Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : May 30, 2023


Enter the length

Enter the width

Area of Rectangle 21 cm by 3 cm is 63.0 cm2.

To calculate the area of a rectangle, multiply the number of units in the length by the number of units in the width. Length and width must be stated in the same unit of measure. Area of Rectangle 21 cm by 3 cm is 63.0 cm2.


    Area of rectangle 21 cm by 3 cm in other units

Value unit
0.00063 km2
0.0003915 mi2
0.63 m2
2.0669291 ft2
24.8031496 in2
0.6889764 yd2
63.0 cm2
630.0 mm2

Steps:

Given that length = 21 cm and width =3 cm

Area = length x width

Put the value of length and width value in Area Formula.

Area= 21 cm × 3 cm

Multiply 21 cm and 3 cm

Area = 63.0 cm2

∴Area of Rectangle 21 cm by 3 cm is 63.0 cm2