All Calculators
Access all categories and calculation tools on our platform from here. Quickly find the calculation you need.
Mathematics
Calculators for algebra, geometry, trigonometry, number theory, and statistics, with clear step-by-step results for study and work.
Area Calculator
Calculate the area of geometric shapes
Golden Ratio Calculator
Calculate golden ratio and Fibonacci sequence
Per Mille Calculator
Calculate per mille ratio
Perimeter Calculator
Calculate the perimeter of geometric shapes
Factorial Calculator
Calculate the factorial value of numbers
Volume Calculator
Calculate the volume of geometric shapes
Combination Calculator
Calculate combinations and permutations
Root Calculator
Calculate square root, cube root, and nth root
Ratio Calculator
Calculate proportions and ratios
Permutation Calculator
Calculate permutations and arrangements
Antilog Calculator
Calculate antilogarithm values
Logarithm Calculator
Calculate logarithm values
Prime Factor Calculator
Find prime factors of numbers
Arithmetic Mean Calculator
Calculate the average of numbers
Power, Root and Fractional Exponent Calculator
Calculate powers, roots, and fractional exponents
Simplify Square Root
Extract numbers from square root
Modular Arithmetic Calculator
Perform modular arithmetic operations
Arc Length Calculator
Calculate the length of a circle arc
GCD LCM Calculator
Calculate greatest common divisor and least common multiple
Fraction to Decimal Converter
Convert fractions to decimal numbers
Percentage Calculator
Calculate percentages and ratio operations
Harmonic Mean Calculator
Calculate the harmonic mean of numbers
Fraction Simplifier
Simplify fractions
Tangent Calculator
Calculate tangent values
Sine Calculator
Calculate sine values
Cosine Calculator
Calculate cosine values
Determinant Calculator
Calculate 2x2 and 3x3 matrix determinants
What is Probability and How to Calculate It?
Basic, conditional, and Bayes probability calculations
Percentile Calculator
Calculate percentile ranks in a dataset
Fraction Calculator
Add, subtract, multiply, and divide fractions
Standard Deviation Calculator
Calculate standard deviation and variance of data groups
Confidence Interval Calculator
Calculate statistical confidence intervals
Scientific Notation Calculator
Convert numbers to scientific notation and calculate
Time
Time and date tools for age, date differences, countdowns, week numbers, time zones, and precise stopwatch timing.
Online Stopwatch
Online stopwatch for precise time measurement
Time Difference Calculator
Calculate time difference between different time zones
Days Until Calculator
Calculate how many days until a specific date
What Day is 139 Days After Birthday
Calculate what date it will be after a specific number of days
Relationship Duration Calculator
Calculate relationship duration
Days Until Summer
Calculate time remaining until summer season
Detailed Age Calculator
Calculate detailed age in years, months, days, hours, and minutes
Duration Add Subtract
Add and subtract multiple durations
Detailed Date Difference
Calculate exact difference between two dates (years, months, days)
Week Number Calculator
Calculate week number within the year
Month End Date Calculator
Find the last day of a specific month
Birthday Countdown
Time remaining until next birthday
Age Difference Calculator
Calculate age difference between two people
Military Discharge Calculator
Calculate discharge date and remaining days for military service
Conversion
Fast, reliable unit converters for length, area, weight, temperature, power, data speed, and screen sizes.
Inch Calculator
Convert between inches and centimeters
Square Meter Calculator
Calculate area measurements and square meters
Mile Calculator
Convert between miles and kilometers
Length Converter
Convert between different length units
7 Inches to Centimeters (cm)
Convert 7 inches to centimeters
Millimeter to Meter Converter
Convert between millimeters and meters
Mbps to MB Calculator
Calculate internet speed and data amount
2 Miles to Kilometers
Convert 2 miles to kilometers
Celsius to Fahrenheit Converter
Convert between temperature units
Weight Converter
Convert between different weight units
Ton to Kilogram Converter
Convert between tons and kilograms
Second to Minute Converter
Convert between seconds and minutes
Hour to Day Converter
Convert between hours and days
Milligram to Gram Converter
Convert between milligrams and grams
Kilowatt to Watt Converter
Convert between kilowatts and watts
Centimeter to Feet Converter
Convert between centimeters and feet
Mile to Kilometer Calculator
Convert between miles and kilometers
Pixel to Centimeter Converter
Convert between pixels and centimeters
6.7 Inches to Centimeters (cm)
Convert 6.7 inches to centimeters
6.1 Inches to Centimeters (cm)
Convert 6.1 inches to centimeters
4.5 Inches to Centimeters (cm)
Convert 4.5 inches to centimeters
6.2 Feet (ft) to Centimeters (cm)
Convert 6.2 feet to centimeters
180 Miles to Kilometers (km)
Convert 180 miles to kilometers
6 Inches to Centimeters (cm)
Convert 6 inches to centimeters
23 Inches to Centimeters
Convert 23 inches to centimeters
Decimeter to Centimeter Converter
Convert between decimeters and centimeters
Shoe Size Converter
Convert shoe sizes (EU, US, UK, CM)
Text
Text tools for counting words and characters, changing case, hashing, encoding, and analyzing readability.
