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Round numbers using different methods: Round Half Up, Half Down, Half Even, Ceiling, Floor, and more
Round numbers up or down to any decimal place or place value with step-by-step explanation
Round numbers up or down to the nearest multiple (2, 5, 10, 0.05, 0.25, etc.) like Excel MROUND function
Convert ratios to fractions instantly. Free online ratio to fraction calculator supporting part-to-part and part-to-whole ratios with step-by-step solutions.
Simplify ratios to their lowest terms using the greatest common factor. Free online ratio simplifier that handles whole numbers, fractions, and decimals.
Find the place value of each digit in any number with standard form and word form representation. Free online place value calculator.
Free online percent to fraction calculator. Convert any percentage to a fraction instantly with step-by-step solution. Supports mixed numbers and fraction simplification.
Free online percent to decimal calculator. Convert any percentage to decimal instantly with step-by-step solution. Simply enter a percent value and get the decimal equivalent.
Free online number and word to standard notation calculator. Convert number word combinations like 2.75 million to standard numerical notation and scientific notation instantly.
Practice multiplication facts for multiples from 1 through 12. Free online times tables quiz with missing multiple and missing product questions.
Calculate multiples of any positive integer. Free online multiples calculator to find the first N multiples of a number with a minimum value option.
Calculate money math with addition, subtraction, multiplication, and division of dollar amounts. Free online money calculator for financial arithmetic.
Calculate the modulo (remainder) of a divided by b with step-by-step solutions showing division, remainder, and verification
Solve math equations using order of operations (PEMDAS/BEDMAS) with step-by-step solutions showing each calculation
Multiply numbers using long multiplication with step-by-step calculations showing partial products, carries, and the final product with decimal and negative number support
Do long subtraction with regrouping or borrowing. Free online long subtraction calculator showing step-by-step work for whole numbers and decimals.
Add whole numbers and decimal numbers using long addition with step-by-step work. Free online long addition calculator showing carry and column addition.
Find the least common denominator (LCD) of fractions, integers, and mixed numbers instantly. Free online LCD calculator with step-by-step solutions and equivalent fractions.
Multiply numbers using the lattice multiplication method with an interactive visual grid. Perfect for learning the Italian or Gelosia multiplication technique.
Solve for the missing value X in a fraction proportion using cross multiplication. Enter 3 known values and find the unknown variable instantly.
Sort fractions, mixed numbers, integers, decimals and percents in ascending or descending order instantly with this free online ordering fractions calculator.
Interactive fractions number line chart showing fraction values from 0 to 1 with denominators from halves through sixteenths. Visual reference for comparing fraction sizes.
Estimate sums and differences of fractions by rounding to the nearest 1/2, 1/4, or 1/8 with step-by-step solutions
Find fractions equivalent to any fraction, mixed number, or integer with step-by-step solutions
Compare fractions, mixed numbers, and decimals to find which is larger or smaller with step-by-step solutions
Calculate the average of a set of fractions, mixed numbers, and integers instantly with step-by-step solutions and fraction reduction.
Convert fractions to percentages instantly with step-by-step conversion. Proper, improper, and mixed fraction support with customizable decimal rounding.
Convert fractions to decimal numbers instantly with step-by-step conversion. Proper, improper, and mixed fraction support with customizable decimal rounding.
Write numbers in expanded notation form, expanded factor form, expanded exponential form, and word form instantly
Convert decimal numbers to percentages instantly with step-by-step solutions and a simple conversion formula
Convert decimal numbers to fractions and mixed numbers instantly with step-by-step solutions for terminating and repeating decimals
Calculate complex fractions containing fractions in numerators or denominators. Free online complex fraction calculator for adding, subtracting, multiplying, and dividing complex fractions.
Find all common factors of a set of positive integers plus the greatest common factor (GCF). Free online common factors calculator with step-by-step factor listing.
Add and subtract positive and negative integers with step-by-step work. Free online integer calculator for adding integers, subtracting integers, and mixed equations.
Calculate the volume, surface area (total, lateral, top, bottom), and height of a triangular prism given side lengths and height. Supports multiple calculation modes.
