public class ConversionTool {

    public static void main(String[] args){}

    public static float CentimetersToInches(float centimeters){
        float value =0;
        if (centimeters > 0){
            float n = centimeters * 0.393701f;
            value = n;
            return value;
        }
        else{
        }
        return 0;
    }

    public static float InchesToCentimeters(float inches){
        float value = 0;
        if (inches > 0){
            float n = inches * 2.54f;
            value = n;
            return value;}
        else{
        }
        return 0;

    }

    public static float FeetToMeters(float feet){
        float value =0;
        if (feet > 0){
            float n = feet *0.3048f;
            value = n;
            return value;
        }
        else{
        }
        return 0;
    }

    public static float MetersToFeet(float meters){
        float value = 0;
        if (meters > 0){
            float n = meters * 3.28084f;
            value = n;
            return value;
        }
        else{
        }
        return 0;
    }

    public static float CelsiusToFahrenheit(float celsius){
        float value =0;
        if (celsius == 0){
            float n = 32;
        }
        if (celsius !=0){
            float n = celsius *1.8f + 32f;
            value = n;
        }
        return Math.round(value);
    }

    public static float FahrenheitToCelsius(float fahrenheit){

        float value = (fahrenheit - 32) * (5/9f);

        return value;
    }

    public static float MphToKph(float mph){
        float value =0;
        if (mph > 0){
            float n = mph * 1.60934f;
            value = n;
            return value;
        }
        else{
        }
        return 0;

    }

    public static float KphToMph(float kph){
        float value =0;
        if (kph > 0){
            float n = kph * 0.621371f;
            value = n;
            return value;
        }
        else {
        }
        return 0;
    }
}