Understanding Hexadecimal Numbers
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Beginner
Start here! Easy to understand
Beginner Explanation
Hexadecimal (base 16) uses digits 0–9 for values 0–9 and A–F for values 10–15. For example, the hex number 1A equals 1×16 + 10 = 26 in decimal.
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Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
What is the hexadecimal equivalent of $15$ in decimal?
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2
Real-World Problem
Question Exercise
Intermediate
Teenager Scenario
A web designer is using hexadecimal to set a color code. Convert the decimal $255$ to hexadecimal.
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3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
Can you convert the hexadecimal number $1A3$ to decimal?
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4
Challenge Quiz
Single Choice Quiz
Advanced
What is the hexadecimal equivalent of the binary number $11110000$?
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Recap
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