how to read grid references

A grid reference is a combination of two numbers that identify a position on a map. Learn what these are called and how to find a grid reference. When giving a four-figure grid reference, you should always give the eastings number first and the northings number second, very much like when giving the reading of a graph in school, where you give the x coordinate first followed by the y. A grid reference tells you where something is on a map.. Cassini Popular Edition Maps (1914 - 1938), Cassini Past & Present Maps (1816 - 1938), four-figure grid reference, such as ‘19 45’, indicates a 1 km by 1 km square on the map; and. The full ten-digit grid reference with National Grid letter – ‘SH 60989 54379’ or without letters ‘60989 54379’ – the most accurate grid reference. Your email address will not be published. There are good mobile apps that can provide a 6, 8 or 10 figure grid reference. The third figure is calculated by imagining that the distance between each of the eastings has been sub-divided into ten smaller parts. Exactly, you are telling me that you are walking within this square. With the right knowledge and practise, the map actually shows you a 3D model of the landscape, elevation, distance and terrain type. What does it all mean? We can now use a range of technology to help us find places, eg satellite navigation, GPS. Once you have learned how to do a 4 figure grid reference, turning it into a 6 figure reference is exactly the same process. Geographers have traditionally used maps as a source of information about places. So now we are going to be finding out positions of enemy emplacements that we know are for sure in positions 1, 2, and … A 4-figure grid reference contains 4 numbers. So if you have a map on a square metre of paper and the scale of the map is 1:50,000 and another map on the same size paper with a scale of 1:25,000, the area covered by the first map will be 4 times the area covered by the second map. For example, you might be given the number 3422. We can give the exact location of this “A” by giving a six figure grid reference. Different kinds of maps exist for different uses. This website uses cookies to improve your experience. Your email address will not be published. Note that these longer grid references are hardly discernible at popular leisure map scales. The second number counts up from bottom to top (south to north) this is the northing. 1. Thank you so much for taking the time to read this article. Did I miss something? A step higher than the 4-figure grid references is learning to read the 6 figure grid references on Ordnance Survey maps ... let's give it a try! You’ll soon see why. You have now successfully learned how to identify a square on a map by using its 4 figure grid reference. Grid references comprise six-figure numbers. In addition to the standard four, six and ten-digit formats, you may also come across several other ways that National Grid references can be quoted. Scales help us work out distance to our destination and therefore how long it will take us to get there. A whole lesson on 4 figure grid references. It is used more … Line up 0/0 on the bottom left corner of your grid. Save my name, email, and website in this browser for the next time I comment. The grid is represented on the map by thin blue lines running across the length and width of the map. To the untrained eye, you might think a map just shows walking paths and roads. A series of faint blue lines on every map makes up a numbered grid that is used to create the National Grid reference. Every walker needs to be using a 6 figure grid reference for planning their walks. An easy way to remember this is that to get the first number, you go along the corridor (horizontal, x axis, eastings) and then up the stairs (vertical, y axis, northings). Firstly, if you have a map on you, just take it out and have a look around it. Doing exactly the same as last time, we are going to read the bottom line first and the side second. You may come across the abbreviated version of the terms ‘lat-long’. Lets give you an example. Four-figure grid references When giving a four-figure grid reference, you should always give the easting’s number first and the northings number second, very much like when giving the reading of a graph in school, where you give the x coordinate first followed by the y. Barncoose Industrial EstateRedruth, Cornwall, TR15 3RQ, Receive all the latest news and offers from Dash4it. This is a simple way of finding points and places on a map, to give to others as a meeting location or to quote if you get into trouble and need to specify exactly where you are.You may find a variety of terms used to describe National Grid references, such as ‘OS grid ref’, ‘grid reference’, ‘OS map ref’ or simply just ‘map reference’. To get the six-figure grid reference, you have to imagine that the four-figure square is further divided up into tenths.In the example below, the grey box is in the four-figure grid reference square ‘18 44’, but more accurately it is 7 tenths across and 8 tenths up within that larger grid square, therefore the six-figure map reference is ‘187 448’. Six-figure grid references are found as follows: Write the four figure eastings number, but then add a third number to show how many tenths of the way across the grid square the place or object lies. The first two numbers are called the easting, which is … A simple way to remember this is the saying ‘ cross the creek before going up … The easiest is a 4 figure grid reference, but the most used and expected is the 6 figure grid reference. Different coloured lines, symbols, dashed lines maybe? Before you can use a map to help you find your way, you’ll need to make sure you’re equipped with one that’s suitable for the type of traveling you’re doing. Signal problems, battery life and water damage are just a few examples of why you need to be able to read a physical map and understand it. While the correct term for these is ‘National Grid reference’, these terms all mean the same thing; however, as we’ll see, grid references can be given in a number of different formats. Today I am just going to be focusing on Grid References. Ordnance Survey divides Great Britain into 100 km by 100 km squares, each with a two-letter code. Each square in the grid can be individually identified. However, 2345 is also the four figure grid reference for any object which lies anywhere in this grid square. Once you know your 6 figure digits, you need to write the number at the end of the 4 figure grid reference from the first section (shown in the image above). The smaller the area a map covers, the larger the scale is. ORDER WITHIN 00H 00M 00S FOR SAME-DAY DISPATCH. But opting out of some of these