Calculate your Body Mass Index (BMI) using imperial or metric units. v1.0
Compare BMI with body fat % using US Navy & Deurenberg methods — metric/imperial, friendly categories, mini chart. v1.0
Estimate Basal Metabolic Rate via Mifflin–St Jeor, Harris–Benedict, Katch–McArdle & Schofield — with TDEE multipliers. v1.0
Estimate daily maintenance & goal calories with activity multipliers — 100% client-side. v1.0
Pick an activity, enter weight and time, and see kcal burned using MET values. Private, client-side. v1.0.0
Estimate ideal body weight with Broca, Devine, Hamwi, and Robinson formulas. Metric & imperial, frame-size tweak. v1.0.0
Classify clinic, home, or ambulatory readings using ACC/AHA & NICE thresholds with a calm zone bar. v1.0.0
Convert HbA1c (NGSP % ↔ IFCC mmol/mol) and estimated average glucose (eAG) in mg/dL ↔ mmol/L. v1.0.0
Compute Total/HDL, LDL/HDL, Non-HDL, and AIP with a gentle, private-by-design interface. v1.0.0
Calm, private percentiles for weight, length/height, BMI and head circumference. WHO 0–5y and CDC 2–20y. v1.0.0
Estimate daily hydration needs from weight, exercise, climate & altitude — plus pregnancy/lactation options. v1.0.0
Estimate your one-repetition max using Epley, Brzycki, and Lombardi formulas. v1.0
Plan even or negative splits for 5K/10K/Half/Marathon with per-km/mi tables and CSV export — 100% client-side. v1.0
Enter any two (pace, speed, time, or distance) and compute the third. Km/mi aware, instant conversions. v1.0