Dev tools · alternatives · 2026

24 alternatives to Free Online Ruler - Inch, CM & MM Ruler

Free Online Ruler - Measure in CM, MM & Inches on Any Screen

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Online Ruler – Measuring in inches/centimeters▲88

   Free online ruler for accurate measuring in inches, centimeters, and millimeters. Use our real size digital ruler on any phone, tablet, or computer.

   2025 · anruler.com · its alternatives →

2. 2
   Simple Online Ruler▲5

   Super Simple Online Ruler

   Jun 2026 · simpleonlineruler.com · its alternatives →

3. 3
   Ruler Online Free▲2

   Measure anything on your screen — actual size, no app needed

   Jun 2026 · ruleronline.pro · its alternatives →

4. 4
   Screen Ruler▲236

   Measure the web

   2024 · chromewebstore.google.com · its alternatives →

5. 5
   Online Ruler▲1

   free vitrual ruler for mobile screen

   Jul 2026 · invovryx.com · its alternatives →

6. 6
   Screen Ruler - for Google Chrome▲143

   Made to measure. Built for everything else.

   2024 · chromewebstore.google.com · its alternatives →

7. 7
   RulerInches▲1

   Your Digital Ruler for Every Screen

   Jul 2026 · rulerinches.com · its alternatives →

8. 8
   Accurate Ruler▲1

   Free onlineRuler that shows actual real-world size on screen

   Sep 2026 · accurateruler.com · its alternatives →

9. 9
   Ruler.im▲10

   Online Ruler: measure objects & images, coding by PM with AI

   Jan 2026 · ruler.im · its alternatives →

10. 10
    Online Ruler and Protractor▲8

    Online ruler helps to measure anything on your device screen

    2024 · onlinerulers.com · its alternatives →

11. 11
    Measure▲408

    Measure anything with your phone. Made by Google.

    2018 · play.google.com · its alternatives →

12. 12
    Inch Calculators▲2

    Free Online Inch Calculators & Converter Tools

    May 2026 · calculators.is · its alternatives →

13. 13
    MM to Inches▲2

    Fast millimeters to inches converter

    Jul 2026 · mm-to-inches.net · its alternatives →

14. 14
    The 30° Ruler 2.0▲82

    Aerospace, laser-engraved ruler

    2019 · indiegogo.com · its alternatives →

15. 15
    AR Ruler 3D▲119

    AR measurement of any object & specific distances via phone

    2024 · apps.apple.com · its alternatives →

16. 16
    Dimensions▲165

    A tool for designers to measure screen dimensions

    2019 · felixniklas.com · its alternatives →

17. 17
    Inches to CM Converter▲3

    Fast inches to centimeters converter

    Jul 2026 · inches-to-cm.net · its alternatives →

18. 18
    TouchRuler▲10

    Measure accurately with ease

    2022 · apps.apple.com · its alternatives →

19. 19
    Measure ring size at home▲3

    Free online tool to measure your ring size at home instantly

    Jun 2026 · measure-ring-home.com · its alternatives →

20. 20
    Rulerly▲1

    An online ruler that's actually calibrated to your screen

    Aug 2026 · its alternatives →

21. 21
    Ruler App▲5

    Easy access ruler from the browser

    2016 · its alternatives →

22. 22
    Centimeters To Inches▲1

    Centimeters To Inches,centimeter and inch,cm to inches

    2022 · calculatorful.com · its alternatives →

23. 23
    Easy Units for Figma▲91

    Convert your shapes from pixels to inches, rem, cm, and ft.

    2020 · tinytools.space · its alternatives →

24. 24
    RulerSwift▲8

    Pixel measuring made easy

    2016 · apps.apple.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →