thaivh tools
All Tools

Free Health & Fitness Calculators

Calculate calories, macros, BMI, pregnancy due dates, and ovulation. Free health tools using medical-standard formulas.

5 tools available — all free, no sign-up required.

🔥

Calorie Calculator

Calculate your TDEE and daily calorie needs. Get personalized targets for weight loss, maintenance, or gain. Uses Mifflin-St Jeor and Harris-Benedict formulas.

CalculatorHealth
🤰

Pregnancy Calculator

Calculate due date from last period or conception date. Track fetal development week by week with milestones.

CalculatorHealth
🍽️

Macro Calculator

Calculate daily macros (protein, carbs, fat) based on TDEE and fitness goal. Supports cutting, bulking, maintenance with keto and low-carb presets.

CalculatorHealth
⚖️

BMI Calculator

Calculate BMI in metric or imperial units. Get ideal weight range and health risk assessment based on BMI categories.

CalculatorHealth
🥚

Ovulation Calculator

Calculate ovulation date and fertile window from last period. Track best days to conceive for pregnancy.

CalculatorHealth

Frequently Asked Questions

Are these Health & Fitness tools free to use?▾
Yes, all 5 tools in this category are completely free. No sign-up, no account, and no payment required. Every tool works instantly in your browser.
Do these tools work on mobile phones?▾
Yes. All tools are mobile-responsive and work on iOS, Android, and desktop browsers. Touch events are supported where applicable.
Is my data sent to a server?▾
Most tools run entirely in your browser — no data is transmitted. Tools that fetch live data (price charts, currency rates) only request public market data. No personal data is ever sent to any server.
How many Health & Fitness tools are available?▾
There are 5 tools in this category. All are free and require no sign-up. Browse the list above to find the tool you need.