All calculators, converters, and randomizers

GIGA has a vast collection of free tools to help you with mathematical approaches to problems in science, business, or everyday life.

Calculators

Business calculators     

Return on Investment Break-Even Discount Margin Markup Commission Conversion Rate
Productivity Return on Equity Return on Assets Return on Sales Return on Invested Capital Six Sigma

Finance calculators     

Compound Interest CD APY Loan Rent VAT Hourly to Salary Salary to Hourly Car Depreciation
Present Value Future Value NPV IRR WACC CAGR Discounted Cash Flow Time Value of Money College Value

Date-Time calculators     

Time Days Hours Age Day Counter
Time Card Date & Time Duration Add Days Business Days

Health calculators     

BMI Calorie Weight Loss Water Intake Height Body Fat BMR RMR
Healthy Weight Ideal Weight Army Body Fat Lean Body Mass Keto Height Percentile Body Surface Area Thermic Effect of Food

Fitness calculators     

Total Daily Energy Expenditure Macronutrient Fat Intake Protein Carb
Protein Requirement Target Heart Rate Estimated Energy Requirement Pace

Transportation calculators     

Fuel Cost Gas Mileage (MPG) Speed Distance Time Average Speed
Fuel Consumption Pallet Container Loading

Construction calculators     

Paint Brick Tile Concrete Gravel Sand
Asphalt Mulch Topsoil Square Footage Tank Volume Metal Weight

Mathematics calculators     

Mean Median Mode Mean, Median, Mode Geometric Mean Harmonic Mean Weighted Average Exponent Hex Binary Percentage Percentage Increase Percentage Decrease Ratio Sequence Proportion Logarithm Antilog
Square Root Cube Root Root Summation Scientific Notation Fraction Simplify Fractions Least Common Multiple Least Common Denominator Greatest Common Divisor Significant Figures Standard Form Decimal to Fraction Fraction to Decimal Decimal to Percent Percent to Decimal Fraction to Percent Percent to Fraction

Geometry calculators     

Perimeter Area Volume Surface Area Midpoint Area of a Circle Area of a Triangle Area of a Square Area of a Rectangle Area of a Parallelogram Area of a Trapezoid Area of a Sector
Area of an Octagon Circumference of a Circle Perimeter of a Triangle Perimeter of a Square Perimeter of a Rectangle Volume of a Cube Volume of a Box Volume of a Sphere Volume of a Cylinder Volume of a Cone Volume of a Triangular Prism Endpoint

Trigonometry calculators     

Trigonometry Sine Cosine Tangent Cotangent
Arcsin Arccos Arctan Arccot

Statistics calculators     

Standard Deviation P-value Confidence Interval Chi-Square Permutation Combination Normal Distribution Binomial Distribution Z Score Percent Error Random Number Generator Sample Size Correlation Coefficient
Critical Value Covariance Relative Risk Odds Ratio Hazard Ratio Z-score to P-value P-value to Z-score Chi-Square to P-value Coefficient of Variation Bayes Theorem Normality Test Sample Ratio Mismatch Severity

Physics calculators     

Ohm's Law Half-Life Acceleration Kinetic Energy Impact Force Density Ideal Gas Law Van der Waals
Flow Rate Reynolds Number Angular Velocity Terminal Velocity Buoyancy Thermal Expansion Capacitor Energy

Data calculators     

RAID

Crypto calculators     

md5 Online Generator SHA1 Online Generator SHA256 Online Generator
SHA512 Online Generator CRC

Other calculators     

Percent Off Tip GPA Grade Final Grade Body Shape Lucky Number Generator Password Generator Dog Years
IQ Percentile Recipe Converter & Scaler Marks Percentage Sobriety Pool Volume Aquarium Volume Toilet Paper GDPR Compliance Cost Damage Per Second

Converters

Dimensions converters     

Metric Metric to Imperial Imperial to Metric Inches to cm Cm to inches Ft to cm Cm to ft Ft to in In to ft Yards to in In to yards Meters to Inches Inches to Meters Yard to cm Cm to yard Cm to m
M to cm Mm to cm Cm to mm Inch to mm mm to inch M to mm mm to m Dm to cm Cm to dm Micrometer to mm Mm to micrometer Nm to mm Mm to nm Nm to micrometer Micrometer to nm

Distance converters     

Metric Metric to Imperial Imperial to Metric Km to Miles Miles to Km Meters to Miles Miles to Meters Yards to Meters Meters to Yards Yards to Miles Miles to Yards Feet to Meters Meters to Feet Feet to Yards Yards to Feet Feet to Km
Km to Feet Meters to Km Km to Meters Feet to Miles Miles to Feet Nautical miles to Miles Nautical miles to Km Nautical miles to Meters Miles to Nautical miles Km to Nautical miles Meters to Nautical miles Fathoms to Meters Fathoms to Feet Leagues to Miles Miles to Leagues

Area converters     

Area Acres to Hectares Square Meters to Square Feet Square Miles to Square Feet Square Feet to Square Meters
Square Feet to Acres Acre to Square Feet Square Miles to Square Kilometers Square Kilometers to Square Miles

Volume converters     

Volume

Speed converters     

Speed Mph to Kmh Kmh to Mph Mph to Fps Fps to Mph
Mph to Mps Mps to Mph Kph to Mps Mps to Kph

Mathematics converters     

Percent to Fraction Fraction to Percent Decimal to Fraction Fraction to Decimal Decimal to Percent Percent to Decimal Roman Numerals
Hex to Decimal Hex to Binary Binary to Decimal Binary to Hex Decimal to Hex Decimal to Binary

Data converters     

Data Units MegaBytes to GigaBytes (MB to GB) GigaBytes to MegaBytes (GB to MB) KiloBytes to MegaBytes (KB to MB) MegaBytes to KiloBytes (MB to KB) Bytes to MegaBytes (Bytes to MB) MegaBytes to Bytes (MB to Bytes) GigaBytes to TeraBytes (GB to TB) TeraBytes to GigaBytes (TB to GB) MegaBits to MegaBytes
MegaBytes to MegaBits Bits to Bytes Bytes to Bits Mbps to MB MB to mbps Kbps to Mbps Mbps to Kbps Mbps to Gbps Gbps to Mbps

Physics converters     

Joules to Watts Watts to Joules Joules to Kilojoules
Kilojoules to Joules Light Year to Parsec Parsec to Light Years

Other converters     

Height Length Salary
Fuel Consumption Dog Years

Randomizers

List Randomizer Dice Roller Random Picker Random Team Random Letter Random String Random Name Picker
Random Alphanumeric Random Country Random Color Random Date Random Month Random Choice