CalQuanta smarter estimate of energy needs.
Use detailed activity inputs to understand your maintenance calories, estimate body composition for added context, and plan calorie intake with more precision.
Get a smarter calorie estimateCalorie Calculator
Estimate total daily energy expenditure and plan energy needs for your goals using the calorie calculator tool. Break down your day or week by the time you spend sleeping, sedentary, and in light, moderate, and vigorous activity, then add your typical diet profile to include the thermic effect of food for a more individually personalised estimate.
Body Measurements
Try our Body Fat Calculator to unlock all metrics.
Composition Calculator
Estimate body fat percentage, lean mass, and fat mass with a choice of two different single-site measurement methods. This gives you a practical baseline before you move into more detailed calorie planning.
Methods & Equations
Explore the assumptions, equations, and source references behind the major methods used in CalQuant. Everything is collected in one place so the model stays transparent, inspectable, and easier to understand.