are usually sold with a custom-cut double mat and an embossed or engraved plate, which are labour rather than materials. They are often licensed by the university, which adds a royalty. And they are bought once, emotionally, which is not a market that competes hard on price.

Should a diploma be matted?

Yes. A mat holds the document off the glazing, which stops it sticking in humidity, and it gives space for a name plate or a tassel. A double mat in the school colours is the conventional treatment and genuinely looks better than a bare document.

What is a double diploma frame?

A single frame with two openings, for displaying two degrees together — commonly a bachelor's and a master's. Openings can be side by side or stacked, and the frame needs to be significantly larger than two single frames' worth of opening to keep the proportions right.

Can I frame a diploma with the tassel?

Yes. A shadow box or a deep-rabbet frame with a spacer gives the depth a tassel needs. A standard frame does not — pressing a tassel under glazing crushes it and marks the document.

What glass should a diploma frame use?

UV-filtering glazing, ideally. Diplomas are printed on paper with inks and seals that fade, and they are often hung in offices with strong light. UV acrylic costs a little more and is the single most useful upgrade for a document you intend to keep for decades.

How do I frame a certificate without damaging it?

Use photo corners or archival hinging tape at the top edge only, so the document can expand and contract. Never use ordinary adhesive tape, glue, or dry mounting on anything with an embossed seal or an original signature.

What size frame fits an 8.5x11 diploma with a mat?

An 11x14 frame with an 8.5x11 mat opening gives a tidy 1.25 inch border. For a more formal presentation with room for a name plate, a 12x15 or 14x17 frame with the same opening works better.

Are university-branded diploma frames worth it?

The mat embossing and the correct school colours are genuinely hard to reproduce, so if that matters to you they are worth it. The frame and glazing quality is usually ordinary. Buying the branded mat separately and pairing it with a better frame is often the smarter purchase.