IT & Communication · Page 3
Estimate transfer time, data size and required speed using explicit bits, bytes and throughput assumptions.
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A tool can belong to several categories. All tools lists each calculator once.
Computing
Video and Audio File Size Calculator
IT & Communication · Design & DrawingEstimate media file size from duration and average audio/video bitrates, or solve the video bitrate available under a file-size limit.
Open calculator ↗Number Base Converter
Learning & Education · IT & CommunicationConvert a signed integer between bases 2–36 using exact arithmetic. Compare binary, octal, decimal, hexadecimal and base-36 values with place-value steps.
Open calculator ↗Screen Size Calculator
IT & Communication · Design & DrawingEnter a screen diagonal and pixel resolution to calculate active width, height, aspect ratio, pixel density and pitch, with a dimensioned screen diagram.
Open calculator ↗Design
Geometry
Mathematics
2×2 Matrix Calculator
Learning & Education · IT & Communication · Science & LabAdd, subtract or multiply two 2×2 matrices, or find the inverse of A. Enter each cell separately and follow row-by-column arithmetic in the result table.
Open calculator ↗Logarithm Calculator
Learning & Education · Science & Lab · IT & CommunicationCalculate a real logarithm in any valid base, or raise that base to an exponent. Compare natural, binary and decimal logarithms and inspect the inverse relationship.
Open calculator ↗Prime Factorization Calculator
Learning & Education · IT & CommunicationFactor a positive integer up to one trillion. See prime powers, primality, divisor count, the exact divisor sum and a sorted divisor table.
Open calculator ↗Physics
Battery Capacity and Runtime Calculator
Science & Lab · Shopping · IT & CommunicationConvert nominal battery charge and energy using battery voltage. Estimate constant-load runtime from usable capacity and conversion efficiency.
Open calculator ↗Decibel and Ratio Calculator
Learning & Education · High School · Science & Lab · IT & CommunicationConvert power or root-power amplitude ratios to decibels and back. Add independent source levels that share a reference, using logarithmic power addition.
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