🧮 Calculators Collection
Various calculators for daily life and work
Basic Calculators
Math Calculators
🍕
Fraction Calculator
Fraction arithmetic and simplification
📊
Percentage Calculator
Percentage, increase, decrease
📉
Percent Error Calculator
Error between measured and actual values
⚡
Exponent Calculator
Calculate x to the power of y
📈
Log Calculator
ln, log10, any base logarithm
⚖️
Ratio Calculator
Ratio calculation and simplification
√
Root Calculator
Calculate nth root
🔗
LCM Calculator
LCM and GCD calculation
🎯
GCF Calculator
GCF and Euclidean algorithm
🧩
Factor Calculator
All factors and prime factorization
🎲
Rounding Calculator
Round, ceil, floor, truncate
🔢
Matrix Calculator
Matrix operations, determinant, inverse
🔬
Scientific Notation
Scientific notation conversion
🌌
Big Number Calculator
Very large number operations
💡
Quadratic Formula
Solve using quadratic formula
☢️
Half Life Calculator
Radioactive decay calculation
🌀
Fibonacci Calculator
Fibonacci sequence
🔢
Gaussian Elimination
Linear equation solver
%
Modulo Calculator
Modular arithmetic and cryptography operations
📐
Polynomial Factorization
Factor polynomials
🔍
Prime Checker
Prime number check & list
🎓
GPA Calculator
Grade point average
🔄
Fraction-Decimal Converter
Fraction ↔ decimal
Statistics Calculators
📏
Standard Deviation
Standard deviation, variance, mean
🔢
Number Sequence
Pattern recognition and prediction
👥
Sample Size Calculator
Survey sample size
🎰
Probability Calculator
Probability and conditional probability
📊
Statistics Calculator
Comprehensive statistical analysis
📈
Mean/Median/Mode
Central tendency measures
🎲
Permutation & Combination
nPr, nCr calculation
📉
Z-Score Calculator
Z-score and normal distribution
📐
Confidence Interval
Confidence interval and standard error
📊
P-value Calculator
Statistical significance
🏆
Rank Calculator
Percentile & rank
Geometry Calculators
🔺
Triangle Calculator
Area, perimeter, angle calculation
📦
Volume Calculator
3D shape volume
📐
Slope Calculator
Line slope and equation
◼️
Area Calculator
2D shape area
📏
Distance Calculator
Distance between 2D/3D points
⭕
Circle Calculator
Circle area, circumference, radius
🎁
Surface Area Calculator
3D shape surface area
📏
Pythagorean Theorem
Right triangle side calculation
🔺
Right Triangle Calculator
Comprehensive trigonometry
⬡
Regular Polygon Calculator
Polygon area, perimeter, angles
🥧
Sector Calculator
Sector area, arc length
🔺
Pyramid Calculator
Pyramid volume, surface area
📦
Rectangular Prism Calculator
Prism volume, surface area
◇
Rhombus Calculator
Rhombus area, perimeter, angles
📐
Geometry Calculator
Comprehensive geometry
⭕
Perimeter Calculator
Shape perimeter
🗺️
Scale Calculator
Map scale calculation
Finance Calculators
💰
Overspending Index
Income to expense ratio analysis
🏷️
Discount Calculator
Discounted price and savings
💵
Sales Commission
Commission and net amount
📉
Loss Recovery Calculator
Required gain to recover loss
📈
CAGR Calculator
Compound annual growth rate
💹
ROI Calculator
Return on investment
📊
ROAS Calculator
Return on ad spend
📉
Depreciation Calculator
Asset depreciation calculation
💼
EBITDA Calculator
Operating cash flow measure
Number Systems
Unit Conversion
📏
Inch Converter
cm ↔ inch conversion
⚖️
Pound Converter
lb ↔ kg conversion
🛣️
Mile Converter
mile ↔ km conversion
🥤
Ounce Converter
oz ↔ ml conversion
🌾
Hectare Converter
ha ↔ pyeong ↔ m² conversion
🌡️
Temperature Converter
°C, °F, K conversion
🏃
Speed-Distance-Time Calculator
Speed, distance, time calc
🧭
DMS Converter
DMS ↔ decimal conversion
⭕
Radian Converter
Radian ↔ degree conversion
🌱
Acre Converter
acre ↔ m² ↔ pyeong
🚰
Gallon Converter
gallon ↔ liter conversion
📐
Yard Converter
yard ↔ meter conversion
🐴
Horsepower Converter
HP ↔ kW conversion
💊
Vitamin Unit Converter
IU ↔ PPM conversion
Science/Engineering
⚗️
Density Calculator
Density, mass, volume
⚖️
Mass Calculator
Mass unit conversion
🧪
PPM Concentration
PPM, PPB concentration
💧
Dilution Calculator
Solution dilution
✨
Golden Ratio Calculator
Golden ratio calc
📦
Capacity Calculator
Volume capacity
🔌
Resistor Color Code
4-band resistor
🔌
Resistor Color Code (5-band)
5-band resistor
Architecture/Real Estate
🏗️
Building Coverage Ratio
Coverage ratio calc
📊
Floor Area Ratio
FAR calculation
🏠
Exclusive Area Calculator
Exclusive/common area
📐
Room Pyeong Calculator
Room size in pyeong
💰
Price per Pyeong
Price per pyeong calc
🧱
Tile Installation
Tile quantity needed
🚛
Ready-Mix Concrete
Concrete volume
💨
Duct Airflow
Air flow calculation