Roman Numeral Date
Write dates using Roman numerals
Roman Numeral Converter
Convert Roman numerals
Number to Text Converter
Convert numbers to written form
Word and Character Counter
Count words, characters, and letters in text
Text Comparison
Compare two texts and find differences
Text Case Converter
Convert text case (uppercase/lowercase)
Reverse Text
Reverse text (reverse text)
Base64 Encoder/Decoder
Base64 encode/decode operations
MD5 Hash Calculator
Calculate MD5 hash value of text
SHA256 Hash Calculator
Calculate secure SHA256 hash
URL Encoder/Decoder
URL encode/decode operations
HTML Entity Converter
Convert HTML characters
Text Repeater
Repeat text a specified number of times
Line Counter
Count lines in text
Sentence Analyzer
Sentence analysis and statistics
Paragraph Analyzer
Paragraph count and analysis
Text Summarizer
Automatic summary generation (simple algorithm)
Word Frequency Analyzer
Most used words and statistics
Text Cleaner
Remove unnecessary characters and spaces
Language Detector
Detect text language (English/Turkish etc.)
Astrology
Astrology calculators for zodiac, rising, and moon signs, birth charts, numerology, compatibility, and retrogrades.
Rising Sign Calculator
Calculate rising sign based on birth time and location
Juno Sign Calculator
Calculate Juno asteroid sign
Numerology Calculator
Numerology analysis based on name and birth date
Gender Prediction (Russian Calendar)
Predict baby gender using Russian calendar
Aura Color Calculator
Discover the color of your personal energy field
Moon Sign Calculator
Calculate moon sign based on birth date
Venus Sign Calculator
Venus sign analysis and interpretation
Mars Sign Calculator
Mars sign analysis and interpretation
Mercury Sign Calculator
Mercury sign analysis and interpretation
Jupiter Sign Calculator
Jupiter sign analysis and interpretation
Saturn Sign Calculator
Saturn sign analysis and interpretation
Uranus Sign Calculator
Uranus sign analysis and interpretation
Neptune Sign Calculator
Neptune sign analysis and interpretation
Pluto Sign Calculator
Pluto sign analysis and interpretation
Zodiac Compatibility
Compatibility analysis between two zodiac signs
Birth Chart Calculator
Detailed birth chart calculation and analysis
Moon Phase Calculator
Calculate moon phase at birth
Retrograde Calculator
Calculate planetary retrograde status
Zodiac Element Calculator
Zodiac element analysis (Fire, Earth, Air, Water)
Astrology Houses Calculator
Calculate and analyze birth chart houses
Zodiac Sign Calculator
Calculate Sun sign and element based on birth date
Chinese Zodiac Calculator
Calculate 12-animal Chinese zodiac sign based on birth year
Lilith Sign Calculator
Calculate Lilith (Black Moon) sign based on birth date
MC Sign Calculator
Calculate MC (Midheaven) sign based on birth date, time, and location
Love Calculator
Calculate love percentage based on name compatibility
Other
Everyday utilities including random generators, QR codes, barcodes, passwords, validators, and quick decision tools.
Random Number Generator
Generate random numbers from a specified range
Random Word Generator
Select random words
Random Color Generator
Generate random colors (HEX, RGB, HSL)
QR Code Generator
Generate and download QR codes
Barcode Generator
Generate and download barcodes
Password Generator
Generate secure passwords (length, character types)
UUID Generator
UUID generator (v4)
IP Address Info
Query IP address information
Domain Age Checker
Query domain registration date and age
Email Validator
Email format check and validation
Phone Formatter
Format phone numbers
Credit Card Validator
Card number validation (Luhn algorithm)
Coordinate Converter
Convert latitude/longitude and format conversion
Random Date Generator
Generate random dates (within specified range)
Decibel Calculator
Calculate total noise level (dB)
Gender Prediction (Chinese Calendar)
Predict baby gender using Chinese calendar
World Clock Calculator
Find local times and time differences in different countries
Generation Calculator
Find which generation (X, Y, Z, Alpha) you belong to
YouTube Revenue Calculator
Calculate estimated revenue based on YouTube views
Dice Roller
Online dice rolling simulator
Coin Flipper
Online coin flipping simulator
Finance
Finance calculators for interest, savings, investments, mortgages, taxes, VAT, gold, and currency conversion.
