[edit]Code tags added by Hammer. Use them next time please.Code:#include <iostream> using namespace std; int main() { double kilometers, double miles, double centigrade, double fahrenheit; double square_miles, double acres, double inches, double centimeters; int menu_number; cout << "Press enter after entering a value!\n"; cout << endl; cout << "MENU\n"; cout << endl; cout << "1) Kilometers to Miles\n"; cout << "2) Centigrade to Fahrenheit\n"; cout << "3) Square Miles to Acres\n"; cout << "4) Inches to Centimeters\n"; cout << endl; cout << "Please enter a number from the menu: "; cin >> menu_number; if (menu_number == '1'); { cout << "Please enter the number of kilometers: "; cin >> kilometers; cout << endl; miles = kilometers * 0.62; cout << kilometers << " kilometers equals " << miles << " miles.\n"; } else if (menu_number == '2'); { cout << "Please enter the degrees centigrade: "; cin >> centigrade; cout << endl; fahrenheit = ((9/5)*centigrade) + 32; cout << centigrade << " degrees centigrade equals " << fahrenheit << " degrees fahrenheit.\n"; } else if (menu_number == '3'); { cout << "Please enter the square mileage: "; cin >> square_miles; cout << endl; acres = square_miles * 640; cout << square_miles << " square miles equals " << acres << " acres.\n"; } else if (menu_number == '4'); { cout << "Please enter the number of inches: "; cin >> inches; cout << endl; centimeters = inches * 0.39; cout << inches << " inches equals " << centimeters << " centimeters.\n"; } else { cout << "You have entered an invalid number. Please try again.\n"; } return 0; }