Study & Grades
Marks Percentage Calculator – Convert Marks to Percentage
Convert obtained marks out of total marks into an exact percentage.
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Study & Grades
Required Marks Calculator – Find Marks Needed to Pass
Calculate the minimum marks required from remaining work to reach a target score or percentage.
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Attendance Shortage Calculator – Classes Needed to Reach Target
Calculate the minimum consecutive classes required to reach a selected attendance target.
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Bunk Calculator – How Many Classes Can I Safely Skip?
Calculate how many upcoming classes can be safely missed while maintaining a required attendance percentage.
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Subject Wise Attendance Calculator – Multiple Subjects
Calculate attendance percentages for multiple subjects and compare weighted overall attendance with a custom target.
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Negative Marking Calculator – 1/2, 1/3 & 1/4 Scores
Calculate exam marks after 1/2, 1/3, 1/4, custom-fraction or fixed negative marking.
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Battery C Rate Calculator – Calculate Current & C Rating
Calculate battery C-rate, current, ideal time, nominal power and parallel-string current.
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Inverter Battery Capacity Calculator | Required Ah
Estimate the battery-bank Ah and energy required for an inverter load and target backup time.
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Battery Series Parallel Calculator | Voltage, Ah & Wh
Calculate battery-bank voltage, Ah, Wh, usable energy and total batteries for series, parallel or series-parallel wiring.
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Battery Charge Time Calculator | Ah & Charger Amps
Estimate battery charging time using capacity, charger amps, state of charge, efficiency and the battery bank arrangement.
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UPS Battery Backup Time Calculator | Runtime Estimate
Estimate UPS or inverter battery backup time using battery voltage, Ah capacity, connected load, usable depth and efficiency.
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PKR Cash Denomination Calculator – Notes & Coins
Split a PKR amount into Pakistani notes and coins or total physical cash by denomination. Free, private and…
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