Why does my font size look different in Outlook? (Pixel and Point Values)

Modified on Fri, 18 Jul at 11:31 AM

Scenario

You’re creating your email signature in Lemontaps and set a font size of 14. However, when you send an email, the font appears smaller than expected – especially in Outlook.

Reason

Lemontaps uses pixels (px) exclusively to define font sizes.
Most email programs – especially Microsoft Outlook – use points (pt) instead.

Since px and pt are not the same, the rendered size can differ between Lemontaps and your email client.

Important: In Lemontaps, there is no option to switch between “px” and “pt”. The unit is always px.

Example

If you normally use 14pt in Outlook, you should enter 19px in Lemontaps to achieve the same visual result.
If you mistakenly enter 14px, the text will look smaller – around 10.5pt in Outlook.


Solution

1. Know the conversion:

Use the table below to convert pixels (px) to points (pt) for better consistency:

Pixel (px)Point (pt)Typical Use
8px6pt
9px7pt
10px7.5ptvery small
11px8pt
12px9pt
13px10ptsmall
14px10.5pt
15px11pt
16px12ptmedium
17px13pt
18px13.5ptlarge
19px14ptequivalent to 14pt
20px14.5pt
21px15pt
22px16pt
23px17pt
24px18ptvery large
26px20pt
29px22pt
32px24ptvery large

2. Quick conversion rule:

1pt ≈ 1.33px
To convert pt to px:
pt × 1.33 = px (rounded to nearest whole number)

Example:
If your email client uses 12pt:
12 × 1.33 ≈ 16px
→ Use 16px in Lemontaps for a consistent appearance.


Recommended font sizes in Lemontaps

Use caseRecommended ptEquivalent in px
Body text / Name11–12pt15–16px
Contact details9–10pt12–13px
Disclaimers / Footers7–8pt9–11px

Summary

If your signature looks too small in Outlook, it's usually due to mixing up pt and px.
With the correct conversion, you’ll ensure that your Lemontaps fonts match your email program’s output.

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