- See the Dr. Math FAQ for help with Finding Square Roots
Without a Calculator.
- Table of Squares and Square Roots, 1-100
|
number
|
square
|
sqrt
|
|
number
|
square
|
sqrt
|
|
1
|
1
|
1.000
|
|
51
|
2,601
|
7.141
|
|
2
|
4
|
1.414
|
|
52
|
2,704
|
7.211
|
|
3
|
9
|
1.732
|
|
53
|
2,809
|
7.280
|
|
4
|
16
|
2.000
|
|
54
|
2,916
|
7.348
|
|
5
|
25
|
2.236
|
|
55
|
3,025
|
7.416
|
|
6
|
36
|
2.449
|
|
56
|
3,136
|
7.483
|
|
7
|
49
|
2.646
|
|
57
|
3,249
|
7.550
|
|
8
|
64
|
2.828
|
|
58
|
3,364
|
7.616
|
|
9
|
81
|
3.000
|
|
59
|
3,481
|
7.681
|
|
10
|
100
|
3.162
|
|
60
|
3,600
|
7.746
|
|
11
|
121
|
3.317
|
|
61
|
3,721
|
7.810
|
|
12
|
144
|
3.464
|
|
62
|
3,844
|
7.874
|
|
13
|
169
|
3.606
|
|
63
|
3,969
|
7.937
|
|
14
|
196
|
3.742
|
|
64
|
4,096
|
8.000
|
|
15
|
225
|
3.873
|
|
65
|
4,225
|
8.062
|
|
16
|
256
|
4.000
|
|
66
|
4,356
|
8.124
|
|
17
|
289
|
4.123
|
|
67
|
4,489
|
8.185
|
|
18
|
324
|
4.243
|
|
68
|
4,624
|
8.246
|
|
19
|
361
|
4.359
|
|
69
|
4,761
|
8.307
|
|
20
|
400
|
4.472
|
|
70
|
4,900
|
8.367
|
|
21
|
441
|
4.583
|
|
71
|
5,041
|
8.426
|
|
22
|
484
|
4.690
|
|
72
|
5,184
|
8.485
|
|
23
|
529
|
4.796
|
|
73
|
5,329
|
8.544
|
|
24
|
576
|
4.899
|
|
74
|
5,476
|
8.602
|
|
25
|
625
|
5.00
|
|
75
|
5,625
|
8.660
|
|
26
|
676
|
5.099
|
|
76
|
5,776
|
8.718
|
|
27
|
729
|
5.196
|
|
77
|
5,929
|
8.775
|
|
28
|
784
|
5.292
|
|
78
|
6,084
|
8.832
|
|
29
|
841
|
5.385
|
|
79
|
6,241
|
8.888
|
|
30
|
900
|
5.477
|
|
80
|
6,400
|
8.944
|
|
31
|
961
|
5.568
|
|
81
|
6,561
|
9.000
|
|
32
|
1,024
|
5.657
|
|
82
|
6,724
|
9.055
|
|
33
|
1,089
|
5.745
|
|
83
|
6,889
|
9.110
|
|
34
|
1,156
|
5.831
|
|
84
|
7,056
|
9.165
|
|
35
|
1,225
|
5.916
|
|
85
|
7,225
|
9.220
|
|
36
|
1,296
|
6.000
|
|
86
|
7,396
|
9.274
|
|
37
|
1,369
|
6.083
|
|
87
|
7,569
|
9.327
|
|
38
|
1,444
|
6.164
|
|
88
|
7,744
|
9.381
|
|
39
|
1,521
|
6.245
|
|
89
|
7,921
|
9.434
|
|
40
|
1,600
|
6.325
|
|
90
|
8,100
|
9.487
|
|
41
|
1,681
|
6.403
|
|
91
|
8,281
|
9.539
|
|
42
|
1,764
|
6.481
|
|
92
|
8,464
|
9.592
|
|
43
|
1,849
|
6.557
|
|
93
|
8,649
|
9.644
|
|
44
|
1,936
|
6.633
|
|
94
|
8,836
|
9.695
|
|
45
|
2,025
|
6.708
|
|
95
|
9,025
|
9.747
|
|
46
|
2,116
|
6.782
|
|
96
|
9,216
|
9.798
|
|
47
|
2,209
|
6.856
|
|
97
|
9,409
|
9.849
|
|
48
|
2,304
|
6.928
|
|
98
|
9,604
|
9.899
|
|
49
|
2,401
|
7.000
|
|
99
|
9,801
|
9.950
|
|
50
|
2,500
|
7.071
|
|
100
|
10,000
|
10.000
|
|