Simple Interest Calculator
Calculate simple interest and return analysis
Compound Interest Calculator
Calculate compound interest and investment analysis
Interest Calculator
General interest calculation tools
Stock Cost Calculator
Calculate stock cost basis
Crypto Cost Calculator
Calculate profit/loss status of your cryptocurrency investments
Loan Calculator
Calculate loan repayment and installments
Currency Converter
Convert using current exchange rates
Gold Price Calculator
Calculate gold value and profit/loss analysis
Mortgage Calculator
Detailed mortgage calculation and analysis
Auto Loan Calculator
Detailed auto loan calculation and analysis
ROI Calculator
Calculate ROI and investment analysis
Discount Calculator
Calculate product discount rate and new price
Profit Calculator
Calculate commercial profit margin
Loss Calculator
Calculate commercial loss rate
Salary Raise Calculator
Calculate salary, rent, and wage increase rates
CAGR Calculator
Calculate annual average growth rate of investments
Savings Calculator
Calculate monthly savings and interest returns
Bond Calculator
Calculate treasury bond and government bond returns
Tip Calculator
Calculate bill splitting and tip percentage
Pension Calculator
Calculate your estimated retirement income and pension projection
Tax Calculator
Calculate income tax and other tax liabilities
VAT Calculator
Calculate Value Added Tax (VAT) for products and services
VAT General Calculator
General purpose VAT calculation tool for diverse rates
Eurobond Calculator
Calculate Eurobond current yield and yield to maturity
Withholding Tax Calculator
Calculate withholding tax deductions and net amount
Maternity Credit Calculator
Calculate maturity credit cost for pension benefits
Health
Health and fitness calculators for BMI, body composition, calories, nutrition, sleep, and pregnancy.
Menstrual Cycle Calculator
Track menstrual cycle and calculate next period date
Bra Size Calculator
Calculate correct bra size and size guide
BMI Calculator
Calculate BMI using your height and weight information
Age Calculator
Calculate precise age based on birth date
HOMA-IR Calculator
Calculate HOMA-IR for insulin resistance assessment
One Rep Max Calculator
Calculate maximum weight you can lift in one repetition
Calorie Needs Calculator
Calculate daily calorie needs (BMR, activity factor)
Water Intake Calculator
Calculate daily water needs (age, weight, activity)
Ideal Weight Calculator
Calculate ideal weight range (different formulas)
BMR Calculator
Calculate BMR (Harris-Benedict, Mifflin-St Jeor)
Body Fat Calculator
Calculate body fat percentage (different methods)
Muscle Mass Calculator
Muscle mass analysis and calculation
Pregnancy Calculator
Pregnancy week and estimated due date
Due Date Calculator
Calculate estimated due date (last menstrual period)
Menstrual Tracker
Menstrual cycle tracking and analysis
Sleep Needs Calculator
Calculate sleep needs by age
Exercise Calorie Calculator
Calculate activity calories (MET values)
Protein Needs Calculator
Calculate daily protein needs
Carb Needs Calculator
Calculate daily carbohydrate needs
Fat Needs Calculator
Calculate daily fat needs
Smoking Cost Calculator
Calculate the cost of smoking on your budget
Ovulation Calculator
Most fertile days and ovulation calendar
Sleep Calculator
Calculate ideal sleep hours and REM cycles
Blood Alcohol Calculator
Calculate estimated blood alcohol content (BAC)
Education
Education tools for GPA, course and final grades, and IELTS, TOEFL, GRE, and SAT score calculations.
Grade Calculator
Calculate and evaluate your course grades
Final Grade Calculator
Calculate semester grade based on exam and performance scores
GPA Calculator
Calculate overall GPA (Grade Point Average)
IELTS Score Calculator
Calculate and evaluate IELTS exam results
TOEFL Score Calculator
Calculate and evaluate TOEFL exam scores
GRE Score Calculator
Calculate and evaluate GRE exam scores
SAT Score Calculator
Calculate and evaluate SAT exam scores
Language Level Calculator
Determine and evaluate CEFR language level
Midterm Final Average Calculator
Calculate university exam average and passing grade
Credit
Loan and credit card calculators for monthly payments, installments, APR, fees, and refinancing decisions.
Personal Loan Calculator
Calculate personal loan installments and interest
Business Loan Calculator
Business loan calculation and analysis tool
Credit File Fee Calculator
Calculate credit file fees
Early Payment Penalty Calculator
Calculate early loan payoff penalty
Late Payment Interest Calculator
Calculate late payment interest on loans
Credit Card Minimum Payment Calculator
Calculate credit card minimum payment amount
Credit Card Installment Calculator
Calculate credit card installment payments
Credit Card Late Fee Calculator
Calculate credit card late fees
Credit Card Transaction Installment Calculator
Calculate credit card transaction installments
Cash Advance Installment Calculator
Calculate cash advance installments
Credit Restructuring Calculator
Calculate credit restructuring options
Annual Percentage Rate Calculator
Calculate annual percentage rate (APR)
Affordable Loan Amount Calculator
Calculate affordable loan amount based on income
Commercial Vehicle Loan Calculator
Commercial vehicle loan calculation and analysis tool
Commercial Personal Loan Calculator
Commercial personal loan calculation tool
Commercial Loan Calculator
Commercial loan calculation and analysis tool
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