Fitness Tools
Free calculators for planning calories, macros, and training
Calculators & Planning
Calculators for calories, macros, body weight, and training
Weekly calorie budget calculator
Plan a week or review complete logged days against your calorie target
Weekly weight-loss pace checker
Measure your actual weekly change using weigh-ins or weekly averages
Bulking Calculator
Calculate your caloric needs for muscle gain
Calorie deficit calculator
Turn maintenance calories and a weekly rate of loss into a daily deficit and intake
Cutting Calculator
Determine your ideal caloric deficit
Peptide Calculators Hub
Guides and calculators for self-administering research peptides
Semaglutide Calculator
Reconstitution calculator and injection guide for Semaglutide
Tirzepatide Calculator
Reconstitution calculator and injection guide for Tirzepatide
Retatrutide Calculator
Reconstitution calculator and injection guide for Retatrutide
Ideal Weight Calculator
Find your target weight range
Macro Calculator
Plan your protein, carbs, and fat intake
Alcohol Calorie Calculator
Estimate calories and U.S. standard drinks, then log them in Zolt
Cycling VO₂ max calculator
Estimate VO₂ max from a 5-minute power, or from a steady ride
Running VO₂ max calculator
Estimate VO₂ max from a race time or a 12-minute Cooper test
TDEE Calculator
Calculate your daily energy expenditure
Weight Timeline Planner
Plan your weight loss/gain journey
Food weight converters
Convert raw, dry, and cooked portions for food logging
All food weight converters
Estimate cooking yields or measure your own batch
Chicken weight converter
Convert portions in either direction with estimated or measured yields
Ground beef weight converter
Convert portions in either direction with estimated or measured yields
Rice weight converter
Convert portions in either direction with estimated or measured yields
Pasta weight converter
Convert portions in either direction with estimated or measured yields
Photo & Visual Tools
Create and enhance your fitness visuals
Assessment & Analysis
Analyze your current status and get personalized recommendations
Restaurant Calculators
Build your meal and see the full nutrition breakdown
All Restaurant Calculators
Search boba, tea, fast casual, and restaurant nutrition tools
Panda Express Calculator
Build your Panda Express meal and see calories & macros
Chipotle Calculator
Build your Chipotle bowl, burrito, or tacos & see macros
Cava Calculator
Build your Cava bowl or pita and see calories & macros
In-N-Out Calculator
Build your In-N-Out order and see calories & macros
Chick-fil-A Calculator
Build your Chick-fil-A meal and see calories & macros
Wingstop Calculator
Build your Wingstop order and see calories & macros per wing
Subway Calculator
Build your Subway sub, wrap, or bowl and see calories & macros
Creation Tools
Generate professional content and labels