All Calculators

Advanced calculator with standard and scientific functions, graphing capabilities

Calculate your Body Mass Index based on height and weight

Find your ideal weight based on height, age, and gender

Calculate your Basal Metabolic Rate and daily calorie needs

Calculate your waist-to-hip ratio and assess health risks

Calculate BMI percentiles for children and teens

Calculate your lean body mass and fat mass

Calculate your body surface area for medical dosing

Find your healthy weight range based on BMI

Determine your body frame size using wrist measurements

Track and predict child growth percentiles

Calculate your daily water intake needs

Understand air quality index values and health impacts

Calculate your daily calorie needs based on activity level

Calculate monthly payments and total interest for loans

Calculate monthly loan payments with detailed amortization schedule

Advanced financing calculator for vehicles, equipment, and other purchases

Calculate how your investments grow with compound interest

Calculate mortgage payments, amortization, and total interest

Calculate percentages, increases, decreases, and differences

Calculate profit, revenue, cost, and profit margin

Calculate interest earned or paid on principal amount

Calculate profit margin, markup, and selling price

Plan your retirement savings and income needs

Calculate investment growth, returns, and future value

Calculate optimal pricing based on costs, competition, and market demand

Calculate the exact time between two dates

Calculate the average of a set of numbers

Calculate area for various shapes and polygons

Solve quadratic equations with step-by-step solutions

Solve proportions using the rule of three method

Calculate your daily calorie needs based on activity level

Calculate your ideal macronutrient ratios for your goals

Estimate your body fat percentage using various methods

Calculate your Total Daily Energy Expenditure

Estimate your one-repetition maximum for weightlifting

Calculate your daily protein needs based on your goals

Calculate calories burned during different activities

Find your ideal weight based on height and gender

Calculate your Basal Metabolic Rate

Calculate running or walking pace, time, and distance

Estimate your maximal oxygen uptake and fitness level

Calculate your estimated due date and pregnancy timeline

Track healthy weight gain during pregnancy

Estimate when conception likely occurred

Track your fertile window and ovulation days

Calculate calorie needs during pregnancy by trimester

Convert between weeks, months, and trimesters

Track fetal growth and development milestones

Estimate fetal weight by gestational age

Convert between different units of measurement

Convert between Celsius, Fahrenheit, and Kelvin

Convert between meters, feet, inches, and more

Convert between kilograms, pounds, ounces, and more

Convert between liters, gallons, cups, and more

Convert between km/h, mph, m/s, and more

Convert between seconds, minutes, hours, days, and more

Convert between joules, calories, kWh, and more

Analyze algorithm complexity and performance

Test and debug regular expressions with examples

Encode and decode text and files to/from Base64

Generate secure passwords with strength analysis

Convert between bytes, KB, MB, GB, TB and more

Generate QR codes for URLs, text, and contact info

Format, validate, and beautify JSON data

Generate MD5, SHA1, SHA256 hashes for text and files

Encode and decode URLs and query parameters

Convert between HEX, RGB, HSL, and other color formats

Count characters, words, lines, and analyze text statistics

Reverse text characters or words for creative purposes

Convert text to uppercase, lowercase, title case, and more

Remove duplicate lines or words from text

Sort text lines alphabetically in ascending or descending order

Create upside down text using Unicode characters

Generate fancy text with different Unicode font styles

Stack text vertically character by character

Add prefixes or suffixes to each line of text

Find synonyms and similar words for better writing

Find and replace text with support for regular expressions

Convert JPG images to PDF documents online

Convert PDF pages to JPG images with high quality

Extract text content from PDF documents

Convert CSV files to Excel XLSX format

Convert Excel XLSX files to CSV format

Convert miles to kilometers and km to miles instantly

Convert kilometers per hour to miles per hour and vice versa

Calculate fuel consumption in MPG, L/100km, and other units

Calculate the total cost of your trip based on distance and fuel prices

Convert liters to gallons (US/UK) and gallons to liters

Convert horsepower to kilowatts and kW to HP for engines

Convert torque between Newton-meters and pound-feet

Convert tire pressure between PSI, Bar, and kPa

Calculate the cost per mile or kilometer for vehicle operation

Compare costs and efficiency between gasoline and ethanol fuel

Calculate your vehicle's driving range based on tank size and fuel consumption

Convert engine displacement between cubic centimeters and liters

Estimate car insurance costs based on various factors

Calculate vehicle depreciation and future value over time

Calculate fuel efficiency in km/L, MPG, and L/100km based on distance and fuel used

Estimate fuel consumption for trips based on distance and vehicle efficiency

Convert CSV files to JSON format with structure preview and validation

Convert CSV tables to delimited text format with custom separators

Convert JSON to JSON Lines format (one object per line) for streaming data

Convert Apache Parquet files to CSV format for data analysis

Convert JPG images to PNG format with transparency support