def to_human_readable(*values, suffix='B'):
    """Converts bytes to a more human-readable metric"""

    def convert(value):
        for unit in ['', 'K', 'M', 'G', 'T']:
            if abs(value) < 1024.0:
                return "%3.1f%s%s" % (value, unit, suffix)
            value /= 1024.0
        return None

    return tuple(convert(value) for value in values)