Spike's Calculators

# Pentagon - Metric

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

Pentagon = five equal length sides

### Pentagon Area and Perimeter - Metric

Side Length m
Decimal Precision

#### Results:

Height m
Diagonal Length m
###### Area of the Pentagon
Square Metres
Square Feet ft²
Square Inches in²
Metres m
Feet ft
Inches in

#### Calculation

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

#### Results

1. the height in metres
2. the diagonal length in metres
3. the area of the pentagon in square metres
4. area in square feet
5. the area in square inches
6. the perimeter of the pentagon in metres
7. the perimeter in feet
8. the perimeter in inches

##### Formula
```A = s²1.7204774005889669227590119773886
P =  s5
where A is the area of the pentagon
s the length of one of the sides
P  the perimeter of the pentagon

```

##### Conversions
```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)
```