Math & science

Calculate the arithmetic mean of a list of numbers.

Find the median (middle value) from a list of numbers.

Split a bill between people with equal or weighted shares and optional tip percentage.

Calculate the CO2 emissions and carbon footprint of your vehicle based on distance traveled, fuel type, and consumption

Calculate your personal lucky number based on name, birthdate, phone number and address using numerology principles

Calculate GPU VRAM requirements for running Large Language Models with different quantization levels. Supports popular models like Llama, Mistral, and Qwen.

Convert between decimal, fractional, and American odds formats. Calculate implied probability and potential payouts from betting odds.

Calculate camera sensor crop factor relative to full-frame 35mm. Compare sensor sizes, convert focal lengths to full-frame equivalents, and understand field of view differences between camera systems.

Enter a Sudoku puzzle and get the solution instantly. Input numbers in the 9x9 grid and solve any valid Sudoku puzzle.

Calculate true RAM latency in nanoseconds from memory speed and CAS latency timing

Calculate the optimal TV viewing distance based on screen size, or find the ideal TV size for your room. Supports 1080p, 4K, and 8K resolutions.

Calculate cosmic radiation exposure during air travel based on flight duration, altitude, and route type

Calculate rent costs across different payment periods, price per square unit, and total expenses including utilities

Monitor your network connection status in real-time. Track connection speed, bandwidth, latency (RTT), connection type (WiFi, Ethernet, Cellular), and data saver mode. View detailed performance metrics including downlink speed and effective connection type (4G, 3G, 2G).

Calculate how many hours of daylight a day has based on geographic coordinates and date.

Render LaTeX mathematical expressions and formulas into beautifully formatted equations. Perfect for displaying complex mathematical notation, scientific expressions, and academic content.

Calculate KDA (Kill/Death/Assist) ratio and other gaming statistics. Track your performance in games with kills, deaths, and assists metrics.

Calculate clay shrinkage for pottery and ceramics. Find final dimensions after drying and firing, or determine what size to make your piece to achieve desired final dimensions.

Calculate the price per gram for products. Compare costs across different weight units including grams, kilograms, ounces, and pounds.

Convert chemical equations from mhchem syntax to LaTeX format. Supports chemical formulas, reactions, arrows, and more for scientific documentation.

Calculate the price per gigabyte (GB) for storage devices, cloud storage, or hosting plans. Compare storage costs across different units.

Calculate the boiling point of water at different atmospheric pressures. Useful for high-altitude cooking, laboratory work, and understanding thermodynamic principles.

Check if a number is prime instantly. Find all divisors of composite numbers. Perfect for math students, developers, and anyone learning about prime numbers and number theory.

Calculate the greatest common divisor (GCD) of multiple numbers.

Calculate the least common multiple (LCM) of multiple numbers.

Calculate percentage of a number.

Calculate monthly mortgage payments, total payment, and total interest.

Calculate your new salary after a pay rise. Supports both percentage and fixed amount increases.

Calculate loan amortization schedule with Euribor-based variable interest rates and detailed payment breakdowns.

Calculate laptop depreciation schedule based on usage patterns with monthly breakdowns and salvage value estimates.

Convert between annual salary and hourly wage, with breakdown of monthly, weekly, and daily rates.

Calculate net salary, gross salary, and employer costs in Estonia with detailed tax breakdown for 2025

Calculate Estonian salary for 2026 with the new flat tax-free allowance (€700/month). Tax hump abolished - same allowance for all income levels.

Calculate the cost per night for hotel stays based on total cost and number of nights or check-in/check-out dates.

Calculate VAT (Value Added Tax) - add or remove VAT from amounts.

Calculate annual income from hourly, daily, weekly, or monthly rates. Convert between different pay periods.

Calculate discounts, final prices, and savings with percentage or fixed amount discounts.

Calculate profit margin, markup percentage, and pricing from cost and revenue.

Calculate Stripe payment processing fees for different fee structures and transaction amounts.

Calculate how much money you spend on cigarettes per day, week, month, year, and over time

Calculate how much money you spend on vaping (e-cigarettes) including e-liquid and device costs per day, week, month, year, and over time

Calculate DPI/PPI and pixel pitch for screens and displays based on resolution and size.

Calculate Earth's curvature, horizon distance, and hidden height over any distance.

Calculate great-circle distances between two coordinates using latitude and longitude.

Convert light years to kilometers, miles, astronomical units, and parsecs with precise astronomical calculations.

Calculate the area of common 2D shapes with step-by-step formulas.

Calculate the amount of grass seed needed for your lawn based on area size and grass type.

