Convert Octal to Decimal

Base 8 to base 10 number converter

Octal (Base 8)

Decimal (Base 10)

Common Values Reference

Octal (Base 8)	Decimal (Base 10)
0	0
1	1
2	2
4	4
7	7
10	8
11	9
12	10
17	15
20	16
37	31
40	32
77	63
100	64
177	127
200	128
377	255

How to Convert Octal to Decimal

To convert a Octal (base 8) number to Decimal (base 10): first express the number in decimal, then convert to base 10 by repeatedly dividing and collecting remainders.

Convert Octal to Decimal

Common Values Reference

How to Convert Octal to Decimal

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Popular Conversions

Octal (Base 8)	Decimal (Base 10)
0	0
1	1
2	2
4	4
7	7
10	8
11	9
12	10
17	15
20	16
37	31
40	32
77	63
100	64
177	127
200	128
377	255

Octal (Base 8)	Decimal (Base 10)
0	0
1	1
2	2
4	4
7	7
10	8
11	9
12	10
17	15
20	16
37	31
40	32
77	63
100	64
177	127
200	128
377	255

Octal (Base 8)	Decimal (Base 10)
0	0
1	1
2	2
4	4
7	7
10	8
11	9
12	10
17	15
20	16
37	31
40	32
77	63
100	64
177	127
200	128
377	255