# QR codes on yard signs

> A driver passing at 3–8 m would need a 30–80 cm code, which rarely fits a 45 × 60 cm sign. Design for the stopped reader instead (20–30 cm for someone standing 2–3 m away at the kerb), with error correction Q and inks that survive UV fade.

Source: https://useqr.app/qr-codes-on/yard-signs · Last reviewed 2026-08-21 · UseQR is free forever, no signup.

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| Typical scan distance | **2–3 m (stopped reader)** |
|---|---|
| Minimum code width | **20–30 cm** |
| Error correction | **Q** |

## The honest arithmetic

The standard yard sign is **45 × 60 cm** (18 × 24 in). A car rolling past the kerb is
3–8 m away, and the [ten-to-one rule](/docs/print/the-10-to-1-distance-rule) prices that
at a **30–80 cm** code, the top of that range is bigger than the sign. This is the same
wall [billboards](/qr-codes-on/billboards) hit: moving readers at distance are not a QR
audience, and no layout trick changes the maths.

So design for the reader you can actually win: **someone who has stopped**. A person
standing at the kerb, 2–3 m from a sign set back on the lawn, needs a **20–30 cm** code,
which fits, if you let it be a third of the sign. Accept plainly that drivers will read
the headline and the phone number, and only pedestrians and stoppers will scan.

| Reader | Distance | Code needed | Fits a 45 × 60 cm sign? |
|---|---|---|---|
| Passing car | 3–8 m | 30–80 cm | Mostly not |
| Stopped at the kerb | 2–3 m | 20–30 cm | Yes |

## Production: coroplast and sunlight

Yard signs are almost universally **coroplast** (corrugated polypropylene) with digital or
screen-printed ink. The board outlives the print: coroplast shrugs off rain for years,
while unprotected inks visibly fade within one to two seasons of direct sun. A faded code
loses contrast before it loses shape. It drifts below the **40% luminance-difference**
floor and stops scanning while still looking "fine" from the kerb. The mechanism is
covered in [UV fading](/docs/print/uv-fading-and-qr-codes) and
[outdoor durability](/docs/print/qr-codes-outdoors-durability); the rules:

- Solid **black** modules (carbon black is the most UV-stable common ink), on white board.
- UV-rated inks or an over-laminate for anything staying out longer than a season.
- Error correction **Q**: mud splash, staple shadows and partial fade are exactly the
  damage classes correction absorbs.
- Face the sign north or into shade where the choice exists; south-facing signs fade
  first.

## Uses

Real-estate boards (listing details, virtual tour: see
[real estate](/qr-codes-for/real-estate)), campaign signs (volunteer signup, donations),
event and open-house wayfinding, and contractor "we did this job" signs linking a
portfolio. In every case the payload should be a [short URL](/url-qr-code): a low-version
code keeps modules big, and big modules are what survive distance and fade.

## FAQ

### What size should a QR code be on a yard sign?

20–30 cm, roughly a third of a standard 45 × 60 cm sign. That serves a reader standing
two to three metres away. A code sized for passing cars would need to be 30–80 cm wide,
which the sign itself cannot accommodate.

### Will drivers scan a QR code on a yard sign?

Realistically, no. A moving car at three to eight metres would need a larger code than
the sign can carry, and drivers should not be scanning anyway. Yard-sign codes are for
pedestrians and people who stop: write the headline for drivers instead.

### How long does a QR code last on an outdoor yard sign?

The coroplast board lasts years; the ink does not. Unprotected prints fade noticeably
within one to two seasons of direct sun, and a faded code loses scannable contrast early.
UV-rated ink or laminate extends life considerably.

### What error correction level should an outdoor sign QR code use?

Q. Outdoor signs accumulate mud splash, tape, staples and partial fade, localised damage
that Q-level correction (about 25% recovery) is designed to absorb. Reserve H for codes
that also carry a logo.

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