4 steps
Start a Sustainable Cut
Find your true daily burn, set a safety-guarded calorie deficit, split it into macros, and schedule diet breaks.
Start Playbook → 100% free 🇺🇸 US Imperial default No signup · On-device
Track inches, not just pounds.
A connected pocket arcade of 29 calculators and trackers for weight loss, nutrition, and fitness. Enter your stats once — they flow automatically from tool to tool.
Guided Workflows
Arcade Playbooks — Multi-Step Missions
Your numbers carry over automatically from step to step.
4 steps
Non-Scale Victory Check
Go beyond scale weight: estimate Navy body fat %, check waist-to-hip health bands, project your future clothing size, and log inches.
Start Playbook → 4 steps
Smart Meal & Grocery Audit
Visualize 30g+ of protein on a real plate, compound a daily food swap over a year, scan barcodes, and balance treats.
Start Playbook →No tools matched that search filter.
Weight Loss
Saved
BMI Calculator
Body mass index with CDC ranges and your healthy weight window.
Launch tool Saved
BMR Calculator
What your body burns at rest, via Mifflin-St Jeor.
Launch tool Saved
TDEE Calculator
Daily energy needs for your real activity level.
Launch tool New Saved
Shrink Ray
Drag your goal, see the timeline. Safety-guarded deficit planning.
Launch tool Saved
Body Fat (Navy Method)
Tape-measure body fat estimate used by the US Navy.
Launch tool Saved
Ideal Weight Range
Four classic formulas, one honest range.
Launch tool Saved
Waist-to-Hip Ratio
Waist-to-hip ratio with WHO health-risk bands.
Launch tool Saved
Clothing Size Converter
US ⇄ EU ⇄ UK sizes for men and women.
Launch tool New Saved
Victory Vault
Track inches, not just pounds. Streaks, history, CSV export.
Launch tool New Saved
Future Size
What size will you wear at your goal weight?
Launch tool New Saved
Belt Notch & Closet Milestones
Turn pounds and inches into belt notches, knee-load relief, and volume lost.
Launch tool New Saved
Scale Noise Decoder
Did you gain fat overnight, or is it water from sodium, carbs, or sore muscles?
Launch tool New Saved
Body Recomp Radar
Scale stuck but waist shrinking? Decode simultaneous fat loss and muscle gain.
Launch tool New Saved
Maintenance Mode
Plan evidence-based diet breaks so fat loss keeps working.
Launch toolNutrition
Saved
Macro Split Calculator
Turn your calories into protein, carbs and fat targets.
Launch tool New Saved
Hand Portion Sizer
No food scale? Convert your macros into palms, fists, cupped hands, and thumbs.
Launch tool New Saved
Get 30g
Pick a protein target, see exactly how much food that is.
Launch tool New Saved
Protein Bang-for-Buck
Rank groceries by grams of protein per $1 and per 100 calories.
Launch tool New Saved
Scan It
Scan a barcode, get the nutrition scorecard instantly.
Launch tool New Saved
Food Facts Search
Search real food data from Open Food Facts.
Launch tool New Saved
Swap It
Two foods, one decision — and what a daily swap adds up to.
Launch tool New Saved
Water Intake
A daily hydration target based on your body and activity.
Launch toolFitness
New Saved
Workout Slot Machine
Set your equipment and time, pull the lever, get a workout.
Launch tool New Saved
One-Rep Max Arena
Estimate your 1RM and see where you rank.
Launch tool New Saved
Step Bank (Steps ⇄ Miles & Burn)
Turn daily steps into miles, active time, and net NEAT calories burned.
Launch tool New Saved
Heart Rate & Fat-Max Zones
Karvonen & Tanaka heart-rate zones with your Zone 2 aerobic sweet spot.
Launch tool New Saved
Race Predictor
One race time, every distance — could you Boston-qualify?
Launch tool New Saved
Walk It Off
Enter a treat, see the walk that balances it.
Launch tool New Saved
Train Outside
7-day outdoor comfort forecast for running and cycling.
Launch tool