Conversiones

#include <iostream>
using namespace std;

int main(){
    float litros, galones, pulgadas, pies;
    float metros;
    int opc;

    cout << "Introduce los metros cubicos: ";
    cin >> metros;

    cout << "\nCONVERTIR A: " << endl;
    cout << "1. Litros" << endl;
    cout << "2. Galones" << endl;
    cout << "3. Pulgadas cubicas" << endl;
    cout << "4. Pies cubicos" << endl;
    cout << "5. Salir" << endl << endl;
    cout << "Opcion: ";
    cin >> opc;
    cout << endl;


    if( opc==1 ){
        //litros
        litros = metros * 1000;
        cout << "Metros  =   Litros" << endl;
        cout << metros << " = " << litros << endl;
    }
    else if( opc==2 ){
        //galones
        galones = metros * 264.172;
        cout << "Metros  =   Galones" << endl;
        cout << metros << " = " << galones << endl;
    }
    else if( opc==3 ){
        //pulgadas
        pulgadas = metros * 61023.744;
        cout << "Metros  =   Pulgadas" << endl;
        cout << metros << " = " << pulgadas << endl;
    }
    else if( opc==4 ){
        //pies
        pies = metros * 35.315;
        cout << "Metros  =   Pies" << endl;
        cout << metros << " = " << pies << endl;
    }
    else{
        cout << "Adios" << endl;
    }

    return 0;
}