Fraction 1 / 21

What is 1 over 21 as a decimal? Use this simple calculator to simplify (reduce) 1 / 21 and turn it into a decimal.

Click here for the opposite conversion

Numerator

Denominator

What is 1 / 21 simplified?

¹⁄₂₁ is already simplified

What is 1 / 21 as a decimal?

0.047619(repeating digits marked)

What is 1 / 21 as a percentage?

4.762% (rounded to 3 decimal places)

What is 1 / 21 as a mixed number?

¹⁄₂₁ = 0 ¹⁄₂₁

What is 1 / 21 spelled out?

one twenty-first

Other numerators

decimals rounded to 6 digits

Fraction	Reduced	Decimal
2 / 21	2 / 21	0.0952381
3 / 21	1 / 7	0.142857
4 / 21	4 / 21	0.190476
5 / 21	5 / 21	0.238095
6 / 21	2 / 7	0.285714
7 / 21	1 / 3	0.333333
8 / 21	8 / 21	0.380952
9 / 21	3 / 7	0.428571
10 / 21	10 / 21	0.476190
11 / 21	11 / 21	0.523810
12 / 21	4 / 7	0.571429
13 / 21	13 / 21	0.619048
14 / 21	2 / 3	0.666667

Other denominators

decimals rounded to 6 digits

Fraction	Reduced	Decimal
1 / 42	1 / 42	0.0238095
1 / 63	1 / 63	0.0158730
1 / 84	1 / 84	0.0119048
1 / 105	1 / 105	0.00952381
1 / 126	1 / 126	0.00793651
1 / 147	1 / 147	0.00680272
1 / 168	1 / 168	0.00595238
1 / 189	1 / 189	0.00529101
1 / 210	1 / 210	0.00476190
1 / 231	1 / 231	0.00432900
1 / 252	1 / 252	0.00396825
1 / 273	1 / 273	0.00366300
1 / 294	1 / 294	0.00340136