9 calculators
Education and science calculators
Education calculators help students and teachers convert grades, weight assignments, and check scientific notation or electrical values. The goal is a transparent result you can show alongside the formula.
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GPA Calculator
Calculate your Grade Point Average (GPA) from your grades and credit hours
Weighted Average Calculator
Calculate the weighted average of a set of values with their corresponding weights
Binary / Hexadecimal Converter
Convert numbers between Binary, Octal, Decimal, and Hexadecimal number systems
Scientific Notation Calculator
Convert numbers to and from scientific notation format
Ohm's Law Calculator
Solve voltage, current, resistance, and power from any two known values.
Voltage Drop Calculator
Calculate voltage loss, drop percentage, and load voltage.
Battery Runtime Calculator
Estimate usable battery energy and runtime from voltage, amp-hours, and load.
LED Resistor Calculator
Calculate a safe series resistor, resistor power, and a standard value.
Grade Calculator
Calculate a weighted course grade and the score needed on a remaining exam.
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