Typography for Presentations

Presentation typography fails for one predictable reason: designers size type for a monitor arm's length away, then project it onto a screen viewed from the back row — 5 to 10 metres distant. A 14pt bullet point that looks fine on your laptop is unreadable on a conference room projector.

This chapter covers minimum font sizes, hierarchy on slides, text-and-image placement, and fonts that survive projection.

Viewing distance changes everything

Element	Minimum size	Ideal size	Notes
Slide title	44pt	54–60pt	One line when possible
Body / bullets	24pt	28–32pt	Never use web body size (14–16pt)
Captions / footnotes	18pt	20–24pt	Still readable from mid-room
Chart labels	18pt	20pt	Axis labels often undersized

Audiences read slides passively — they don't lean forward or zoom. If a stakeholder in the last row can't read it in 3 seconds, the type is too small.

Legible fonts for slides

Projectors reduce contrast and soften fine details. Choose sturdy, high-contrast faces:

Recommended

• Arial / Helvetica — the presentation standard; neutral and legible at distance
• Calibri — Microsoft default; acceptable at 28pt+ body
• Inter, Source Sans 3 — modern alternatives with clear letterforms
• Georgia — serif option when branding requires it; use 28pt+ only

Avoid

• Thin/light weights (100–300) — disappear on projectors and in bright rooms
• Decorative, script, or high-contrast display serifs — fine strokes break up
• Low-contrast gray text — #999 on white fails in washed-out projection
• Ultra-condensed faces — letters merge at distance

Stick to one typeface family with hierarchy through size and weight — not through mixing four fonts per slide.

Hierarchy on slides

One idea per slide. The title carries the takeaway; bullets support it — not replace it.

Level	Size ratio	Weight	Example
Title	2× body or more	Bold (700)	"Revenue grew 12% in Q4"
Body / bullets	Base	Regular (400)	Three supporting points
Caption / source	0.7× body	Regular	"Source: Internal data, FY2026"

Use the Hierarchy Preview tool with an aggressive scale to preview title-to-body contrast before building your deck.

Image and text placement

Text over photographs

Never place body text directly on a busy image without a contrast overlay (semi-transparent dark or light scrim at 40–60% opacity). White text on a light sky or dark text on shadow regions fails instantly on projectors.

Rule of thirds

Place headlines in the top third or left third of the slide. Centre-aligned titles work for single-stat slides but feel static across a full deck.

Safe zones

Projectors and room setups crop edges. Keep essential text 5% inside all slide edges. Never put critical copy in bottom corners — audience laptop screens and video call UI often crop there in hybrid meetings.

One focal point

Image + headline + three bullets + chart + footer + logo = noise. Pick one visual anchor per slide. If the image tells the story, reduce text to a single line.

Bullets and body copy

• Maximum 6 lines per slide — fewer is better
• No full paragraphs — slides support speech, they don't replace it
• Parallel structure — start each bullet with the same part of speech
• No sub-bullets below second level — split into a new slide instead

If you're reading full sentences from the slide, you have a document, not a presentation. Move detail to speaker notes or a handout.

16:9 vs 4:3

Modern decks are 16:9 (1920×1080). Legacy 4:3 templates waste horizontal space and encourage cramped vertical stacking. Design at 16:9 natively — don't stretch old templates.

For font sizing, aspect ratio matters less than viewing distance. The same 28pt minimum applies regardless of format.

Contrast and accessibility

Presentation rooms vary — bright windows, dim lighting, aging projectors. Design for the worst case:

• Dark text (#222 or darker) on white, or white on dark navy/black
• Test contrast with the WCAG Contrast Checker — aim for 4.5:1 minimum on all informational text
• Never rely on color alone to convey meaning — add labels or icons

Common mistakes

Mistake	Fix
14–16pt body text	Minimum 24pt, ideal 28pt
Full paragraphs on slides	One idea, max 6 short bullets
Thin font weights	Regular (400) body, bold (700) titles
Text on busy photos without scrim	Add 50% dark overlay beneath text
Too many font families	One family, hierarchy through size/weight
Animation-heavy text reveals	Show key text immediately — audiences read ahead

Try it: Slide playground

Use the Medium Typography Playground to validate title and body sizes against presentation standards, with squint test for back-row readability.

Production checklist

• Title at 44pt minimum (54pt ideal)
• Body/bullets at 24pt minimum (28pt ideal)
• One typeface family throughout
• No thin/light weights for projected text
• Text over images has contrast scrim
• Safe margins — no essential text within 5% of edges
• Maximum 6 bullet lines per slide
• Contrast verified at 4.5:1 minimum

Related chapters and tools

• Typography Hierarchy — semantic levels and weight logic
• Typography Accessibility — contrast and readable type
• Typography for Branding — corporate deck templates
• Medium Typography Playground — validate slide sizes
• Typography for Social Media — when slides become LinkedIn carousels

Presentation typography is typography at distance. Size generously, simplify ruthlessly, and design for the person in the last row — if they can't read it, it isn't on the slide.