All in one Fitness Calculator

Aieverything — Fitness & Health

A playful, modern dropdown hub for calculators — fast, animated, mobile‑first

All client‑side — your data stays in the browser Tap a section title to expand

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BMI Calculator

Body Mass Index

Height

cm m inch

Weight

kg lb

—

BMI: —

Categories: <18.5 Underweight, 18.5–24.9 Normal, 25–29.9 Overweight, ≥30 Obesity

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BMR Calculator

Mifflin‑St Jeor

Sex Male Female

Age (years)

Height (cm)

Weight (kg)

Activity Sedentary Light (1–3x/wk) Moderate (3–5x) Active (6–7x) Very active

BMR: — kcal/day • TDEE: — kcal/day

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Body Fat Calculator

US Navy method

Sex Male Female

Height (cm)

Neck (cm)

Waist (cm)

Hip (cm) — females

Body fat: —%

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Calorie Calculator

Maintenance & goals

TDEE (from BMR result)

Goal Fat loss (-20%) Maintain Muscle gain (+15%)

Daily target: — kcal

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Ideal Weight

Devine formula

Sex Male Female

Height

cm inch

Ideal weight: — kg

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Pace Calculator

Run/walk

Distance (km)

Time (hh:mm:ss)

Pace: — /km • Speed: — km/h

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Pregnancy Calculator

EDD from LMP

Last menstrual period (LMP)

Cycle length (days)

Estimated due date: —

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Due Date (from Conception)

266‑day gestation

Conception date

Estimated due date: —

Built for fun. Not medical advice.