Calculate the Area of an Circle

This will calculate the area of a circle based on its radius.

Radius
Area
314.159265
(results are rounded)

Area of a Circle Formula

The area of circle is pi times the square of its radius.
Area = π * Radius2

Area of a Circle Table
results are rounded
RadiusArea
13.1416
212.566
328.274
450.265
578.540
6113.10
7153.94
8201.06
9254.47
10314.16
11380.13
12452.39
13530.93
14615.75
15706.86
16804.25
17907.92
181,017.9
191,134.1
201,256.6
211,385.4
221,520.5
231,661.9
241,809.6
251,963.5
262,123.7
272,290.2
282,463.0
292,642.1
302,827.4
313,019.1
323,217.0
333,421.2
343,631.7
353,848.5
364,071.5
374,300.8
384,536.5
394,778.4
405,026.5
415,281.0
425,541.8
435,808.8
446,082.1
456,361.7
466,647.6
476,939.8
487,238.2
497,543.0
507,854.0
518,171.3
528,494.9
538,824.7
549,160.9
559,503.3
569,852.0
RadiusArea
5710,207
5810,568
5910,936
6011,310
6111,690
6212,076
6312,469
6412,868
6513,273
6613,685
6714,103
6814,527
6914,957
7015,394
7115,837
7216,286
7316,742
7417,203
7517,671
7618,146
7718,627
7819,113
7919,607
8020,106
8120,612
8221,124
8321,642
8422,167
8522,698
8623,235
8723,779
8824,328
8924,885
9025,447
9126,016
9226,590
9327,172
9427,759
9528,353
9628,953
9729,559
9830,172
9930,791
10031,416
10534,636
11038,013
11541,548
12045,239
12549,087
13053,093
13557,256
14061,575
14566,052
15070,686
15575,477
16080,425
RadiusArea
16585,530
17090,792
17596,211
180101,788
185107,521
190113,411
195119,459
200125,664
205132,025
210138,544
215145,220
220152,053
225159,043
230166,190
235173,494
240180,956
245188,574
250196,350
255204,282
260212,372
265220,618
270229,022
275237,583
280246,301
285255,176
290264,208
295273,397
300282,743
305292,247
310301,907
315311,725
320321,699
325331,831
330342,119
335352,565
340363,168
345373,928
350384,845
355395,919
360407,150
365418,539
370430,084
375441,786
380453,646
385465,663
390477,836
395490,167
400502,655
405515,300
410528,102
415541,061
420554,177
425567,450
430580,880
435594,468
440608,212
RadiusArea
445622,114
450636,173
455650,388
460664,761
465679,291
470693,978
475708,822
480723,823
485738,981
490754,296
495769,769
500785,398
505801,185
510817,128
515833,229
520849,487
525865,901
530882,473
535899,202
540916,088
545933,132
550950,332
555967,689
560985,203
5651,002,875
5701,020,703
5751,038,689
5801,056,832
5851,075,132
5901,093,588
5951,112,202
6001,130,973
6051,149,901
6101,168,987
6151,188,229
6201,207,628
6251,227,185
6301,246,898
6351,266,769
6401,286,796
6451,306,981
6501,327,323
6551,347,822
6601,368,478
6651,389,291
6701,410,261
6751,431,388
6801,452,672
6851,474,114
6901,495,712
6951,517,468
7001,539,380
7051,561,450
7101,583,677
7151,606,061
7201,628,602
RadiusArea
7251,651,300
7301,674,155
7351,697,167
7401,720,336
7451,743,662
7501,767,146
7551,790,786
7601,814,584
7651,838,539
7701,862,650
7751,886,919
7801,911,345
7851,935,928
7901,960,668
7951,985,565
8002,010,619
8052,035,831
8102,061,199
8152,086,724
8202,112,407
8252,138,246
8302,164,243
8352,190,397
8402,216,708
8452,243,176
8502,269,801
8552,296,583
8602,323,522
8652,350,618
8702,377,871
8752,405,282
8802,432,849
8852,460,574
8902,488,456
8952,516,494
9002,544,690
9052,573,043
9102,601,553
9152,630,220
9202,659,044
9252,688,025
9302,717,163
9352,746,459
9402,775,911
9452,805,521
9502,835,287
9552,865,211
9602,895,292
9652,925,530
9702,955,925
9752,986,477
9803,017,186
9853,048,052
9903,079,075
9953,110,255
1,0003,141,593