Number Tools

Convert area measurements from acres to square feet

Perform addition and subtraction operations on integers

Convert length from centimeters to inches

Count the number of characters in a block of text

Convert numerical currency values into written words for checks

Convert geographic coordinates from decimal to DMS format

Calculate displacement using initial and final velocity with time in physics problems

Calculate the average of multiple fractions with step-by-step simplification

Visualize fractions on a number line or bar chart for better understanding

Solve algebraic equations with fractions to find unknown variables

Generate a table showing original, simplified, and decimal forms of fractions

Generate future value interest factor tables for financial planning and investment analysis

Convert height from feet and inches to centimeters with precise calculations

Converts a value in hours to minutes

Calculate how much car you can afford based on your income, down payment, and loan terms

Converts an improper fraction into a mixed number

Converts length from inches to centimeters

Creates a table of interest rates and their effects

Displays graphs of inverse trigonometric functions

Convert numbers between different number bases

Generate random numbers within a specified range

Convert between Celsius, Fahrenheit, and Kelvin

Convert between Unix timestamps and human-readable dates

Perform matrix arithmetic operations including addition, multiplication, determinant, and inverse

Perform arithmetic operations with complex numbers including addition, multiplication, and more

Perform arithmetic operations with arbitrarily large integers beyond JavaScript's number limits

Convert between Unix timestamps and human-readable dates

Convert between Roman and Arabic numerals

Check if a number is prime and find its factors

Generate list of prime numbers

Calculate n! for any integer

Calculate Greatest Common Divisor and Least Common Multiple

Calculate the remainder after division (modulo operation)

Find all divisors of a number and check divisibility rules

Generate multiplication tables

Generate Fibonacci sequences up to any specified limit

Simulate rolling multiple dice with customizable sides

Simulate flipping multiple coins

Solve "X is what % of Y" or "Find X% of Y"

Convert between percentages and fractions

Simplify ratios to lowest terms

Calculate the arithmetic mean of numbers

Find the median of numbers

Find the mode(s) of numbers

Calculate range of numbers

Calculate standard deviation of numbers

Calculate variance of numbers

Calculate z-scores for statistical analysis

Calculate powers and exponents

Calculate nth roots of numbers

Calculate logarithms with any base

Convert between standard numbers and scientific notation

Round numbers to decimal places

Round numbers to significant figures

Simplify fractions to lowest terms

Convert between fractions and decimals

Convert between improper fractions and mixed numbers

Calculate percentage change between values

Calculate the absolute difference between two numbers

Calculate displacement using average velocity and time in physics problems

Solve proportions and check validity

Convert angles between different units

Add or subtract time values

Calculate the difference between two dates

Calculate exact age from birth date

Create countdown timers

Calculate Body Mass Index (BMI)

Calculate area and perimeter of geometric shapes

Convert hours to minutes with simple and accurate time calculations

Calculate volume of 3D shapes

Calculate missing sides of right triangles

Solve ax²+bx+c=0 using quadratic formula

Calculate simple interest on loans and investments

Calculate compound interest on loans and investments

Calculate loan payments

Generate arithmetic and geometric number sequences

Calculate harmonic mean of positive numbers

Calculate geometric mean of positive numbers