Calculators

How to calculate aggregate for university admission Pakistan — one student’s marks traced through PMDC (10/40/50), NUST (25/75), and NED (40/60) with fully worked examples.

How to calculate days between two dates — the hand method, the inclusive vs exclusive counting trap, leap-year effects, business days, and Excel formulas.

How to calculate reading time for any article — the words-per-minute formula, honest WPM baselines with sources, skim vs deep reading, and displaying it on your blog.

How to calculate overtime pay in Pakistan for hourly and salaried workers — worked examples, the 173.33 divisor, and the honest multiplier caveat.

How to calculate zakat step by step — the four-step method, nisab in gold and silver grams, a full PKR worked example, and honest scholarly differences.

How to set freelance rates that actually pay — the target-backwards formula with a Pakistani freelancer’s real numbers, Upwork/Fiverr cuts, and hourly vs project vs retainer.

How to calculate GPA step by step — the 4.0 scale formula, a full worked example, weighted vs unweighted, cumulative GPA, and an honest note for Pakistani students.

How to calculate BMI manually with the metric formula — 3 worked examples, the category table, and an honest look at BMI’s limits.

How to calculate percentage the right way — the 3 percentage questions, formulas with worked examples, percentage points vs percent, and a Pakistan board-exam example.

How to calculate age from date of birth by hand (borrow method), in Excel, and the February 29 leap-year trap — with fully worked examples.