From “Tempo Understand” thread
https://forum.renoise.com/t/tempo-understand/22459
This is helpful too, in understanding how tempo and speed changes the perception of meter and row highlights
Speed 6:
1 bar = 16 lines
1/16th = 1 line
1/8th = 2 lines
Speed 3:
1 bar = 32 lines
1/16th = 2 lines
1/8th = 4 lines
Speed 1:
1 bar = 96 lines
1/16th = 6 lines
1/8th = 12 lines
Speed 2:
1 bar = 48 lines
1/16th = 3 lines
1/8th = 6 lines
Speed 12:
1 bar = 6 lines
1/16th = 1/2 line
1/8th = 1 line