Online calculator catalog
Life 115
	Calendar   Gregorian date to Julian date,   Ahargana day count to the Gregorian date,   Gregorian date to the Ahargana day count,   ISO calendar,   Armenian calendar, ... +14
	Date and Time   Julian and Gregorian calendars,   World time,   How many hours between two days,   Age,   Sunrise and sunset calculator, ... +56
	Health   Daily Needs Calorie Rate,   Figure's grace,   Body proportionality,   Determination of the baby's sex,   Proportionality of body — McCallum's formula, ... +14
Professional 274
	Computers   Base 64 encoding and decoding,   Conditional entropy,   List format,   Conversion between any bases,   Select a phone number from the text, ... +62
	Engineering   Number of flagstones to units of area and vice versa,   Oval Tank Volume Calculator,   Laminate flooring. The calculation of the number of planks,   One-variable function graph,   Tank Volume Calculators, ... +59
	Finance   Effective interest rate,   Labor retirement pension amount (for Russia),   Price based on running meter,   Real interest rate using Fisher equation,   Inflation in Russia, ... +29
	Image processing   Image manipulation,   Watercolor effect,   Box filters for image processing,   Morphological filters,   Digital images parameters comparison, ... +5
	Navigation   Distance between two cities,   Cost of one hour (or kilometer),   Nautical measurement units,   Russia's regional registration plates,   Course angle and the distance between the two points on loxodrome (rhumb line)., ... +17
	Statistics   Exponential smoothing,   Text fitness,   Cuba World Development Indicators 2016 - in memory of Fidel Castro,   Geometric Distribution. Probability density function, cumulative distribution function, mean and variance,   Z-score from P-value, ... +27
	Telecommunications   PBX channel number calculation,   Morse Code,   VOIP call bandwidth,   Number of agents in a call center, ... +1
	Units converters   Miles per gallon to liters per kilometer fuel consumption converter,   Pressure units converter,   Digital image size in pixels and photo print size,   Ton-kilometer. Conversion based on the cost of a kilometer,   Meters per second and kilometers per hour, ... +18
	Сryptography   Gravity Falls Author's symbol substitution cipher decoder,   A2Z52 encoder/decoder,   Substitution cipher decoder,   Gravity Falls Bill's symbol substitution cipher decoder,   Index of Coincidence, ... +11
Study 331
	Chemistry   Convert grams to moles and moles to grams,   Raoult's Second law and the freezing temperature.,   Concentration of analyte with uncertainty analysis for replicate titrations,   Fertilizing,   Peptide dissolution calculator, ... +14
	Math   Integer factorization. Trial division,   Prime numbers. Sieve of Eratosthenes,   Cone development,   Equation of a line passing through two points in 3d,   Polynomial factors as formula, ... +256
	Physics   Relative humidity to absolute humidity and vice versa calculators,   Thermodynamics – calculator for solving mixing problems,   Surface tension. Weight and volume of the drop of liquid,   Gas concentration from ppm to mg/m³ and vice versa,   Normal force, ... +42