private static final double BITS_KILLA = 1000;
        private static final double BITS_MEGA = Math.pow(BITS_KILLA, 2);
        private static final double BITS_GIGA = Math.pow(BITS_KILLA, 3);
        private static final double BITS_TERRA = Math.pow(BITS_KILLA, 4);
        private static final double BITS_PETA = Math.pow(BITS_KILLA, 5);
        private static final double BYTES_KILLA = 1024;
        private static final double BYTES_MEGA = Math.pow(BYTES_KILLA, 2);
        private static final double BYTES_GIGA = Math.pow(BYTES_KILLA, 3);
        private static final double BYTES_TERRA = Math.pow(BYTES_KILLA, 4);
        private static final double BYTES_PETA = Math.pow(BYTES_KILLA, 5);