Health Tools
Free online health calculators and trackers. BMI, body fat, calorie needs, keto macros, water intake, running pace, pregnancy due date, temperature tracker — private and instant.
Health and wellness calculators using established medical formulas: BMI (weight classification), Body Fat Percentage (US Navy method), Calorie & TDEE (Mifflin-St Jeor BMR), Keto Macros (targeted macro splits), Water Intake (weight/activity/climate-based), and Pace Calculator (run splits for 5K through marathon). No health data is stored, transmitted, or tracked — everything stays local. Key tools: Calorie & TDEE Calculator with macro targets, Body Fat Calculator with gender-specific measurements.
Health Metrics at Your Fingertips
Understanding your health starts with knowing your numbers. ToolStand health tools provide science-backed calculations for body composition, nutrition, hydration, fitness, and wellness. Each tool uses established medical formulas and provides clear, actionable results without storing or transmitting any personal health data.
Privacy Commitment
Health data is among the most sensitive personal information. ToolStand health tools process everything client-side — your weight, height, age, measurements, and other inputs never leave your browser. There is no server to hack, no database to leak, and no third party to sell your data to. This is fundamentally different from most health apps and websites that collect, store, and monetize your health information.
Integrated Health Tracking
The health tools work together as a system. Calculate your BMI, then get your body fat percentage for a more complete body composition picture. Find your TDEE and macro targets, then use the keto calculator for specialized diet planning. Calculate your water intake needs and running pace. Log body temperature trends with the temperature tracker. Each tool informs the others, giving you a holistic view of your health.
All Health Tools on ToolStand
- BMI Calculator — Body Mass Index with classification. Instant results, no data storage.
- Body Fat Calculator — US Navy method. Gender-specific with neck, waist, and hip measurements.
- Calorie & TDEE Calculator — Mifflin-St Jeor BMR, activity multipliers, macro breakdown.
- Keto & Macro Calculator — Keto-specific macros with BMR, TDEE, and doughnut chart.
- Water Intake Calculator — Daily hydration needs based on weight, activity, and climate.
- Pace & Running Calculator — Pace, time, distance with race splits. 5K through marathon.
- Due Date Calculator — Estimate pregnancy due date. No sign-ups, fully private.
- Temperature Tracker — Log body temp, chart trends, export CSV. Fever alerts.
- Decibel Meter — Measure sound levels. Hearing protection and noise monitoring.
Frequently Asked Questions
Are these tools really free? Yes — every tool on ToolStand is completely free with no paywalls, subscriptions, or premium tiers.
Do I need to create an account? No. All tools work instantly in your browser without sign-ups, accounts, or email verification.
Is my data safe? Absolutely. Everything runs client-side in your browser. Your files, text, and data never leave your device.
Can I use these tools on mobile? Yes — ToolStand is fully responsive and works on phones, tablets, and desktops.
Do these tools work offline? Many tools work offline after the first visit thanks to our service worker caching.
Can I embed these tools on my own website? Many tools support embedding via iframe. Check individual tool pages for embed codes.