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Online Calculators & Tools

Decimal to Octal Converter

10
8
16

Decimal to octal calculation steps

Divide by the base 8 to get the digits from the remainders:

Division
by 8
Quotient

Remainder

(Digit)
Digit #

How to convert from decimal to octal

Conversion steps:

  1. Divide the number by 8.
  2. Get the integer quotient for the next iteration.
  3. Get the remainder for the octal digit.
  4. Repeat the steps until the quotient is equal to 0.
Division
by 8
Quotient
(integer)
Remainder
(decimal)
Remainder
(octal)
Digit #
7562/8945220
945/8118111
118/814662
14/81663
1/80114

So 756210 = 166128

Division
by 8
QuotientRemainder
(decimal)
Remainder
(octal)
Digit #
35631/84453770
4453/8556551
556/869442
69/88553
8/81004
1/80115

So 3563110 = 1054578

Decimal to octal conversion table

Decimal

base 10

Octal

base 8

00
11
22
33
44
55
66
77
810
911
1012
1113
1214
1315
1416
1517
1620
1721
1822
1923
2024
2125
2226
2327
2430
2531
2632
2733
2834
2935
3036
4050
5062
6074
70106
80120
90132
100144
200310
10001750
20003720