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# How Much Turf Do I Need?

To work out the square metrerage of area you want to turf just multiply the length by the width of each section and add together for a total SQM. Allow an extra 10% for cutting in. Use this handy guide to work out your SQM2 or come in and see us with your plans and we can help work it out.

#### STEP 1. SKETCH YOUR SITE

Using pen and paper, replicate your site as a basic line drawing. It only needs to be a concept drawing for you to note the measurements you’re about to take. #### STEP 2.(IF APPLICABLE)DIVIDE INTO AREAS

If your site features multiple sections, bends and / or curves, divide them in to suitable sections as rectangles. #### STEP 3. MEASURE

Using a tape measure, record the actual length and width of each section, as indicated on your concept drawing. #### STEP 4. DO THE MATH

Using the length and width, calculate the square meterage of each section by multiplying them together. Now simply add the sum of all sections together to discover your total area in m2.

## Calculating the area of different shaped areas manually.

Once you have measured each part of your lawn, you can calculate the area of each shape manually using these easy formula, not much beyond the simple arithmetic and geometry you probably learned at primary school. Although most of the necessary calculations are generally straightforward, it is nevertheless important that you take care to be accurate. Read on to see how to calculate even the most difficult of shapes.

## Square Measure one side of the square, then multiply it by itself (area = s x s)

Example – If the width of the square is 4 metres: 4m x 4m = 16m2

### Rectangle or oblong Measure the height and width of the square, then multiply them together (area = w x h)

Example – If the height is 4 metres and the width is 6 metres: 4m x 6m = 24m2

### Triangle Measure the height and base, then multiply the height by half of the base (area = ½b x h)

Example – If the height is 9 metres and the base is 10 metres: 9m x 5m = 45m2

### Parallelogram Measure the height and base, then multiply together (area = b x h)

Example – If the height is 5 metres and the base is 8 metres: 5m x 8m = 40m2

### Trapezoid Measure the height and the top and bottom edges. Add the top and bottom edges together (b1 + b2). Divide this figure by 2. Multiple by the height. (area = ½ (b1 + b2) x h)

Example – If the top edge (b1) is 5 metres and the bottom edge (b2) is 9 metres, and height is 6 metres: 5m + 9m = 14m. 14 ÷ 2 = 7.   7 x 6 = 42m2

### Circle d = diameter, r = radius Measure the diameter of the circle, then divide this by two to calculate the radius. Multiply the radius by itself, then multiply the total by 3.14. (area = r x r x 3.14) Example – If the diameter is 12 metres, the radius will be 6 metres; multiply 6 metres by 6 metres, then multiply the total by 3.14: 6 x 6 = 36. 36 x 3.14 = 113.04m2

### Ellipse or oval Measure the width and height of the oval, then divide each measurement by two to calculate rand r(area =rx r2 x 3.14). Example – If ris 3 metres and r2 is 5 metres: 3m x 5m = 15m. 15m x 3.14 = 47.1m2