7 free online tools
Health Tools
Calculate calories, BMR, body fat %, ideal body weight, running pace, pregnancy milestones, and daily water intake.
Calorie Calculator
Estimate daily calorie targets for weight loss, maintenance, or muscle gain.
Open toolBMR Calculator
Calculate Basal Metabolic Rate using Mifflin-St Jeor and Harris-Benedict formulas.
Open toolBody Fat Calculator
Estimate body fat percentage using US Navy body measurement formulas.
Open toolIdeal Weight Calculator
Calculate healthy weight ranges using Devine, Hamwi, Robinson, and Miller formulas.
Open toolPace Calculator
Calculate running, walking, or cycling pace, time, and average speed.
Open toolPregnancy Due Date Calculator
Estimate due date, current week, trimester, and milestones from LMP or conception.
Open toolWater Intake Calculator
Calculate recommended daily water intake based on body weight, exercise, and climate.
Open toolAbout Health Tools
The Health Tools collection provides browser-based utilities designed for high performance, local data processing, and complete privacy. Every tool operates entirely within your browser - no server uploads, no watermarks, and no signups required.
| Tool Name | Key Functionality | Client-Side Processing | Usage Limit |
|---|---|---|---|
| Calorie Calculator | Estimate daily calorie targets for weight loss, maintenance, or muscle gain. | 100% Local | Unlimited / Free |
| BMR Calculator | Calculate Basal Metabolic Rate using Mifflin-St Jeor and Harris-Benedict formulas. | 100% Local | Unlimited / Free |
| Body Fat Calculator | Estimate body fat percentage using US Navy body measurement formulas. | 100% Local | Unlimited / Free |
| Ideal Weight Calculator | Calculate healthy weight ranges using Devine, Hamwi, Robinson, and Miller formulas. | 100% Local | Unlimited / Free |
| Pace Calculator | Calculate running, walking, or cycling pace, time, and average speed. | 100% Local | Unlimited / Free |
| Pregnancy Due Date Calculator | Estimate due date, current week, trimester, and milestones from LMP or conception. | 100% Local | Unlimited / Free |
| Water Intake Calculator | Calculate recommended daily water intake based on body weight, exercise, and climate. | 100% Local | Unlimited / Free |