def split_multiplier(string):
    """
    Split a string of "1k" in number and letter.

    :param string: number with character multiplier as string
    :return: number, char
    """
    nr = ''
    tx = ''
    for char in string:
        if char.isdigit() or char == '-' or char == '.':
            nr += char
        else:
            tx += char
    return float(nr), tx.strip()