We already have our first value **18** and the second value **15**. Let's assume the unknown value is **Y** which answer we will find out.

As we have all the required values we need, Now we can put them in a simple mathematical formula as below:

STEP 1 Y = 1815

By multiplying both numerator and denominator by 100 we will get:

STEP 2 Y = 1815 × 100100 = 120100

STEP 3 Y = 120

Finally, we have found the value of Y which is 120 and that is our answer.

If you want to use a calculator to find **18 is what percent of 15**, simply enter **18 ÷ 15 × 100** and you will get your answer which is **120**

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Here is a calculator to solve percentage calculations such as 18 is what percent of 15. You can solve this type of calculation with your values by entering them into the calculator's fields, and click *'Calculate'* to get the result and explanation.

**Question:** Your Uncle, who loves to collect antique coins, collected 18 coins from his list of 15 coins. What percent of coins has he collected?

**Answer:** He collected 120 percent of the coins from his list.

**Question:** Your aunt has baked 15 cookies, and she gave you 18 to take home with you. What percent of the cookies did she give you?

**Answer:** 120 percent of the cookies.

Let's solve the equation for Y by first rewriting it as: **100% / 15 = Y% / 18**

Drop the percentage marks to simplify your calculations: **100 / 15 = Y / 18**

Multiply both sides by 18 to isolate Y on the right side of the equation: **18 ( 100 / 15 ) = Y**

Computing the left side, we get: **120 = Y**

This leaves us with our final answer: **18 is 120 percent of 15**

18 is 120 percent of 15 |

18.01 is 120.067 percent of 15 |

18.02 is 120.133 percent of 15 |

18.03 is 120.2 percent of 15 |

18.04 is 120.267 percent of 15 |

18.05 is 120.333 percent of 15 |

18.06 is 120.4 percent of 15 |

18.07 is 120.467 percent of 15 |

18.08 is 120.533 percent of 15 |

18.09 is 120.6 percent of 15 |

18.1 is 120.667 percent of 15 |

18.11 is 120.733 percent of 15 |

18.12 is 120.8 percent of 15 |

18.13 is 120.867 percent of 15 |

18.14 is 120.933 percent of 15 |

18.15 is 121 percent of 15 |

18.16 is 121.067 percent of 15 |

18.17 is 121.133 percent of 15 |

18.18 is 121.2 percent of 15 |

18.19 is 121.267 percent of 15 |

18.2 is 121.333 percent of 15 |

18.21 is 121.4 percent of 15 |

18.22 is 121.467 percent of 15 |

18.23 is 121.533 percent of 15 |

18.24 is 121.6 percent of 15 |

18.25 is 121.667 percent of 15 |

18.26 is 121.733 percent of 15 |

18.27 is 121.8 percent of 15 |

18.28 is 121.867 percent of 15 |

18.29 is 121.933 percent of 15 |

18.3 is 122 percent of 15 |

18.31 is 122.067 percent of 15 |

18.32 is 122.133 percent of 15 |

18.33 is 122.2 percent of 15 |

18.34 is 122.267 percent of 15 |

18.35 is 122.333 percent of 15 |

18.36 is 122.4 percent of 15 |

18.37 is 122.467 percent of 15 |

18.38 is 122.533 percent of 15 |

18.39 is 122.6 percent of 15 |

18.4 is 122.667 percent of 15 |

18.41 is 122.733 percent of 15 |

18.42 is 122.8 percent of 15 |

18.43 is 122.867 percent of 15 |

18.44 is 122.933 percent of 15 |

18.45 is 123 percent of 15 |

18.46 is 123.067 percent of 15 |

18.47 is 123.133 percent of 15 |

18.48 is 123.2 percent of 15 |

18.49 is 123.267 percent of 15 |

18.5 is 123.333 percent of 15 |

18.51 is 123.4 percent of 15 |

18.52 is 123.467 percent of 15 |

18.53 is 123.533 percent of 15 |

18.54 is 123.6 percent of 15 |

18.55 is 123.667 percent of 15 |

18.56 is 123.733 percent of 15 |

18.57 is 123.8 percent of 15 |

18.58 is 123.867 percent of 15 |

18.59 is 123.933 percent of 15 |

18.6 is 124 percent of 15 |

18.61 is 124.067 percent of 15 |

18.62 is 124.133 percent of 15 |

18.63 is 124.2 percent of 15 |

18.64 is 124.267 percent of 15 |

18.65 is 124.333 percent of 15 |

18.66 is 124.4 percent of 15 |

18.67 is 124.467 percent of 15 |

18.68 is 124.533 percent of 15 |

18.69 is 124.6 percent of 15 |

18.7 is 124.667 percent of 15 |

18.71 is 124.733 percent of 15 |

18.72 is 124.8 percent of 15 |

18.73 is 124.867 percent of 15 |

18.74 is 124.933 percent of 15 |

18.75 is 125 percent of 15 |

18.76 is 125.067 percent of 15 |

18.77 is 125.133 percent of 15 |

18.78 is 125.2 percent of 15 |

18.79 is 125.267 percent of 15 |

18.8 is 125.333 percent of 15 |

18.81 is 125.4 percent of 15 |

18.82 is 125.467 percent of 15 |

18.83 is 125.533 percent of 15 |

18.84 is 125.6 percent of 15 |

18.85 is 125.667 percent of 15 |

18.86 is 125.733 percent of 15 |

18.87 is 125.8 percent of 15 |

18.88 is 125.867 percent of 15 |

18.89 is 125.933 percent of 15 |

18.9 is 126 percent of 15 |

18.91 is 126.067 percent of 15 |

18.92 is 126.133 percent of 15 |

18.93 is 126.2 percent of 15 |

18.94 is 126.267 percent of 15 |

18.95 is 126.333 percent of 15 |

18.96 is 126.4 percent of 15 |

18.97 is 126.467 percent of 15 |

18.98 is 126.533 percent of 15 |

18.99 is 126.6 percent of 15 |