Online calculators and maths guides
Fast, simple and easy to use online calculators with step by step guides on how to work out maths questions.
Percentage calculators
- Percentage difference
- Percentage increase and decrease
- Percent of a number
- Sale price
- What percentage one number is of another
- Fraction to percentage calculator
Average calculators
Fraction calculators
- Fraction to decimal calculator
- Mixed Fraction to decimals calculator
- Fraction to percent calculator
- Adding fractions calculator
- Subtracting fractions calculator
- Multiplying fractions calculator
Number conversions
- Binary to decimal calculator
- Decimal to binary calculator
- Binary addition calculator
- Binary subtraction calculator
- Binary to hexadecimal conversion calculator
- Hexadecimal to binary conversion calculator
- Hexadecimal addition calculator
- Hexadecimal subtraction calculator
- Maximum value based on the number of Hexadecimal digits calculator
Conversions
Tools
Games
How to guides
- How to calculate percentages
- Mobile Phone Contract Calculator
- How to calculate mass
- How to calculate volume
- How to calculate time