The best replacement for ruler is scale.

The best alternatives to ruler are rated as following:
★★★★★  scale
★★★★  straight edge
★★★★  meter stick
★★★  rule
★★★  vernier caliper
★★  tape measure
★  monarch
★  foot rule
★  moto
★  hourglass
★  rpvot
★  measuring tape
★  leader
★  restricted ruler
★  ambush
  meterstick
  chief
  chieftain
  hail
  distant worlds
  straightedge

Your alternative for ruler is not listed? Suggest!
Speaking about ruler, one probably shouldn't forget about mm.

Other search terms related to ruler and their ratings are:
★★★★★ mm
★★★★★ inches
★★★★ cm
★★★★ millimeters
★★★ centimeters
★★★ measurements
★★ inches and centimeters
★★ level
★ inches and cm
★ ruler
centimeters and millimeters
all measurements
mm actual size
centimeter
centimeters and inches
You have in mind a companion for ruler and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of ruler in all years. Click on graph for more.
ruler
scale
straight edge