Architectural Decimal Text Size and Scale Factor

Written by Jerry Ratzlaff on . Posted in Designer

  • Decimal is 1/12 of an inch.
Decimal ScaleScale Factor3/32" Text1/8" Text3/16" Text1/4" Text
1/16"=1'-0" 192 1.5 2.0 3.0 4.0
3/32"=1'-0" 128 1.0 1.333 2.0 2.666
1/8"=1'-0" 96 0.75 1.0 1.5 2.0
3/16"=1'-0" 64 0.5 0.666 1.0 1.333
1/4"=1'-0" 48 0.375 0.5 0.75 1.0
3/8"=1'-0" 32 0.25 0.333 0.5 0.666
1/2"=1'-0" 24 0.1875 0.25 0.375 0.5
3/4"=1'-0" 16 0.125 0.1666 0.25 0.333
1"=1'-0" 12 0.09375 0.125 0.1875 0.25
1 1/2"=1'-0" 8 0.0625 0.08333 0.125 0.1666
2"=1'-0" 6 0.046875 0.0625 0.09375 0.125
3"=1'-0" 4 0.03125 0.041666 0.0625 0.08333
1"=10' 120 0.9375 1.25 1.875 2.5
1"=20' 240 1.875 2.5 3.75 5
1"=30' 360 2.8125 3.75 5.625 7.5
1"=40' 480 3.75 5 7.5 10
1"=50' 600 4.6875 6.25 9.375 12.5
1"=60' 720 5.625 7.5 11.25 15
1"=80' 960 7.5 10 15 20
1"=100' 1200 9.375 12.5 18.75 25
1"=200' 2400 18.75 25 37.5 50
1"=300' 3600 28.125 37.5 56.25 75
1"=400' 4800 37.5 50 75 100
1"=500' 6000 46.875 62.5 93.75 125
1"=1000' 12000 93.75 125 187.5 250
1"=2000' 24000 187.5 250 375 500
1"=3000' 36000 281.25 375 562.5 750
1"=4000' 48000 375 500 750 1000
1"=5000' 60000 468.75 625 937.5 1250