Wavelength to Frequency Calculator – Convert nm, m & Hz Instantly
wavelength to frequency calculator – convert nm to Hz, Hz to nm, meters to Hz, and MHz to nm instantly. Includes electromagnetic spectrum chart and photon energy calculator.
Calculators
Frequency to Period Calculator – Convert Hz to Seconds, ms & ns Instantly
frequency to period calculator – convert Hz to seconds, milliseconds, microseconds and nanoseconds instantly. Includes period to frequency converter, reference table, and step-by-step examples.
Frequency Distribution Calculator – Table Generator with Relative & Cumulative Frequency
Free frequency distribution calculator -create frequency tables with relative frequency, cumulative frequency, and histogram charts. Works for ungrouped and grouped data.
Heat Transfer Coefficient Calculator | Convection, Film & Overall h Values
calculate convective heat transfer rate, overall U value, and h from Nusselt number. Includes reference values for air and water with unit converter.
Psychrometric Calculator | Wet Bulb & Dry Bulb Temperature Calculator
Use our free Wet Bulb Calculator to find relative humidity, dew point,
and psychrometric values instantly. Enter dry bulb & wet bulb temperature
and get step-by-step results. Perfect for students & engineers
Kinetic Energy Calculator | Find KE, Velocity,or Mass Instantly
Calculate kinetic energy using KE = ½mv². Solve for kinetic energy, velocity, or mass in Joules, eV, or ft·lb. Free physics calculator with step-by-step worked examples and formula derivation
Cylinder Volume Calculator | Tank Capacity in Gallons,Liters & Cubic Feet
Free cylinder volume calculator find tank capacity in gallons, liters, and cubic feet. Includes rectangular tank, oval, pipe, and unit converter. Step-by-step working shown.
Percent Composition Calculator | Find Composition by Mass of Any Compound
find the percent composition by mass of any compound from its chemical formula or mass data. Step-by-step working with examples and practice problems.
Empirical Formula Calculator – Find Empirical & Molecular Formula from Percent Composition
Free empirical formula calculator – find the empirical and molecular formula from percent composition or element masses. Step-by-step working with examples for every calculation.
Limiting Reactant Calculator – Find Limiting & Excess Reagent Step by Step
Free limiting reactant calculator – identify the limiting reagent and excess reactant from any chemical equation. Full step-by-step working, mole calculations, and practice problems included.