what sites to use for measuring ratios

[TechMercury]

i know about looksrate but dont entirely trust it to measure them correctly, would like to know what sites/apps have the measuring tools needed for me to do it myself

 

[hapagenes2]

i know about looksrate but dont entirely trust it to measure them correctly, would like to know what sites/apps have the measuring tools needed for me to do it myself

calipers irl