The chief aim of calculating a total daily dose by means of weight is to get an idea of what your basal dose should be, which is supposed to be round about 50% of your daily total; none of these calculated doses are carved in stone – there’s no commandment stating “Thou shalt be banished from the diabetic fratty sorority/ sorry fraternity…” if your requirements exceed/fall short of it.
Off topic, I’ve caught many a sub-2 fish…but usually that is after guzzling glucose – I’m not capable of handling a meter before taking antidote, otherwise I could have bragged with even tinier plankton 