dubiumlabsUtilities

Utilities

Direct-calculation tools for lab work and study: convert units, solve proportions and summarize measurements, each with its own guide and examples.

12 tools

12 tools visible

Concentration ConverterConvert between molar, mass, ppm, Normality, enzyme activity and copies/µL unitsTemperature ConverterConvert temperatures across eight scales and temperature differences across the seven with compatible orientationPressure ConverterConvert between 14 pressure units (Pa, kPa, bar, atm, mmHg, Torr, psi, inHg, cmH₂O) with absolute and gauge modesEnergy ConverterConvert between 15 energy units (J, kJ, cal, kcal, kWh, eV, L·atm, BTU) plus a molar mode bridging eV, kJ/mol, kcal/mol, cm⁻¹ and RTDensity, Mass and VolumeSolve for density, mass or volume from the other two, with 21 convertible units, relative density against water, air or your own reference, and a 16-substance catalogRule of ThreeDirect and inverse proportionsPercentageCalculates X % of a total, what percentage a part represents, and the change between two valuesAverage & DispersionMean, dispersion, sum and extrema of a series of measurementsUncertainty Propagation for Basic OperationsPropagate the standard uncertainty of two independent measurements through basic operations using a first-order linear approximationStopwatchScientific stopwatch with laps and CSV exportScientific CalculatorEvaluates math expressions with physical constants (c, h, Nₐ) and complex number supportFunction GrapherPlot up to 2 functions with automatic roots, maxima and minima