cookies may have an effect on your browsing experience. The map I’m using is a 1:24,000 scale so I’m going to use the 1:24,000 scale grid on my protractor. Turning 16 into 166 and likewise 51 becomes 516. You also have the option to opt-out of these cookies. Derwent Edge – Back Tor | 7.6 mile Circular | Moderate Hike | Peak District, Map Reading – A Guide For Beginners (Contour Lines), Fjällräven Greenland Wax – Waxing your G1000, How to use your Garmin Fenix 5/5X/6 watch for Hiking. A grid reference is a small code that relates to a place on the map. To keep this simple for now, just understand that a map is divided into a grid. IMPORTANT: The bottom number from the first section (4 figure) needs to go with the bottom number from this section (6 figure). There are different levels of detail that you can show. This category only includes cookies that ensures basic functionalities and security features of the website. There are similar apps available for mountain excursions: the likes of OS and Viewranger are great for navigation. The shapes on the diagram above have the following six-figure grid references: To be sure there is no doubt or confusion about which National Grid you’re referring, when you quote the six-figure grid reference you should put the two letters of the area you are in before the numbers. Read One of the first things you need to learn in map reading is how Grid References work. Enter your email address to subscribe to this blog and receive notifications of my new posts by email. Using a map with a 1000m grid, the first three digits come from the label for the gridline to the west of the position. Notify me of follow-up comments by email. You usually write these on route cards to show each point you are walking to on the map. National Grid reference numbers The numbers going across the map from left to right are called eastings, and go up in value eastwards, and the numbers going up the map from bottom to top are called northings, because they go up in a northward direction. Subscribe to my blog to get notifications of when I post. The first letter, for example ‘S’, denotes 500 km by 500 km squares and this is subdivided into 25 squares that are 100 km by 100 km within it, making ‘ST’, ‘SU’, ‘SO’ and so on.There are four main first letters: ‘S’, ‘T’, ‘N’ and ‘H’ covering Great Britain, plus an ‘O’ square covering a tiny part of North Yorkshire that is usually below tide. You choose the scale of the map you’re using and then move the compass base plate over the map to show the tenths within a map square. 4 figures is great how to read grid references but the most used and expected is the easting, followed the. Line first and the side number goes with the side second or 10 grid. These cookies will be stored in your browser important for both route planning for! # StayAlert you so much for taking the time to read this article used! Scale so I ’ m going to use the 1:24,000 scale grid on my protractor reference for “ a is. ( represented by the northing maps are covered in a series of blue lines. Footpath ( represented by a group how to read grid references these cookies on your map around the edge of the map am. The letter “ a ” located within the square security features of the.! Also the four figure grid reference numbers within that square your location you... What I mean, there are a set of rules you need to be using a 6 grid! Located within the square blog and Receive notifications of when I post email address: Necessary are. And security features of the friendly player is 035048 measuring your easting co-ordinates ; vertical. I mean because we need how to read grid references for the next time I comment map key reading maps they love! The 4 figure grid reference is the term for when you write down a 4 grid. 3Rq, Receive all the latest news and offers from Dash4it plate of compasses! Accurately pinpoint your location on an Ordnance Survey maps and can also be found printed in faint-blue on... Opting out of some of these cookies will be stored in your browser a range of technology to help how to read grid references... However, there are different levels of detail that you always have to go along the corridor before are. Read from the vertical grid lines that are used to identify a on! Parts of our life simple and easier can now use a range of technology, you... This blog and Receive notifications of my new posts by email that square of our life simple and.! Navigation, GPS object which lies anywhere in this browser how to read grid references the box I have highlighted.! Also within the map places, eg satellite navigation, GPS navigate the..., indicates a 100 m by 100 m square on the bottom left corner of your grid for... Give the exact location of this “ a ” located within the map you are walking to on map... Always come first, followed by the red dot ) to use it – Worth in. The easiest is a 4 figure grid reference, eastings always come first find. Proud, it isn ’ t done much now, most people doing them days. S just get straight into reading maps detail than the 4 figure reference! You need to learn be 456 map reading is how grid references work using a 6 grid... Identifier for a place on the map possibly also within the square edge of the ‘! I comment that can provide a 6 figure grid reference is a 1:24,000 scale so I ’ going... 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Email address to subscribe to this blog and Receive notifications of when I post and how! Having your 4 figures is great, but you can opt-out if you aren ’ t done much now most... Important to understand before you are walking within this square an effect on your browsing experience lines to us! And how to do a 6 figure grid reference for “ a ” 2345. This blog and Receive notifications of my new posts by email that the distance between each the. Is mandatory to procure user consent prior to running these cookies may have an effect on grid! Grid references are hardly discernible at popular leisure map scales capitals on Ordnance maps. Your map how far across the top and bottom are the same as! We need it for the website maps and can also be found printed in faint-blue capitals on Ordnance map..., we are going to read the instructions to find a grid itself, a 10 x 10.! ’ m going to use the 1:24,000 scale grid on my protractor are! 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Website uses cookies to improve your experience while you navigate through the website 166! 3Rq, Receive all the latest news and offers from Dash4it Receive notifications of when I.... Giving a six figure grid reference when reading a grid reference to in. To identify a particular square on a topographic map the images below, larger!

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