Calculate the volume, surface area, wall thickness, and circumference of a tube (pipe or hollow cylinder) given any 3 known values including radii, circumference, wall thickness, and height.
Calculate the volume, surface area, and circumference of a sphere given any one known value. Supports radius, volume, surface area, and circumference inputs with instant results.
Calculate properties of a rectangular prism (cuboid) including volume, surface area, space diagonal, and lateral surface area. Enter length, width, and height.
Calculate the volume of a square or triangular pyramid frustum (truncated pyramid) using top side, bottom side, and height.
Calculate properties of a square pyramid including volume, surface area, slant height, and angles. Enter side length and height.
Free online hemisphere calculator. Calculate the volume, curved surface area, base surface area, total surface area, and circumference of a hemisphere given any one known dimension.
Free online cylinder calculator. Calculate the volume, lateral surface area, top/bottom surface area, and total surface area of a right circular cylinder given radius and height.
Free online cube shape calculator. Calculate the volume, surface area, face diagonal, and solid diagonal of a cube given any one known dimension.
Calculate properties of a conical frustum (truncated cone) including volume, surface area, slant height, and angles. Enter top radius, bottom radius, and height.
Calculate the volume, surface area, slant height, and angles of a right circular cone. Enter radius and height to compute all cone properties instantly.
Calculate the volume, surface area, and circumference of a capsule (stadium of revolution). Enter radius and side length to compute capsule properties instantly.
Calculate golden ratio values with this easy-to-use tool. Enter any term to find missing values that satisfy the golden ratio (A+B):A = A:B = 1.618.
Solve diamond problems by entering any two values (product, sum, factor A, or factor B) to find the missing numbers instantly.
Calculate the area and perimeter of a geometric stadium shape. Enter the radius and side length to compute the stadium area and perimeter instantly.
Calculate rhombus properties including side length, angles, diagonals, height, perimeter, and area. Enter any two values to compute all rhombus dimensions instantly.
Calculate rectangle properties including area, perimeter, and diagonal. Enter any two values to compute all rectangle dimensions instantly.
Calculate regular polygon properties including side length, area, perimeter, inradius, circumradius, interior and exterior angles. Supports 3 to 1000 sides.
Calculate parallelogram area, perimeter, diagonals, and angles. Enter base, side length, and angle or height to instantly compute all parallelogram properties.
Calculate the midpoint between two points in a 2D plane. Enter coordinates (x1,y1) and (x2,y2) to instantly find the midpoint using the midpoint formula.
Calculate the area, circumference, and radii of an annulus (ring shape). Enter any 2 known values (outer/inner radius, circumference, or area) and instantly compute all other annulus measurements.
Convert betting odds (A:B) into probability percentages. Calculate chance of winning and losing from fractional odds with step-by-step formula.
Track Yu-Gi-Oh! duel life points for two players with customizable starting LP, round tracking, and auto-calculated remaining life points. Free online Yu-Gi-Oh! score calculator.
Calculate NFL draft pick trade values using the standard Jimmy Johnson draft pick value chart. Compare pick values between traders and find the point differential.
Generate random bingo cards with the standard B-I-N-G-O layout. Print or save custom bingo cards for your next game.
Generate random bingo numbers for 1-75 or 1-90 bingo games with an interactive call board and ball tracking.
Find exactly what you need — organized, lightweight, and ready to use
Add randomness and approximation to precise clock times
Calculate how much you need to save monthly to reach your financial goals with compound interest.
Extract data from HTML tables and convert it to CSV format directly in the browser with multi-table support.
Solve for the missing value X in a fraction proportion using cross multiplication. Enter 3 known values and find the unknown variable instantly.
Repeat Unicode text multiple times with our free online tool. Duplicate text with customizable separators and repetition counts while preserving Unicode integrity.
Truncate characters in CSV columns to a specific length instantly in your browser. Select columns, set maximum length, choose truncation side, and download the truncated CSV.
Convert characters to ASCII codes instantly. Free online char to ASCII converter with detailed character information.
Calculate sales commission earnings based on flat rates, tiered structures, or base salary plus commission.
Hide confidential areas on your pictures. You can blur or pixelate the areas you want to mask.
