And be prepared that the online calculators grossly overestimate the daily expenditure, even well regarded ones like this: https://www.niddk.nih.gov/bwp https:

And be prepared that the online calculators grossly overestimate the daily expenditure, even well regarded ones like this: https://www.niddk.nih.gov/bwp https://www.niddk.nih.gov/bwp I'd take the advice posted elsewhere, start with 1500/1300 kcal for men/women and see how it goes for a month.