From the course: Construction Math Foundations
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Ratios and scales in construction drawings
From the course: Construction Math Foundations
Ratios and scales in construction drawings
- Besides being able to measure lengths out in the field, we need to be able to measure lengths on the construction drawings or blueprints. These drawings are drawn to scale, meaning that they're a scaled-down version of the real thing that we're building out in the field. When you know that scale, you can convert the dimensions you measure on the drawings to the real measurements that will be constructed out in the field. This scale is commonly listed on the drawings as a ratio. A very simple scale would be a scale where one inch equals one foot. This just means that when you measure one inch on the scaled-down drawings, it represents one foot out in real life. On architectural drawings, common scales include 1/8 of an inch equals a foot and 1/4 of an inch equals one foot. Again, if the plans state that 1/8 of an inch equals one foot, it simply means that for every 1/8 of an inch you measure on the drawings, that…
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