Multilingual Online Calculators
Choose fast, mobile-friendly calculators.
Education Calculators
Academic tools covering grade planning, GPA tracking, and exam preparation.
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Grade Calculator - Weighted & Points-Based Calculator
Live grade calculator for weighted averages, points mode, categories, and final-exam projections.
Health Calculators
Medical and health calculation tools
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Calorie Deficit Calculator – Plan Healthy Weight Loss
Estimate your calorie deficit, see how long it may take to reach a target weight, and learn how to eat in a healthy calorie deficit.
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Calories Burned Calculator – Estimate Calories for Any Activity
Estimate calories burned for walking, running, cycling, gym workouts, sports and daily activities using body weight and time.
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Height Calculator - Predict Adult Height
Calculate predicted adult height based on current measurements, age, and parental heights. Supports metric and imperial units.
Time & Date Calculators
Tools for working with time spans, ages, and dates.
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Age Calculator – Calculate Your Age in Years, Months, Days
Online age calculator that shows age in years, months, days, weeks, days and approximate hours, minutes and seconds.