Question 1
What percent of air is oxygen?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
20.9%
Guess the Percent answers
52 levels · 52 answers · Trivia
Find your level below. Open a board, then choose a hint or reveal its answers.
52 levels
Levels 1–50
Level 1Answer & hint
Level 1
Link to this levelView original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 2Answer & hint
Level 2
Link to this levelQuestion 1
What percent of a can of Coca-Cola is sugar?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
10.6%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 3Answer & hint
Level 3
Link to this levelQuestion 1
What percent of the universe is dark matter?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
27%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 4Answer & hint
Level 4
Link to this levelQuestion 1
What percent of the universe is dark energy?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
68%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 5Answer & hint
Level 5
Link to this levelQuestion 1
What percent of the universe is ordinary matter?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
4.9%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 6Answer & hint
Level 6
Link to this levelQuestion 1
What percent of air is nitrogen?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
78.1%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 7Answer & hint
Level 7
Link to this levelQuestion 1
What percent of Earth's surface is ocean?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
71%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 8Answer & hint
Level 8
Link to this levelQuestion 1
What percent of Earth's water is fresh?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
2.5%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 9Answer & hint
Level 9
Link to this levelQuestion 1
What percent of Earth's water is in the oceans?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
96.5%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 10Answer & hint
Level 10
Link to this levelQuestion 1
What percent of an adult's body is water?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
60%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 11Answer & hint
Level 11
Link to this levelQuestion 1
What percent of the Solar System's mass is the Sun?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
99.86%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 12Answer & hint
Level 12
Link to this levelQuestion 1
What percent of Earth's crust is oxygen, by weight?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
46%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 13Answer & hint
Level 13
Link to this levelQuestion 1
What percent of your body is oxygen, by weight?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
65%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 14Answer & hint
Level 14
Link to this levelQuestion 1
What percent of the atoms in your body are hydrogen?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
62%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 15Answer & hint
Level 15
Link to this levelQuestion 1
What percent of whole milk is water?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
88%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 16Answer & hint
Level 16
Link to this levelQuestion 1
What percent of a cucumber is water?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
95%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 17Answer & hint
Level 17
Link to this levelQuestion 1
What percent of a watermelon is water?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
91%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 18Answer & hint
Level 18
Link to this levelQuestion 1
What percent of a banana is water?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
75%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 19Answer & hint
Level 19
Link to this levelQuestion 1
What percent of seawater is salt?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
3.5%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 20Answer & hint
Level 20
Link to this levelQuestion 1
What percent of your blood is plasma?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
55%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 21Answer & hint
Level 21
Link to this levelQuestion 1
What percent of your bones are in your hands and feet?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
51.5%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 22Answer & hint
Level 22
Link to this levelQuestion 1
What percent of your body's resting energy does the brain use?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
20%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 23Answer & hint
Level 23
Link to this levelQuestion 1
What percent of Earth's land is Antarctica?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
9.5%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 24Answer & hint
Level 24
Link to this levelQuestion 1
What percent of the world's ice is in Antarctica?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
90%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 25Answer & hint
Level 25
Link to this levelQuestion 1
What percent of 18-karat gold is gold?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
75%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 26Answer & hint
Level 26
Link to this levelQuestion 1
What percent of 14-karat gold is gold?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
58.3%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 27Answer & hint
Level 27
Link to this levelQuestion 1
What percent of sterling silver is silver?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
92.5%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 28Answer & hint
Level 28
Link to this levelQuestion 1
What percent of a US penny is zinc?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
97.5%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 29Answer & hint
Level 29
Link to this levelQuestion 1
What percent of a US nickel is nickel?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
25%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 30Answer & hint
Level 30
Link to this levelQuestion 1
What percent of honey is sugar?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
82%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 31Answer & hint
Level 31
Link to this levelQuestion 1
What percent of butter is fat?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
81%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 32Answer & hint
Level 32
Link to this levelQuestion 1
What percent of peanut butter is fat?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
50%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 33Answer & hint
Level 33
Link to this levelQuestion 1
What percent of an avocado is fat?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
15%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 34Answer & hint
Level 34
Link to this levelQuestion 1
What percent of Earth's gravity does the Moon have?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
16.6%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 35Answer & hint
Level 35
Link to this levelQuestion 1
What percent of Earth's gravity does Mars have?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
38%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 36Answer & hint
Level 36
Link to this levelQuestion 1
What percent of its top speed does light keep in water?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
75%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 37Answer & hint
Level 37
Link to this levelQuestion 1
What percent of an iceberg is under water?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
89.5%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 38Answer & hint
Level 38
Link to this levelQuestion 1
What percent of a box does the biggest ball inside it fill?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
52.4%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 39Answer & hint
Level 39
Link to this levelQuestion 1
What percent of a square does the biggest circle inside it fill?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
78.5%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 40Answer & hint
Level 40
Link to this levelQuestion 1
What percent of the air's weight is below Everest's summit?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
67%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 41Answer & hint
Level 41
Link to this levelQuestion 1
What percent of people live in the Northern Hemisphere?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
89%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 42Answer & hint
Level 42
Link to this levelQuestion 1
What percent of the world's people live in Asia?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
59%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 43Answer & hint
Level 43
Link to this levelQuestion 1
What percent of Earth's surface is the Pacific Ocean?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
32%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 44Answer & hint
Level 44
Link to this levelQuestion 1
What percent of the Sun is hydrogen, by weight?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
73%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 45Answer & hint
Level 45
Link to this levelQuestion 1
What percent of Earth is iron, by weight?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
32%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 46Answer & hint
Level 46
Link to this levelQuestion 1
What percent of your DNA codes for proteins?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
1.5%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 47Answer & hint
Level 47
Link to this levelQuestion 1
What percent of an egg white is protein?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
11%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 48Answer & hint
Level 48
Link to this levelQuestion 1
What percent of a raw potato is water?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
79%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 49Answer & hint
Level 49
Link to this levelQuestion 1
What percent of the air you breathe out is oxygen?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
16%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 50Answer & hint
Level 50
Link to this levelQuestion 1
What percent of air is carbon dioxide?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
0.04%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Levels 51–52
Level 51Answer & hint
Level 51
Link to this levelQuestion 1
What percent of Earth's land is forest?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
31%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
Level 52Answer & hint
Level 52
Link to this levelQuestion 1
What percent of a raw carrot is water?
Show hint
Start with a rough estimate, then narrow the range.
Show answer
88%
View original puzzle board
Puzzle preview. Check that it matches your game. Check that it matches your puzzle.
No matching levels
Try fewer words or clear the search to see all levels.