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How GPA is calculated, how to convert CGPA to percentage correctly for forms and jobs, and quick tools for marks, reading time and assignments.

Work out anyone's exact age — down to days and hours — and the precise gap between any two dates, the way forms, visas and competitions require it.

The three numbers behind every ad campaign — what they mean, what counts as good, and how they combine into the only metric that matters: cost per result.

The five calculations behind every ad campaign and pricing decision — explained with benchmarks and free calculators.

Percentage of a number, percentage change, and "X is what percent of Y" — the three calculations people search for daily, explained with examples and a free tool.

Fixed deposit safety or SIP growth? Real numbers over 5, 10 and 20 years, who each suits, and the hybrid approach most people should use.

The conversions everyone Googles — km to miles, kg to pounds, Celsius to Fahrenheit, GB to MB — with the exact factors and instant converters.

Add GST to a base price, extract GST from a total, and split CGST/SGST correctly — explained with worked examples and a free calculator.

Km to miles, kg to pounds, litres to gallons, Mbps to MB/s — the conversions everyone needs, with quick approximations and exact free converters.

What BMI, BMR, ideal weight and daily water intake actually measure, what they miss, and free calculators for each.

Fix CAPS LOCK paragraphs, make Title Case headlines, or convert to sentence case in one click — without retyping a single word.

The three percentage formulas everyone mixes up, reverse percentage for discounts, and mental math tricks — with a free calculator.