Spike's Calculators

Area and Perimeter

Square - Metric

Spike VM

Calculate the area and perimeter of a square.
This calculator uses metres for measurements.

Square = four equal sides and four 90° angles.


Square Area and Perimeter - Metric

Side Length m
Decimal Precision


Length of Diagonal m
Area of the Square
Square Metres
Square Feet ft²
Square Inches in²
Perimeter of the Square
Metres m
Feet ft
Inches in


  1. the side length in metres
  2. decimal precision, the number of digits after the decimal point


  1. the length of the diagonal in metres
  2. the area of the square in square metres
  3. area in square feet
  4. the area in square inches
  5. the perimeter of the square in metres
  6. the perimeter in feet
  7. the perimeter in inches
A = s²
P =  s4
where A is the area of the square
s the length of one of the sides
P  the perimeter of the square

one metre (m) = 3.28083989501312 feet (ft)
one metre (m) = 39.3700787401575 inches (in)
one square metre (m²) = 10.7639104167097 square feet (ft²)
one square metre (m²) = 1550.0031000062 square inches (in²)
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