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Online calculators
Calculate costs, payments, time, grades and other everyday figures with clear tools and immediate results.
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Studies
Grade calculator
Calculate current average, evaluated weight, remaining weight and estimated final grade with unlimited assessments.
Studies
Final grade
Find the grade you need on your final exam to pass or reach any target.
Technology
Time calculator
Add and subtract any number of durations in hours, minutes and seconds.
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Energy
Technology
Technology
Download time
Calculate how long a file will take based on its size and connection speed.
Technology
Time calculator
Add and subtract any number of durations in hours, minutes and seconds.
Technology
Hours calculator
Calculate worked hours between start and end, subtract breaks and combine multiple shifts.
Technology
Age calculator
Calculate years, months, days, days lived and time until the next birthday.
Studies
Studies
Grade calculator
Calculate current average, evaluated weight, remaining weight and estimated final grade with unlimited assessments.
Studies
Final grade
Find the grade you need on your final exam to pass or reach any target.
Studies
Weighted grade
Combine grades with different weights and review the full weighted-average calculation.
Studies
GPA calculator
Calculate an international GPA using A+ through F grades, credits and 4.00 or 4.33 scales.
Studies
Attendance
Check attendance percentage, how many classes you may miss and future absence scenarios.