What is the square root of 0.4?

Here is the answer to questions like: What is the square root of 0.4? or what is the square root of 0.4?

Use the square root calculator below to find the square root of any imaginary or real number. See also in this web page a Square Root Table from 1 to 100 as well as the Babylonian Method or Hero's Method.

Square Root Calculator

Please enter a real number:
 
Square root result:
The square root of 0.4 is 0.63245553203368. Or,
0.4 = 0.63245553203368

See, below on this web page, details on how to calculate this square root using the Babylonian Method

If you are looking for a Cube Root Calculator, please click here.

The Babylonian Method also known as Hero's Method

See below how to calculate the square root of 0.4 step-by-step using the Babylonian Method also known as Hero's Method.

What is square root?

Definition of square root

A square root of a number 'a' is a number x such that x2 = a, in other words, a number x whose square is a. For example, 5 is the square root of 25 because 52 = 5•5 = 25, -5 is square root of 25 because (-5)2 = (-5)•(-5) = 25.

Square Root Table 1-100

Square roots from 1 to 100 rounded to the nearest thousandth.

numbersquaresquare root
111.000
241.414
391.732
4162.000
5252.236
6362.449
7492.646
8642.828
9813.000
101003.162
111213.317
121443.464
131693.606
141963.742
152253.873
162564.000
172894.123
183244.243
193614.359
204004.472
214414.583
224844.690
235294.796
245764.899
256255.000
numbersquaresquare root
266765.099
277295.196
287845.292
298415.385
309005.477
319615.568
321,0245.657
331,0895.745
341,1565.831
351,2255.916
361,2966.000
371,3696.083
381,4446.164
391,5216.245
401,6006.325
411,6816.403
421,7646.481
431,8496.557
441,9366.633
452,0256.708
462,1166.782
472,2096.856
482,3046.928
492,4017.000
502,5007.071
numbersquaresquare root
512,6017.141
522,7047.211
532,8097.280
542,9167.348
553,0257.416
563,1367.483
573,2497.550
583,3647.616
593,4817.681
603,6007.746
613,7217.810
623,8447.874
633,9697.937
644,0968.000
654,2258.062
664,3568.124
674,4898.185
684,6248.246
694,7618.307
704,9008.367
715,0418.426
725,1848.485
735,3298.544
745,4768.602
755,6258.660
numbersquaresquare root
765,7768.718
775,9298.775
786,0848.832
796,2418.888
806,4008.944
816,5619.000
826,7249.055
836,8899.110
847,0569.165
857,2259.220
867,3969.274
877,5699.327
887,7449.381
897,9219.434
908,1009.487
918,2819.539
928,4649.592
938,6499.644
948,8369.695
959,0259.747
969,2169.798
979,4099.849
989,6049.899
999,8019.950
10010,00010.000

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