Architectural Decimal Text Size and Scale
Architectural decimal text size and scale is a system used in architectural drawings and documents to ensure consistent and readable text presentation at different scales. It is based on decimal measurements rather than fractional inches, which are common in traditional architectural drafting.
Architectural Decimal Text Size and ScaleDecimal is 1/12 of an inch. |
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| Decimal Scale | Scale Fraction | 3/32" Text | 1/8" Text | 3/16" Text | 1/4" 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 |
