In the past, if you wanted to measure something, you had to look for a physical ruler. But now, thanks to technology, you can easily use an online digital ruler! The ruler.digital is an on-screen online ruler that is accurate to millimeters and inches. In case of the 1:200 scale, 5 x 200 = 1000.Digital Ruler Online – Actual Size Measurements App All you need to do to create a scale ruler using a scale rule is multiply the scale required by the ruler increment. You can use this method for any scale required using a typical ruler. Using the ruler, to draw a line that represents the 2 metre wall, we could draw a line from 0 to 10 on the ruler, as you will note the 2000 number in red above 10, and that represents 2000 mm (2 metres) We either need a 2 metre (2,000 mm) wide piece of paper, or we can use a ruler and a 1:200 scale to fit on a smaller piece of paper. Lets say we now want to draw a 2 metre (2,000 mm) long wall again on a piece of paper. If you were using A3 sized paper, and wanted to draw 10 metres or 10 kilometres, you would need to choose the appropriate scale to fir the paper in most cases. To understand it though, the bigger the distance, the bigger the scale you will need to go up to get the measurement on the paper. There are some general rules for certain types of drawings that I will add later on the page. You might be wondering which scale to use. Next we will look at the 1:200 scale ruler. Hopefull this is making sense at this stage. So if we draw from 0 to 6 on a piece of paper we could fit the line on a piece of paper 60mm wide (6cm) If we look at our 1:50 scale ruler, 300 lines up with number 6 on the ruler. We either need a piece of paper 300mm wide, or scale the measurement down so it fits on a smaller piece of paper. So we could easily draw a line that length on paper 100mm wide (10cm or 10 on the ruler)Īnother example, say we measure a wall 300mm wide in real life, and want to draw it on paper. The 500 represents 500mm, so exactly 1/2 metre. If we use the 1:50 scale ruler, we could measure from 0 to 10 on the ruler to get 500. We would also need a piece of paper at least 1/2 metre (500mm) wide in real life meaurements. Going back to my example of the wall earlier, lets imagine this time we measured a 1/2 metre long wall (500mm), so we would need a 1/2 metre long ruler. What these numbers means are for every 1 unit = 50 units (or in this case 1mm = 50mm) 1:50 and 1:200 in the bottom left corner of each image of the ruler. You will notice the different numbers in red So the number 1 on the ruler would be 10mm (or 1cm)ġ metre (m) = 100 centimetres (cm) = 1000 millimetres (mm)īelow are the differences between the normal ruler and a certain scale. The Typical ruler each black line equal 1mm in real life length. As I mentioned before, a proper scale ruler will already be adjusted so you don't need to do this.
#TO SCALE RULER HOW TO#
They look like a normal ruler you would have seen but have different increments, and spacing between increments.įig.1 below is a Typical Ruler, and I am going to show you how to use a normal ruler to work out the scale. Techical drafting people usually use specially designed rulers called scale rules or line gauges. We take one length, then convert it into a smaller size (in this case), then draw a smaller line to represent it. In this instance, we can use a piece of paper then draw a line on it that represents the 2 metre long wall, but only aįraction of the size of the life size wall. and in Australia we use the measurements in millimetres (mm).įor instance, if you measure up your house then went to draw it on a piece of paper, if you measured a 2 metre long wall, then you would need to have a big piece of paper just to draw it on there. A scale drawing is a drawing of something that is 'scaled' so that the drawing fits on a piece of paper that can then be given to people such as builders, trades people etc. HOW TO SCALE ARCHITECTURAL BUILDING PLANSĪll technical drawings use what are called scale drawings.
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