← View all tools

❤️ Health & Lifestyle

16 tools in this category, on DoubleNeed.

⚖️

BMI Calculator

Check weight status based on height and weight.

Open tool →
💧

Water Intake Calculator

Daily recommended water intake based on weight & activity level.

Open tool →
😴

Sleep Cycle Calculator

Optimal bedtime or wake-up time based on 90-minute REM cycles.

Open tool →
📅

Period & Ovulation Tracker

Estimate cycle dates, fertile window, and next period start date.

Open tool →
🔥

Calorie Deficit & TDEE Planner

Find your TDEE and daily calorie target for your weight goal.

Open tool →
⏱️

Intermittent Fasting Window

Eating and fasting windows for 16:8, 18:6, OMAD and more.

Open tool →
🤰

Pregnancy Due Date Calculator

Estimate your due date based on your last menstrual period.

Open tool →
🔥

BMR Calculator

Find your Basal Metabolic Rate — calories burned at rest.

Open tool →
🏃

Running Pace Calculator

Calculate your running pace, time, or distance.

Open tool →
📏

Body Fat Percentage Calculator

Estimate body fat percentage using the US Navy method.

Open tool →
⚖️

Ideal Weight Calculator

Estimate a healthy weight range based on height and gender.

Open tool →
❤️

Heart Rate Zone Calculator

Find your target heart rate zones for different exercise intensities.

Open tool →
🤱

Pregnancy Weight Gain Calculator

Track healthy pregnancy weight gain range based on pre-pregnancy BMI.

Open tool →
📏

Waist-to-Hip Ratio Calculator

Estimate health risk based on waist and hip measurements.

Open tool →
💍

Wedding Budget Calculator (BD)

Split your total wedding budget across venue, catering, decoration, and more.

Open tool →
🥗

Calorie Deficit Meal Planner (BD Foods)

Find your daily calorie target and log common Bangladeshi meals.

Open tool →

📚 Guides & Tutorials

Learn how to use these tools effectively with our in-depth guides and tutorials.

Visit the Blog →