Online calculator catalog
Life 115
	Calendar   Hindu mean lunisolar calendar to Gregorian date,   Gregorian date to Hindu mean solar calendar,   Gregorian date to the Ahargana day count,   Armenian calendar,   Gregorian date to Julian date, ... +14
	Date and Time   Dynamical Time difference,   Time Span Calculator,   Time scales,   Travel Duration,   Release Date Countdown gadget, ... +56
	Health   Pregnancy Due Date,   Body proportionality,   The basal metabolic rate,   Daily Calorie Rate,   Weathering of alcohol concentration in the blood, ... +14
Professional 275
	Computers   URL-encoded string decoder,   Caesar cipher,   Repeated Word Heatmap,   Vigenère cipher,   Numbered list maker, ... +62
	Engineering   Calculation of the volume by weight,   Butterfly Damper Calculator,   Parallel and perpendicular lines on a plane,   One-variable function graph,   Square Door Tank Volume, ... +59
	Finance   The Central Bank of Russia exchange rate difference,   Effective interest rate,   Inflation in Russia,   USD to rubles and vice versa by the Central Bank of Russian Federation exchange rate,   Comparing prices using cost per square meter, ... +30
	Image processing   Digital images parameters comparison,   Jpeg image meta-data,   Image manipulation,   Color to Grayscale Conversion,   Morphological filters, ... +5
	Navigation   Ford VIN decoder - Line information,   Fuel consumption,   Flag semaphore signals,   Beaufort scale,   Cost of one hour (or kilometer), ... +17
	Statistics   Triple exponential smoothing,   Simple Moving Average,   Indicators of variations,   Binomial distribution, probability density function, cumulative distribution function, mean and variance,   Chande momentum oscillator indicator, ... +27
	Telecommunications   VOIP call bandwidth,   Morse code. Mutator,   PBX channel number calculation,   Morse Code, ... +1
	Units converters   Height in the old Russian system of measures,   Conversion between metric units of length and old Russian system of measures units of length,   Plane angles measurement systems,   Degrees-minutes-seconds to decimal degrees conversion and vice versa.,   Pounds to kilograms conversion and vice versa, ... +18
	Сryptography   Pangram checker,   Standard Galactic Alphabet decoder,   Gravity Falls Bill's symbol substitution cipher decoder,   Caesar cipher with numbers,   A1Z26 cipher, ... +11
Study 332
	Chemistry   Peptides dissolution calculator.,   Dilution calculator and problems solver,   Molar mass of the substance,   Concentration of analyte with uncertainty analysis for replicate titrations,   Raoult's Second law and the freezing temperature., ... +14
	Math   Tips and tricks #12: Long (infinite) calculations,   Triangle values by coordinates of vertices,   Polynomial root isolation,   Rectangle area calculation by perimeter,   Antilogarithm, ... +257
	Physics   Sound Speed in Gases,   Hydrostatic pressure,   Acceleration of gravity,   Power into torque, and vice versa,   Dew point, ... +42