log

Circumference of the Circle in degrees..
Circumference of the Circle in minutes..
Circumference of the Circle in seconds.

If the radius r = 1, half the Circumference of the Circle is
T = 3. 14 159 265 358 979 323 846 264 338 328....

Also:

=

=

360

=

21 600

2.55 630 250
4.33 445 375

= 1 296 000

6. 11 260 500

0.49 714 987

= = 0.97 720 502

= 1.12 837 917

6

=

0.31 830 989

9.50 285 013 - 10

1

2 π

3

=

0. 15 915 494

9. 20 182 013 - 10

/r

=

0.95 492 966

9. 97 997 138 - 10

= 2.14 502 940

√r = 1.77 245 385
= 0.56 418 958

T

V=
3/1.46 459 189

= 0.68 278 406

π

= 1.27 323 954

0. 10 491 012

3/3 V4

= 0.62 035 049

9.79 263 713 - 10

π

3

3

= 0.23 873 241

9.37 791 139 - 10

= 0.80 599 598

9.90 633 287 - 10

4 π

Arc 2 a, whose length is equal to twice the radius, 2 r, is: