Online calculator catalog
Life 121
	Calendar   Gregorian date to Julian date,   Roman calendar,   Indian calendars,   Fixed date to Gregorian date,   Ahargana day count to the Gregorian date, ... +14
	Date and Time   Ancient Egyptian Calendar,   Russian non-working days,   Timeline Midnight Converter,   Old Russian (Byzantine) system of chronology,   Russian Working Days Calculator, ... +60
	Health   Proportional Body Calculator: McCallum's Formula,   Body Proportions Calculator,   Nagler's Ideal Weight Calculator,   Coronavirus disease epidemic in different countries,   McDonald's meal nutrition facts, ... +13
Professional 325
	Computers   Information gain calculator,   List Join,   Decision tree builder,   Base 64 encoding and decoding,   List Filter Calculator, ... +60
	Engineering   Circular Intake/Exhaust Calculator,   Flagstone Paving Calculator,   Prueba2,   Volume-to-Weight Converter,   Relations between Mass, Length, Width, and Area Density of Fabric, ... +34
	Finance   Interest on the deposit and inflation,   Tax-Adjusted Deal Profitability Calculator,   How much does cash weigh?,   Compound interest at a certain number of days,   Mortgage loan early repayment date, ... +30
	Image processing   Morphological filters,   Watercolor Filter,   Image color set,   Median filter,   Color to Grayscale Conversion, ... +6
	Navigation   Compass Points,   Course angle and the distance between the two points on loxodrome (rhumb line).,   Points of the compass,   Distance between two cities,   Course angles and distance between the two points on the orthodrome(great circle), ... +15
	Statistics   Simple Moving Average,   Histogram Builder,   Text fitness (version 3),   Exponential smoothing,   Seasonal Indices for Quarterly Data, ... +32
	Telecommunications   VOIP call bandwidth,   Morse Code Converter: Translate and Decode Messages,   PBX channel number calculation,   Morse-ify and Modify., ... +1
	Units converters   Conversion of pounds into inches,   The Decimal to Binary, Hexadecimal, and Octal Converter,   Pressure units converter,   Ton-kilometer. Conversion based on the cost of a kilometer,   Pounds to kilograms conversion and vice versa, ... +19
	Сryptography   Gravity Falls Bill's symbol substitution cipher decoder,   Carbon emission calculator,   Amount of timber for the house,   A1Z26 cipher,   Gravity Falls Author's symbol substitution cipher decoder, ... +83
Study 419
	Astronomy   Shadow length,   Dates of the beginning and end of polar night and polar day at a given latitude,   Zero Shadow Day,
	Chemistry   Mixing solutions of different concentrations,   Peptides dissolution calculator.,   Peptide dissolution calculator,   Convert grams to moles and moles to grams,   Alcohol amount in the aqueous alcohol solution, ... +20
	Math   Scientific Notation Converter,   Centered Moving Average,   Roman and Decimal Number Converter,   Spherical sector,   Quadratic Equation Solver, ... +309
	Physics   Apparent temperature,   Average Temperature, °R,   Kinematic Equations for Constant Acceleration Calculator,   Density of air as a function of pressure and temperature,   Space object velocity, ... +61