NimbleToolKit

Unit & Number Tools

Simplify ratios, convert fractions and units, calculate percentages, and summarize number lists online.

Ratios and fractions

Reduce two-part ratios or convert between fractions and decimals.

Ratio SimplifierReduce a whole-number ratio such as 12:18 to 2:3 using the greatest common divisor. View the divisor and copy the result. Fraction to Decimal ConverterConvert fractions like 3/8 into decimals. Decimal to Fraction ConverterConvert decimal numbers into simple fractions. Percentage CalculatorCalculate percentages, percent change, and percentage of a value.

Convert and summarize

Change units or inspect a set of numbers.

Unit ConverterConvert common length, weight, temperature, and volume units. Average CalculatorCalculate the average from a list of numbers. Median CalculatorFind the median value from a list of numbers. Sum CalculatorAdd a list of numbers quickly.

More unit & number tools

Random Number GeneratorGenerate random numbers within a custom range. Random PickerPick a random item from a list of names, ideas, or options. Tip CalculatorCalculate a tip amount and total bill. Discount CalculatorCalculate sale price and savings from a discount percentage. Sales Tax CalculatorCalculate sales tax and final total from a rate. Roman Numeral ConverterConvert numbers to Roman numerals and Roman numerals to numbers. Binary Decimal ConverterConvert binary numbers to decimal and decimal numbers to binary. Hex Decimal ConverterConvert HEX integers to decimal or decimal integers to HEX with an explicit direction.