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Online Ruler — Startup Profile
Startup

Online Ruler

Measure Real-World Size, Right From Your Screen.

Design & Creative
0 Momentum score
Signals per week, last 12 weeks
  • Launches
  • Growth
  • Product
  • Hiring & team
  • Money
  • News & stories
  1. Launches Online Ruler launched on Product Hunt

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About the startup

RulerGo is a free, browser-based ruler, caliper, and protractor — calibrated to your screen's real pixel density instead of the usual 96-PPI guess every "online ruler" defaults to. Calibrate once (auto-detect, your device model, screen size, or a credit card) and every measurement afterward is accurate to real-world inches, cm, and mm. No install, no signup, no ads.

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