Free tool
Calorie Calculator UK
Free calorie calculator: estimate calories to maintain or lose weight using the Mifflin–St Jeor formula and the NHS 600 kcal guide.
How many calories do I need?
1918 kcal
a day to stay the same weight
1318 kcal
a day to lose weight steadily (about 600 kcal less, NHS guide)
An estimate using the Mifflin–St Jeor formula, not medical advice. Not suitable in pregnancy or for under-18s.