Free nutrition calculator
Find your starting targets
Estimate starting calories and protein from your body size, activity, and fat-loss pace. The same calculation the 90-Day Body Rebuild uses to set up Precision Mode and pick your Simple Serving level. Free, no email required.
Targets are the starting line, not the plan.
The 90-Day Body Rebuild tells you what to do with these numbers: three lifting days a week, a nutrition mode built around them, and the tracking to adjust as your body changes.