Calculate fuel consumption for lawn mowers based on lawn area and mower type

Convert decimals to fractions and fractions back to decimals.

Generate random chemical elements with name, symbol, and atomic number from the periodic table.

Sort numbers in ascending or descending order with customizable separators

Calculate effective DPI (eDPI) for Counter-Strike 2. Convert between different DPI and sensitivity settings to find your perfect gaming setup.

Calculate your effective DPI (eDPI) for Risk of Rain 2 by combining mouse DPI with in-game sensitivity to get a standardized sensitivity measurement

Estimate fish weight based on length and girth measurements using species-specific formulas.

Calculate how many pizza slices each person gets or how many pizzas are needed for a group. Perfect for party planning and food ordering.

Keep a running count with adjustable step size, optional bounds, and quick reset controls.

Calculate effective DPI (eDPI) for Minecraft. Convert between different DPI and sensitivity settings to find your perfect gaming setup.

Calculate cycling cadence, gear ratios, and speed for optimal bike performance

Calculate video file sizes, storage requirements, and recording duration based on quality settings, bitrate, and codec.

Calculate runtime, total frames, and length for 8mm and Super 8mm film reels based on footage length and frame rate.

Calculate how long a battery will last based on its capacity, current draw, voltage, and efficiency.

Calculate estimated recovery time from jet lag based on time difference and age.

Calculate adjusted shutter speed when using ND (Neutral Density) filters for long exposure photography.

Calculate exposure bracketing sequences for HDR photography with customizable EV steps and number of brackets.

Compare total costs between Airbnb and hotel stays including all fees, taxes, and additional charges.

Compare total costs of leasing versus buying a vehicle with detailed breakdown of payments, interest, fees, and residual value.

Calculate the apparent temperature (feels like) based on actual temperature, humidity, and wind speed using heat index and wind chill formulas.

Calculate the cross sum (digit sum) and iterated cross sum (digital root) of any number

Convert between astronomical units (AU, light-years, parsecs) and regular length units (kilometers, miles, meters, feet)

Plan for a secure retirement. Estimate your savings amount based on age, contributions, and expected returns with inflation adjustment.

Calculate acceptance rates for college admissions, job applications, scholarships, and graduate programs. Shows acceptance rate, rejection rate, selectivity level, and odds.

Convert between diopters and focal length. Calculate lens power for eyeglasses, contact lenses, and optical systems.

Estimate total render time for 3D animations and projects based on frame render time, frame count, and render farm nodes

Calculate Equivalent Isotropically Radiated Power (EIRP) from transmit power, antenna gain, and cable loss. Essential for RF engineers and wireless network planning.

Calculate probabilities for single events.

Instantly convert numbers to and from millions. Enter 1 and get 1,000,000 — no need to count zeros. Fast, simple million number converter.

Instantly convert numbers to and from billions. Enter 1 and get 1,000,000,000 — no need to count zeros. Fast, simple billion number converter.

Instantly convert numbers to and from trillions. Enter 1 and get 1,000,000,000,000 — no need to count zeros. Fast, simple trillion number converter.

Instantly convert numbers to and from quadrillions. Enter 1 and get a number with 15 zeros — no need to count zeros. Fast, simple quadrillion number converter.

Instantly convert numbers to and from quintillions. Enter 1 and get a number with 18 zeros — no need to count zeros. Fast, simple quintillion number converter.

Instantly convert numbers to and from sextillions. Enter 1 and get a number with 21 zeros — no need to count zeros. Fast, simple sextillion number converter.

Instantly convert numbers to and from septillions. Enter 1 and get a number with 24 zeros — no need to count zeros. Fast, simple septillion number converter.

Instantly convert numbers to and from octillions. Enter 1 and get a number with 27 zeros — no need to count zeros. Fast, simple octillion number converter.

Instantly convert numbers to and from nonillions. Enter 1 and get a number with 30 zeros — no need to count zeros. Fast, simple nonillion number converter.

Instantly convert numbers to and from decillions. Enter 1 and get a number with 33 zeros — no need to count zeros. Fast, simple decillion number converter.

Convert dog age to an equivalent human age using a life-stage based formula.

Convert human years to cat years using a life-stage based formula.

Analyze the time and space complexity (Big-O notation) of any code using AI

Calculate number of floors, building height, or floor height from any two known values. Also computes ceiling clear height, stair steps per floor, and total stair steps.

Calculate the total number of pixels in a resolution by entering width and height. Includes presets for common display resolutions like 1080p, 4K, and 8K.

Generate palindrome numbers with configurable digit count, base (decimal, binary, octal, hexadecimal), and quantity.