AI Online Ruler
Free Accurate Online Ruler (Actual Size in mm, cm & Inches)
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Accurate ruler online in actual size. Measure on-screen in mm, cm, and inches with free 1:1 scale calibration, 12 inch ruler mode, PD ruler, and caliper tool.
PH · launched Nov 5, 2026 · 1 upvote (top 65%) · 0 views
Niche: online utility tools · 293 launches, 33 in the last 7 days ▲ +6% · Explore this niche →
Category and tags
- Horizontal
- B2C
- Not AI
- Commercial product
- Web App
- Design Tools
- Productivity
Visit website ↗ Source listing ↗
More like this: all 293 launches in online utility tools →
Could you build this?
Yes An on-screen ruler with 1:1 calibration is a simple web page using CSS pixel-to-physical-unit conversion.
Competitors
Other products that read as similar to this one : 321 launches clear the similarity bar, closest 8 shown.
Attention rank: #45 of 322 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 366 days after the earliest competitor.
- Digital Ruler Pro · ph · 2026-11-04 · 1 upvotes · similarity 0.68
- PdfRuler · ph · 2026-10-23 · 2 upvotes · similarity 0.67
- Simple Ruler · ph · 2026-10-20 · 1 upvotes · similarity 0.64
- Easy Scale Calc · ph · 2026-10-06 · 2 upvotes · similarity 0.57
- RingSizeCharts · ph · 2026-10-16 · 2 upvotes · similarity 0.53
- SizeCompared · ph · 2026-10-12 · 1 upvotes · similarity 0.51
- Gauge to Millimeters · ph · 2026-10-02 · 1 upvotes · similarity 0.50
- Beard Length Advisor · ph · 2026-11-14 · 1 upvotes · similarity 0.49
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.