Nexmetra — Free Online Measurement Tools
The most accurate free ruler, protractor & ratio tools
Nexmetra — Free Online Measurement Tools launched on August 5, 2026 with 1 votes, #11,494 of 23,274 launches that month.
What it does
Nexmetra: 4 free browser tools with a clean, effortless UI and zero learning curve. Ruler — auto-calibration, history, point markers. Protractor — 180°/360° modes, 3-decimal precision, deg/rad toggle, canvas + history export, image overlay mode, 3-point ray mode. Aspect Ratio Calculator — find missing height/width instantly, check files against a ratio + social media preview. Aspect Ratio Finder — get ratio from any file, test others against it. No ads, no clutter, no sign-up.
Free, accurate, browser-based measurement tools — no signup, no downloads.
The measurement toolkit other sites wish they built. Fast, precise, and ready in one tap — no signup, no installs getting in your way.. No signup, no paywalls, no premium tier. Every tool stays free, always. Tools calibrate to your exact screen for real, true-to-scale results — not a generic guess. Runs instantly in your browser on desktop, tablet, or phone. No app, no download. A free digital ruler to measure real objects on-screen in mm, cm, inches and pixels. A free digital protractor to measure angles from images, camera, or on-screen points. Calculate matching width and height for any aspect ratio, then preview how your image or video fits. Enter your width and height, or upload an…from nexmetra.com
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Online Ruler – Measuring in inches/centimeters2025 · anruler.com · ▲88Free online ruler for accurate measuring in inches, centimeters, and millimeters. Use our real size digital ruler on any phone, tablet, or computer.
Online Ruler and Protractor2024 · onlinerulers.com · ▲8Online ruler helps to measure anything on your device screen
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