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- Conversion CalculatorsCurrent Conversion CalculatorsCurrent Conversion Calculator MenuCurrent Conversion Calculator Menu21
#### Area Conversion Calculator

Convert common standard and metric area units (acres, hectares, kilometers, miles, meters, etc.) to their most popular counterparts.Area Conversion Calculator#### Binary to Decimal Converter

Convert a base 2 number into its base 10 equivalent.Binary to Decimal Converter#### Binary to Hexadecimal Converter

Convert a binary number into its base 16 equivalent.Binary to Hexadecimal Converter#### Decimal to Binary Converter

Convert a base 10 number into its base 2 equivalent.Decimal to Binary Converter#### Decimal to Fraction Calculator

Convert a non-repeating decimal into a fraction and reduce the resulting fraction into simplest form.Decimal to Fraction Calculator#### Decimal to Hexadecimal Converter

Convert a base 10 number into its base 16 equivalent.Decimal to Hexadecimal Converter#### Decimal to Octal Converter

Convert a base 10 number into its base 8 equivalent.Decimal to Octal Converter#### Distance Conversion Calculator

Convert common standard and metric length measurement units to their most popular counterparts.Distance Conversion Calculator#### Fraction to Decimal Calculator

Reduce a fraction or mixed number into simplest form and convert into a decimal.Fraction to Decimal Calculator#### Fraction to Percent Calculator

Reduce a fraction into simplest form and convert into a percentage.Fraction to Percent Calculator#### Hexadecimal to Decimal Converter

Convert a hexadecimal number into its decimal equivalent.Hexadecimal to Decimal Converter#### Infix to Postfix Converter

Convert a mathematical infix expression into a postfix expression (also known as reverse polish notation, or RPN) using the stack method.Infix to Postfix Converter#### Jewelry Weight Converter

Convert between common jeweler's weight units.Jewelry Weight Converter#### Number to Word Converter

Convert a number into three separate word strings: Basic, Currency, and Check Writing.Number to Word Converter#### Recipe Conversion Calculator

Adjust a recipe's ingredients to accommodate a greater or lesser number of servings, or from one baking pan size and shape to another.Recipe Conversion Calculator#### Roman Numeral Converter

Convert Roman numerals into Arabic numbers, or an Arabic number to a Roman numeral.Roman Numeral Converter#### Scientific Notation Converter

Convert between exponential notation and regular notation.Scientific Notation Converter#### Speed Distance Time Calculator

Calculate speed, distance, or time given the two known variables.Speed Distance Time Calculator#### Temperature Conversion Calculator

Convert Celsius, Fahrenheit, and Kelvin temperatures to either of the other two.Temperature Conversion Calculator#### Volume Conversion Calculator

Convert common standard and metric volume (liquid) units to their most popular counterparts.Volume Conversion Calculator#### Weight Conversion Calculator

Convert common standard and metric weight units to their most popular counterparts.Weight Conversion Calculator

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