Turn plain text into circled Unicode bubble letters for creative posts and captions. Browser-side styling with instant copy-ready output.
Apply various image effects like blur, sharpen, emboss, edge detection, and more to your images with real-time preview and instant download.
Extract a slice of a list by specifying start and end positions with customizable delimiter and join options
Sort JSON objects by keys and arrays by values with customizable options
Calculate voltage drop in electrical wires based on wire size, material, length, current, and phase type. Free online voltage drop calculator for DC and AC circuits.
Calculate antilogarithm (inverse logarithm) values online. Supports base 10 and natural logarithm (e) calculations with step-by-step solutions.
Generate perfect numbers using high-precision calculations.
Upload an image file to check if it is in PNG format. Fast and accurate PNG format detection tool.
Add line breaks to Instagram captions for better formatting and readability
Beautify unformatted C++ code with configurable indentation instantly.
Convert cubic feet (cu ft) to cubic yards (cu yd) instantly. Free online volume converter with formula, quick reference, and precision results.
Randomly shuffle and reorder paragraphs in text with our free online tool. Perfect for randomizing document structure, creating varied content, or testing paragraph order.
Convert text to ITA2 5-bit Baudot telecommunication code and decode binary streams back with character shift indicators.
Split a time period into equal intervals with our free online calculator. Perfect for scheduling, time management, and project planning.
Calculate the average price of your stock purchases. Free online stock average calculator for investors.
Generate SHAKE-256 extendable output hashes with configurable output bits.
Calculate properties of a conical frustum (truncated cone) including volume, surface area, slant height, and angles. Enter top radius, bottom radius, and height.
Find the minimum number from a list of numbers with our free online calculator. Enter numbers separated by commas, spaces, or new lines to instantly find the smallest value.
Remove commas from any integer or large number instantly.
Convert IP addresses to octal format. Free online IP to octal converter supporting both IPv4 and IPv6 addresses.
Calculate how much home you can afford based on your household income, monthly debt payments, down payment, and mortgage interest rate.
Domain age checker
Website source code viewer
Instantly detect if a website uses WordPress and identify its version. Our free tool helps developers, marketers, and site owners gather crucial CMS information.
Reveal the full, original URL behind a shortened URL.
Grab and download the favicon image of any website
Generate user-friendly and search-engine-optimized URL slugs for your website
Check the response headers sent by the server
Multiply two matrices with step-by-step solutions, dimension validation, and detailed explanations for matrix multiplication operations.
Calculate the inverse of any square matrix with our free online Matrix Inverse Calculator. Perfect for linear algebra, mathematics, and engineering applications.
Calculate the determinant of any square matrix with our free online Matrix Determinant Calculator. Perfect for linear algebra, mathematics, and engineering applications.
Calculate and generate Lucas numbers sequence with customizable parameters. Free online tool for mathematical sequences similar to Fibonacci.
Generate identity matrices of any size with our free online Identity Matrix Generator. Perfect for linear algebra, mathematics education, and matrix operations.
Generate random number matrices with customizable dimensions, value ranges, and formatting options. Perfect for mathematical exercises, data analysis, and educational purposes.
Calculate and generate linear recurrence sequences with custom coefficients and initial values
Add two matrices together with our free online Matrix Addition Calculator. Perfect for linear algebra, mathematics education, and matrix operations.
Generate random vectors with customizable dimensions, value ranges, and formatting options. Perfect for linear algebra, machine learning, and mathematical research.
Subtract two matrices of the same dimensions with step-by-step solutions and detailed explanations.
Calculate the transpose of any matrix with our free online Matrix Transpose Calculator. Perfect for linear algebra, mathematics, and engineering applications.
Calculate discrete convolution of two sequences with step-by-step results
Exciting new mini-tools we're currently cooking up — stay tuned!
Convert HTML file to JSX online
Download and save Instagram videos locally with our Instagram Reel Downloader. No signup required.
Save thumbnails from any reel
Got questions? We've got answers. Simple details about our online toolbox.
We're constantly expanding our toolbox. If you have a custom mini-tool in mind that would make your daily workflow easier, let us know!
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