UtilityHub
A comprehensive library of quick utilities for your daily tasks.
Identifiers
Text & Content
Design & Web
Math & Financial
Developer & IT
Web & Network
Conversion Calculators
Unit Converter
Length, Weight, Temp
Area Converter
Square meters, acres
Base Converter
Binary, Hex, Octal
Download Speed
Mbps, MB/s
Energy Converter
Joules, Calories
Force Converter
Newtons, lbf
Length Converter
Meters, miles, feet
Megabytes Converter
MB, GB, TB
Power Converter
Watts, kW, HP
Pressure Converter
Pascal, Bar, PSI
Roman Numerals
Roman to Arabic
Temperature
Celsius, Fahrenheit
Time Converter
Seconds, hours, days
Velocity Converter
km/h, mph, m/s
Volume Converter
Liters, gallons
Weight Converter
Kilograms, pounds
Data Converters
JSON to CSV/Excel
Flatten nested JSON
GeoJSON to CSV/Excel
Extract map properties
XML to CSV/Excel
Parse XML to tables
KML to CSV/Excel
Extract Google Earth data
YAML to CSV/Excel
Convert YAML to tables
HTML Table to CSV/Excel
Scrape HTML tables
HTML Links to CSV/Excel
Extract anchor tags
SQL to CSV/Excel
Parse SQL INSERTs
Fixed-Width to CSV
Legacy file format
CSV Converters
CSV to JSON
Parse CSV to JSON array
CSV to SQL
Generate INSERT statements
CSV to HTML Table
Format as HTML table
CSV to Markdown
Create MD tables
CSV to XML
Build XML trees
CSV to YAML
Convert to YAML config
CSV to Fixed-Width
Pad columns with spaces
CSV to GeoJSON
Export map features
CSV to KML
Google Earth formats
Cooking Calculators
Fitness Calculators
Chemistry Calculators
Construction Calculators
Circle Footage Cost
Area and cost
Concrete Ark Vol
Volume and bags
Concrete Round Slab
Volume and bags
Concrete Steps
Volume and bags
Concrete Volume
Volume and bags
Decagon Footage Cost
Area and cost
Feet and Inches
Math operations
Footage Cost
Area and cost
Heptagon Footage Cost
Area and cost
Hexagon Footage Cost
Area and cost
Meters and Centimeters
Math operations
Mulch Annulus
Volume and bags
Mulch
Volume and bags
Mulch Circle Border
Volume and bags
Mulch Circle Volume
Volume and bags
Mulch Rectangle Border
Volume and bags
Mulch Rectangle
Volume and bags
Mulch Square
Volume and bags
Mulch Trapezoid
Volume and bags
Mulch Triangle
Volume and bags
Octagon Footage Cost
Area and cost
Pentagon Footage Cost
Area and cost
Rectangle Footage Cost
Area and cost
Square Footage Cost
Area and cost
Triangle Footage Cost
Area and cost
Date Time Calculators
24-Hours Clock
12h to 24h
Age Calculator
Calculate exact age
Date Calculator
Add/subtract time
Days Ago
Find past dates
Days From Today
Find future dates
Days Until
Days left to event
Hours Ago
Past time by hours
Hours Calculator
Add/subtract hours
Hours From Now
Future time by hours
How Long Until
Countdown timer
Minutes Ago
Past time by minutes
Minutes From Now
Future time by mins
Months Ago
Past dates by months
Months From Now
Future dates by months
Time Calculator
Add/subtract time
Weeks Ago
Past dates by weeks
Weeks From Now
Future dates by weeks
Personal Finance Calculators
Amortization
Loan payment schedule
Auto Loan
Car financing costs
Compound Interest
See your money grow
Finance Charge
Credit card interest
Inflation Calculator
Purchasing power
Interest Calculator
Simple vs compound
Investment Growth
Forecast returns
Personal Loan
Monthly loan cost
Mortgage Calculator
Includes tax & insurance
Salary Calculator
