One method:
Take the decimal number, divide by 16.
The remainder of the division will be the least significant (rightmost) digit of the hexadecimal number. (Of couse, convert 10 to a, 11 to b, etc.)
Take the quotient from the previous step, divide it by 16. The remainder will be the next digit of the hexadecimal number (going right to left).
Repeat until the quotient is 0.
Example: Convert 300 to hexadecimal.
300/16 = 18 Remainder 12 (12 is c in hex).
18 /16 = 1 remainder 2.
1/16 = 0 remainder 1.
So the hexadecimal number is 12c.
Use the operating systems built in calculator in "programmer" mode. Set the calculator to 'hexadecimal', type in the number in hexadecimal then set the calculator to 'decimal' and the displayed number will be redisplayed in decimal.
alternatively do it long hand - Hexadecimal means base 16 so the count goes
Decimal Hexidecimal, Decimal Hexidecimal
0---------0----------------16------10
1---------1----------------17------11
2---------2----------------18------12
3---------3----------------19------13
4---------4----------------20------14
5---------5----------------21------15
6---------6----------------22------16
7---------7----------------23------17
8---------8----------------24------18
9---------9----------------25------19
10--------A---------------26------1A
11--------B---------------27------1B
12--------C---------------28------1C
13--------D---------------29------1D
14--------E---------------30------1E
15--------F---------------31------1F
etc.
0X
The answer will depend on what you want to convert into a decimal number.
multiply the decimal by 100 to convert it into a percent.
The answer depends on what you wish to convert to a decimal. The smell of a lemon you cannot.
0.3 is a decimal.
200 = C8
1234 = 4d2
fff. fff in hexadecimal is 4095 in decimal.
13 and 14 respectively in decimal D and E respectively in Hexidecimal
0X
You cannot convert a decimal into a decimal!
0.2 already is a decimal. There is nothing to convert.0.2 already is a decimal. There is nothing to convert.0.2 already is a decimal. There is nothing to convert.0.2 already is a decimal. There is nothing to convert.
Convert 29.53 to decimal
The answer will depend on what you want to convert into a decimal number.
multiply the decimal by 100 to convert it into a percent.
If the number is already in decimal form, you do not need to do anything to "convert" it to decimal!
9.80 IS a decimal so to convert it to a decimal you, very carefully, leave it exactly as it is.