|Conversion between metric units of length and old Russian system of measures units of length|
The calculators in this article convert units of length from old Russian system of measures units to metric units and back.
|Exotic length units|
Converter from exotic length units to meters
|Plane angles measurement systems|
|Shoe size comparison|
This calculator converts european shoe size to its english and US counterparts.
|Pounds to kilograms conversion and vice versa|
This online calculator can be used for conversion of kilograms to pounds, ounces and grains as they are used in USA or UK.
Energy units converter (joules, kilowatt-hour, kilogram force per meter, horsepower per hour, kilocalories)
Converter of Roman numbers and decimal numbers
Conversion between different temperature scales
Morse Code translator
|Old Russian money|
Converts old Russian monetary units into more common rubles and kopecks. Created by user's request.
|Degrees-minutes-seconds to decimal degrees conversion and vice versa.|
This online calculator converts the value of an angle given in the degrees-minutes-seconds to degrees, expressed in decimal fraction and back from decimal fraction to degrees-minutes-seconds.
|Digital image size in pixels and photo print size|
This article is about the relation between an image size in pixels and a photographic print size. First, it recommends the photographic print size for given digital image dimensions in pixels. Second, it finds the resulting pixels per inch value for a printed digital image with known linear and pixel dimensions.
|Power to the People|
Power units converter.
|URL-encoded string decoder|
This converter decodes URL-encoded string (percent-encoded characters). It converts reserved characters as well as UTF-8 characters
|Relative humidity to absolute humidity and vice versa calculators|
The first calculator converts relative humidity to absolute humidity for a given temperature and barometric pressure. The second calculator does the opposite - converts absolute humidity to relative humidity for a given temperature and barometric pressure. Some theory and formulas can be found below the calculator.
|Morse code. Mutator|
Transforms text into Morse code and than changes dots and dashes into specified symbols
|Telecommunications traffic, Erlang|
The calculator gives telecom traffic in Erlang for given time span and total call duration.
|Flag semaphore signals|
The calculator converts english phrase to the flag semaphore signal sequence.
|HTML table to JSON array|
Th calculator converts the html table code to JSON array with optional data transpose and compression. It also visualizes numeric data on chart.
|Petroleum product density|
Petroleum product density conversion, according to GOST 3900-85