Convert pay periods
Sales Tax
Add or extract tax
Simple Interest
Calculate I = PRT
APY Calculator
APR to APY conversion
CAGR Calculator
Compound Annual Growth Rate
Cash Flow to Debt Ratio
Solvency metric
Cash Ratio
Liquidity assessment
CD Calculator
Certificate of Deposit
Compound Interest Rate
Required rate to hit goal
Current Ratio
Short-term liquidity
Dividend Calculator
Yield and annual income
Dividend Discount Model
Stock intrinsic value (DDM)
Dividend Payout Ratio
% of earnings paid out
EBITDA Calculator
Operational profitability
Earnings per Share (EPS)
Profitability per share
Effective Interest Rate
True annual rate (EIR)
Equivalent Rate (EAR)
Compare financial products
Expense Ratio
Fund annual cost
Expense Ratio (ETF Cost)
Long-term fee drag
Forward Rate
Implied future rate
Future Value
Grow your investment
Net Profit Margin
Profitability metric
Return on Ad Spend (ROAS)
Ad campaign ROI
Sales Calculators
Geometry Calculators
Math Calculators
Binary Calculator
Math on binary numbers
Exponent Calculator
X raised to Y
Fraction Calculator
Simplify fractions
Hex Calculator
Math on hex values
Log Base 2
Binary logarithms
Logarithm
Common, natural & custom log
Percent Given Value
What is X% of Y?
Percentage Calculator
X is what % of Y?
Percentage Error
Approx vs Exact
Permutation & Combination
nPr and nCr
Remainder Calculator
Quotient and remainder
Rounding Calculator
Decimals and integers
Scientific Calculator
Advanced functions
Significant Figures
Count sig figs
Two's Complement
Decimal to binary format
Value Given Percent
Find the full 100%
Statistics Calculators
Other Calculators
Dice Roller
Roll virtual dice
Download Time
Estimate file download
GPA Planning
Target GPA goals
Gas Mileage
Vehicle fuel efficiency
Grade Calculator
Weighted final grade
Height Predictor
Child adult height
IP Subnet Calculator
IPv4 CIDR routing
Due Date Calculator
Pregnancy timeline
Prime Number Calc
Factorization analysis
Random Numbers
Generate RNG data
Physics Calculators
Acceleration
Change in velocity
Angular Resolution
Rayleigh criterion
Angular Velocity
Rotational speed
Aperture Area
Antenna physics
Bernoulli Equation
Fluid dynamics
Brewster's Angle
Polarization angle
Buoyancy
Upward fluid force
Centrifugal Force
Fictitious force
Coulomb's Law
Electrostatic force
Displacement
Kinematics
Drag Equation
Fluid resistance
E = mc²
Mass-energy
Force
F = ma
Free Fall
Gravity drops
Friction
Kinetic & static
Froude Number
Flow inertia to gravity
Gravitational Force
Newton's law of gravity
Hydraulic Pressure
P = F / A
Hydraulic Radius
Channel flow efficiency
Hydrostatic Pressure
Fluid depth pressure
Impulse & Momentum
J = Δp
Index of Refraction
Light speed in medium
Kinetic Energy
Energy of motion
Knudsen Number
Fluid mechanics
Length Contraction
Special relativity
Lightning Distance
Flash to bang
Mach Number
Speed of sound
Magnitude of Accel.
Vector components
Malus's Law
Polarized light intensity
Moment of Inertia
Rotational inertia
Newton's 2nd Law
F = m * a
Normal Force
Surface support force
Pendulum Period
Swing time
Poisson's Ratio
Material strain
Potential Energy
PE = mgh
Power (Physics)
Rate of work
Reduced Mass
Two-body problem
Rotational KE
Spinning energy
Strain
Deformation ratio
Stress
Force over area
Velocity
Distance over time
Work
Energy transferred