About VitalsCharts health tracking with charts and history
VitalsCharts is a static, privacy-first hub for everyday health math. All eight tools run 100 percent client-side with no account and no uploads. Your entries stay in localStorage under keys like vc-history-bmi-calculator, vc-history-tdee-calculator and vc-history-period-calculator, so you can track yourself over weeks and see trend lines. Each page pairs a left-side form with right-side results on desktop and stacks cleanly on mobile with bottom tabs, large touch targets and safe-area padding.
Pregnancy due date calculator with ovulation and week-by-week progress
Our pregnancy due date calculator uses Naegele rule from last menstrual period, adds conception date estimation, fertility window prediction, trimester milestone calculation and gestational age display. The week by week pregnancy progress chart, fetal growth line, trimester pie and ultrasound adjustment note help you follow baby development week by week and plan a pregnancy calendar. IVF due date logic and pregnancy weight gain context are included as estimates for discussion with your doctor.
TDEE calculator with macro breakdown and body-fat estimator
The TDEE calculator combines Mifflin-St Jeor, Harris-Benedict and Katch-McArdle BMR paths with activity multipliers from sedentary to athlete. You get maintenance calories with charts, macro split for bulking and cutting, lean body mass estimation, goal based macro planning and total daily energy expenditure visualization by age and gender. Radar, bar and line views make calorie needs and macro ratio recommendations easy to compare before you recalculate every few weeks.
Indian food calorie calculator with macro tracker
The Indian food calorie calculator covers roti with and without ghee, sabzi, dal, paneer butter masala, biryani, thali combinations and street food estimates from a static 48-item database. Log meals client-side to see protein carbs fat per Indian meal, daily macro totals for Indian vegetarian diets, stacked bar intake and horizontal bar comparisons. It answers practical queries like calories in roti sabzi dal and whether biryani is high in calories, with charts you can export.
A1C to blood sugar converter with diabetes risk context
Convert HbA1c to estimated average glucose with eAG equals 28.7 times A1C minus 46.7, and back from glucose to A1C. The page includes an HbA1c to blood sugar chart, prediabetes range flags, a1c risk level gauge, blood sugar log visualizer and plain-language notes on lowering A1C through habits to discuss with your clinician. PDF exports carry heavy disclaimers because this is a chronic-condition aid, not a diagnosis.
BMR calculator with activity multiplier and TDEE comparison
The BMR calculator shows basal metabolic rate by age gender weight and height using both Harris Benedict and Mifflin St Jeor paths, then layers activity to explain BMR versus TDEE. Resting metabolic rate visuals and men women charts clarify why two people with the same weight can have different needs, including notes relevant for Indian body types. Use it with the TDEE page for a complete maintenance picture.
BMI calculator with ideal weight and body-fat visualizer
Check body mass index in kg per meter squared with Asian cutoff context, healthy weight range visualization, ideal weight guidance, body fat percentage estimation and waist to height ratio. Gauge, pie and line charts show categories at a glance and whether BMI is accurate for Indian and Asian builds. History tracking reveals slow trends better than any single reading.
Period calculator with cycle and ovulation prediction
Enter last period and cycle length to get next period date, ovulation estimate fourteen days before next bleed, fertile window, cycle length insights and irregular period ranges without false precision. Line, pie and heatmap style visuals map menstrual cycle phases for planning, alongside answers on late periods and ovulation from last period.
Hydration calculator with water intake tracker
Estimate daily water intake from weight plus exercise and climate bumps, then log glasses to see gauge progress, line intake and bar goal visuals. The page explains hydration needs by weight and activity, electrolyte balance basics, dehydration risk signs and goal setting for training days. Lightweight and fast on phones for daily use.
Every tool page includes its primary keyword title and meta, HowTo and Calculator schema, an FAQPage block you can extend later, share buttons, related vitals tools linking to the other seven calculators, and the YMYL notice that this tool is for educational purposes only and is not a substitute for professional medical advice. Always consult your doctor. Reports embed the same charts and inputs with branded headers for a fully professional download.