BangBangYOUR EVERYDAY TOOLBOX
Health & Fitness15
Browse every tool included in BangBang. Each page explains the task, how to use it and how its workspace is designed.
Coming to the App Store. Download will be available after release.
Macro Calculator
Convert a user-provided daily calorie target and protein, carbohydrate, and fat ratios into grams.
Health & FitnessSleep Time Planner
Show several sleep-duration options from a planned bedtime or wake time.
Health & FitnessBody Surface Area
Compare adult surface-area estimates from height and weight.
Health & FitnessBMI Calculator
Calculate adult BMI or child BMI-for-age with CDC reference curves, locally.
Health & FitnessDaily Energy Needs
Estimate adult resting and daily energy with three formulas and five activity assumptions.
Health & FitnessBody Composition
Estimate body fat from circumferences or convert a known percentage to fat and lean mass.
Health & FitnessHeight-based Weight Range
Convert BMI reference endpoints to weight for a height, with optional historical equations.
Health & FitnessPregnancy Dates
Estimate pregnancy dates from a period, conception, supplied due date or IVF transfer.
Health & FitnessPregnancy Weight Gain
View versioned pregnancy weight-gain guidance and approximate weekly chart bands.
Health & FitnessChild Height Estimate
Explore a rough adult-height range with clear method and age limits.
Health & FitnessCalories Burned
Estimate activity energy from a versioned MET, weight and duration.
Health & FitnessCycle Prediction
Explore rough calendar ranges from completed cycle lengths, with clear limits.
Health & FitnessBody Shape Ratios
Compare geometric circumference ratios with optional source descriptions.
Health & FitnessGolf Handicap
Estimate a nonofficial index from 3–20 rounds using a WHS 2024 snapshot.
Health & FitnessBAC Estimate
Explore uncertain alcohol scenarios with emergency guidance; never for driving decisions.