OnlineCalculator360
Water Intake Calculator
Find your daily water requirement in litres and glasses based on weight, activity level, and climate.
Open →Ideal Weight Calculator
Find your healthy weight range by height and gender using BMI, Devine, Robinson, Miller, and Hamwi formulas.
Open →Next Period Calculator
Predict your next menstrual period date, fertile window, and upcoming 6 periods based on last period date and average cycle length.
Open →Blood Sugar to A1C Calculator
Enter your average blood glucose in mg/dL or mmol/L to get the estimated A1C percentage. Covers all clinical ranges with category and interpretation.
Open →A1C to Blood Sugar Calculator
Turn your A1C into estimated average glucose in mg/dL or mmol/L. See the 2 to 3 month picture behind your HbA1c and check your range now.
Open →Body Fat Calculator
Estimate body fat percentage using the U.S. Navy method from neck, waist, and hip measurements. Shows fat mass, lean mass, and body fat category.
Open →BMI Calculator
Check BMI score and category.
Open →Calorie Calculator
Estimate daily calorie needs (TDEE).
Open →Ovulation Calculator
Estimate fertile window and ovulation date.
Open →Pregnancy Due Date Calculator
Estimate due date, gestational age, and trimester from LMP, conception date, or IVF transfer.
Open →BMR Calculator
Calculate basal metabolic rate and TDEE using Mifflin-St Jeor or Harris-Benedict formula.
Open →Steps in a Mile Calculator
Estimate how many steps are in a mile based on your height using stride-to-height ratio.
Open →Kilojoules to Calories Converter
Convert kilojoules (kJ) to kilocalories (kcal) using kcal = kJ ÷ 4.184.
Open →Miles to Steps Calculator
Convert miles to steps based on your height or stride length.
Open →Steps to Calories Calculator
Calculate calories burned from steps using weight, pace, and stride length.
Open →Steps to Km Calculator
Convert steps to kilometres and miles using height-based stride estimation.
Open →Sobriety Calculator
Calculate how long you have been sober with live counter and milestone tracker.
Open →WHR Calculator
Calculate waist-to-hip ratio and health risk category using WHO thresholds.
Open →