Square inch (in²) to Circular inch (circ in) converter

Converting from Square inch (in²) to Circular inch (circ in)

What is Square inch (in²)

Square inch is a unit of area commonly used in the imperial and US customary systems. It is represented by the symbol in². One square inch is equal to the area of a square with sides measuring one inch.

What is Circular inch (circ in)

Circular inch is also a unit of area and is used to measure the area inside a circle. It is represented by the symbol circ in. One circular inch is equal to the area of a circle with a diameter of one inch.

Conversion Formulas

The default conversion between square inch and circular inch is as follows:

1 (in2)=1.27324 (circ in)

1 (circ in)=0.7853982 (in2)

Examples

  • 3 square inches in circular inches:

3×1.27324=3.81972 (circ in)

  • 4 circular inches in square inches:

4×0.7853982=3.141592 (in2)

  • 12 square inches in circular inches:

12×1.27324=15.27888 (circ in)

Conclusion

Use the provided formulas and examples on this page to easily convert between square inch and circular inch.

Square inch to Circular inch conversion table

in² to circ in conversion table

Square inch (in²)Circular inch (circ in)
0.01 in²0.0127324 circ in
0.1 in²0.127324 circ in
1 in²1.27324 circ in
2 in²2.546479 circ in
3 in²3.819719 circ in
4 in²5.092958 circ in
5 in²6.366198 circ in
6 in²7.639437 circ in
7 in²8.912677 circ in
8 in²10.18592 circ in
9 in²11.45916 circ in
10 in²12.7324 circ in
10 in²12.7324 circ in
20 in²25.46479 circ in
30 in²38.19719 circ in
40 in²50.92958 circ in
50 in²63.66198 circ in
60 in²76.39437 circ in
70 in²89.12677 circ in
80 in²101.8592 circ in
90 in²114.5916 circ in
100 in²127.324 circ in
1 000 in²1 273.24 circ in
2 000 in²2 546.479 circ in
3 000 in²3 819.719 circ in
4 000 in²5 092.958 circ in
5 000 in²6 366.198 circ in
6 000 in²7 639.437 circ in
7 000 in²8 912.677 circ in
8 000 in²10 185.92 circ in
9 000 in²11 459.16 circ in
10 000 in²12 732.4 circ in