Articles

Learn the exact formula for the grade you need on a final. Needed = (Target – Current x (1 – Weight)) / Weight, with clear worked examples and steps.

SGPA vs CGPA explained simply: SGPA is your grade point average for one semester, CGPA is the cumulative average across your whole program. See how they differ.

CGPA to percentage conversion made simple: multiply CGPA by 9.5 (CBSE style) for a quick estimate, but always check your board or university’s official rule.

How to raise your GPA fast: use retakes, grade replacement, and high-credit courses. See why timing matters and test real targets with a GPA calculator.

What is a good GPA? It depends on your goal. On the 4.0 scale a 3.5 or higher is strong, a 3.0 is solid, and context like school and course rigor matters.

Weighted vs unweighted GPA explained: an unweighted GPA caps at 4.0, while a weighted GPA adds honors, AP, and IB bonus points and can reach as high as 5.0.

How GPA is calculated, explained simply: add up your grade points, then divide by total credit hours. See the grade scale and a full worked example here.

Sleep debt is the gap between the sleep you need and get. You can repay short-term debt with rest, but weekend catch-up cannot fully undo chronic loss.

Sleep runs in roughly 90-minute cycles of light, deep, and REM sleep. Learn how the stages work and how to time the best time to wake up feeling refreshed.

How much sleep you need depends on age: adults need 7 to 9 hours, teens 8 to 10, and kids more. See the full age chart and signs you fall short.