Free tools

Quick answers before you start care.

Estimate the basics, then bring the context into a clinician-reviewed Caliber intake.

Body mass index

BMI Calculator

Get a quick BMI estimate, then understand what that number can and cannot tell you before a clinical weight-loss review.Open tool

Daily energy use

Estimate daily energy needs so calorie targets, GLP-1 appetite changes, and activity goals have a practical starting point.Open tool

Weight-loss planning

Model a sustainable deficit range instead of guessing how aggressively to cut calories.Open tool

Resting energy needs

Estimate resting energy use and see how it connects to daily calorie planning.Open tool

Lean mass support

Estimate a daily protein range to support satiety and lean-mass preservation during weight change.Open tool

Goal weight timing

Model a realistic goal-weight timeline at different weekly loss rates, with room for plateaus and medication adjustments.Open tool

Clinician discussion guide

Review common semaglutide and tirzepatide titration patterns so you know what to ask a clinician.Open tool

High-intent screening

Check common BMI, metabolic, medication, and insurance signals before starting a clinical GLP-1 intake.Open tool

Find the next step

Answer a few questions to decide whether lifestyle support, GLP-1 care, or a clinician intake is the right next step to explore.Open tool