Circle Area Calculator

A = πr²

Radius	Area	Circumference
1	3.14	6.28
2	12.57	12.57
3	28.27	18.85
4	50.27	25.13
5	78.54	31.42
6	113.1	37.7
7	153.94	43.98
8	201.06	50.27
9	254.47	56.55
10	314.16	62.83
11	380.13	69.12
12	452.39	75.4
13	530.93	81.68
14	615.75	87.96
15	706.86	94.25
16	804.25	100.53
17	907.92	106.81
18	1,017.88	113.1
19	1,134.11	119.38
20	1,256.64	125.66
21	1,385.44	131.95
22	1,520.53	138.23
23	1,661.9	144.51
24	1,809.56	150.8
25	1,963.5	157.08
26	2,123.72	163.36
27	2,290.22	169.65
28	2,463.01	175.93
29	2,642.08	182.21
30	2,827.43	188.5
31	3,019.07	194.78
32	3,216.99	201.06
33	3,421.19	207.35
34	3,631.68	213.63
35	3,848.45	219.91
36	4,071.5	226.19
37	4,300.84	232.48
38	4,536.46	238.76
39	4,778.36	245.04
40	5,026.55	251.33
41	5,281.02	257.61
42	5,541.77	263.89
43	5,808.8	270.18
44	6,082.12	276.46
45	6,361.73	282.74
46	6,647.61	289.03
47	6,939.78	295.31
48	7,238.23	301.59
49	7,542.96	307.88
50	7,853.98	314.16
51	8,171.28	320.44
52	8,494.87	326.73
53	8,824.73	333.01
54	9,160.88	339.29
55	9,503.32	345.58
56	9,852.03	351.86
57	10,207.03	358.14
58	10,568.32	364.42
59	10,935.88	370.71
60	11,309.73	376.99
61	11,689.87	383.27
62	12,076.28	389.56
63	12,468.98	395.84
64	12,867.96	402.12
65	13,273.23	408.41
66	13,684.78	414.69
67	14,102.61	420.97
68	14,526.72	427.26
69	14,957.12	433.54
70	15,393.8	439.82
71	15,836.77	446.11
72	16,286.02	452.39
73	16,741.55	458.67
74	17,203.36	464.96
75	17,671.46	471.24
76	18,145.84	477.52
77	18,626.5	483.81
78	19,113.45	490.09
79	19,606.68	496.37
80	20,106.19	502.65
81	20,611.99	508.94
82	21,124.07	515.22
83	21,642.43	521.5
84	22,167.08	527.79
85	22,698.01	534.07
86	23,235.22	540.35
87	23,778.71	546.64
88	24,328.49	552.92
89	24,884.56	559.2
90	25,446.9	565.49
91	26,015.53	571.77
92	26,590.44	578.05
93	27,171.63	584.34
94	27,759.11	590.62
95	28,352.87	596.9
96	28,952.92	603.19
97	29,559.25	609.47
98	30,171.86	615.75
99	30,790.75	622.04
100	31,415.93	628.32
110	38,013.27	691.15
120	45,238.93	753.98
130	53,092.92	816.81
140	61,575.22	879.65
150	70,685.83	942.48
160	80,424.77	1,005.31
170	90,792.03	1,068.14
180	101,787.6	1,130.97
190	113,411.49	1,193.81
200	125,663.71	1,256.64
210	138,544.24	1,319.47
220	152,053.08	1,382.3
230	166,190.25	1,445.13
240	180,955.74	1,507.96
250	196,349.54	1,570.8
260	212,371.66	1,633.63
270	229,022.1	1,696.46
280	246,300.86	1,759.29
290	264,207.94	1,822.12
300	282,743.34	1,884.96
310	301,907.05	1,947.79
320	321,699.09	2,010.62
330	342,119.44	2,073.45
340	363,168.11	2,136.28
350	384,845.1	2,199.11
360	407,150.41	2,261.95
370	430,084.03	2,324.78
380	453,645.98	2,387.61
390	477,836.24	2,450.44
400	502,654.82	2,513.27
410	528,101.73	2,576.11
420	554,176.94	2,638.94
430	580,880.48	2,701.77
440	608,212.34	2,764.6
450	636,172.51	2,827.43
460	664,761.01	2,890.27
470	693,977.82	2,953.1
480	723,822.95	3,015.93
490	754,296.4	3,078.76
500	785,398.16	3,141.59
600	1,130,973.36	3,769.91
700	1,539,380.4	4,398.23
800	2,010,619.3	5,026.55
900	2,544,690.05	5,654.87
1000	3,141,592.65	6,283.19