# NutriScale > Calculateurs gratuits de nutrition : calories, macros, IMC, besoin en eau. Objectifs perte, maintien ou prise de masse. Sans inscription. ## Main URLs - Home: https://choisario.com/nutri-scale/en/ - Calorie calculator: https://choisario.com/nutri-scale/en/calorie-calculator - BMI calculator: https://choisario.com/nutri-scale/en/bmi-calculator - Water calculator: https://choisario.com/nutri-scale/en/water-intake-calculator - BMI hub: https://choisario.com/nutri-scale/en/bmi-by-height-weight - Macros guide: https://choisario.com/nutri-scale/en/macros-guide - Weight loss guide: https://choisario.com/nutri-scale/en/weight-loss-guide - FAQ: https://choisario.com/nutri-scale/en/faq - Glossary: https://choisario.com/nutri-scale/en/glossary - About: https://choisario.com/nutri-scale/en/about - Sitemap: https://choisario.com/nutri-scale/sitemap.xml ## French URLs - Accueil: https://choisario.com/nutri-scale/fr/ - Calculateur calories: https://choisario.com/nutri-scale/fr/calculateur-calories - Calculateur IMC: https://choisario.com/nutri-scale/fr/calculateur-imc ## Formulas - BMR: Mifflin-St Jeor - BMI: weight(kg) / height(m)^2, WHO categories - Water: 35 ml/kg + activity/climate bonuses - Macros: protein 1.8-2 g/kg, fat 25-28%, remainder carbs ## Programmatic BMI pages 44 height/weight combinations indexed in sitemap (FR + EN).