In units of area conversion we will learn how to convert the units. It’s very important to know the relation between the various units while solving the questions on area conversion.

**Relation between the various units of area**

**Length Units Area Units**

1 m = 100 cm so, 1 m² = (100 × 100) cm² = 10000 cm²

1 m = 10 dm so, 1 m² = (10 × 10) dm² = 100 dm²

1 cm = 10 mm so, 1 cm² = (10 × 10) mm² = 100 m²

1 km = 1000 m so, 1 km² = (1000 × 1000) m² = 1000000 m²

1 hm = 100 m so, 1 hm² = (100 × 100) m² = 10000 m²

= 1 hectare (ha)

1 dam = 10 m so, 1 dam² = (10 × 10) m² = 100 m² = 1 ares

**Notes: **

1 hectare = 100 ares

**Examples on area conversion: **

*Convert the following units: *

(a) 60 cm² in mm²

**Solution:**

60 cm² in mm²

1 cm = 10 mm

1 cm² = 100 mm²

Therefore, 60 cm² = 60 × 100 mm²

= 6000 mm²

(b) 3 hectares in m²

**Solution:**

3 hectares in m²

1 hectare = 10000 m²

Therefore, 3 hectares = 3 × 10000 m²

= 30000 m²

(c) 12000 m² in hectares

**Solution:**

12000 m² in hectares

10000 m² = 1 hectare

Therefore, 12000 m² = 1/10000 × 12000 hectare

= 12/10 hectare

= 6/5 hectare

(d) 2.3 hectares in ares

**Solution:**

2.3 hectares in ares

1 hectare = 100 ares

Therefore, 2.3 hectares = 2.3 × 100 ares

= 230 ares.

**● ****Mensuration**

**Perimeter and Area of Rectangle**

**Area and Perimeter of the Triangle**

**Area and Perimeter of the Parallelogram**

**Circumference and Area of Circle**

**Practice Test on Area and Perimeter of Rectangle**

**Practice Test on Area and Perimeter of Square**

● **Mensuration - Worksheets**

**Worksheet on Area and Perimeter of Rectangles**

**Worksheet on Area and Perimeter of Squares**

**Worksheet on Circumference and Area of Circle**

**Worksheet on Area and Perimeter of Triangle**

**7th Grade Math Problems** **8th Grade Math Practice** **From Area Conversion to HOME PAGE**

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