H Calculators Free Online Calculators & Converters

Explore a world of possibilities with our intuitive, user-friendly calculators and converter tools.

Financial, Tax, Loan & Mortgage Calculators

Amortization Calc
Auto Loan Calculator
Compound Interest
Debit Payoff Calculator
Investment Calculator
Loan Calculator
Mortgage Calculator
Net Worth Calculator
Retirement Calculator
Savings Calculator
Income Tax Calculator
Salary Tax Calculator
Salary Calculator
Interest Rate Calc
House Affordability
GST Calculator
VAT Calculator
Debt Consolidation
IRA Calculator
RMD Calculator
Profit Margin Calculator
Percent Off Calculator
Future Value Calculator
ROI Calculator
student loan calc
Biweekly Payment
Early Loan Payoff
Loan Affordability
Loan Comparison
Loan Repayment
Mortgage Payment
Refinance Calculator
Discount Calculator
Markup Calculator
Percentage Change
Percentage Converter
% Increase/Decrease
Percentage of Total
Tax Calculator
Tip Calculator

Math, Chemistry, Physics, Algebra & Geometry Calculators

Gas Law Calculator
Molarity Calculator
pH Calculator
Stoichiometry Calc
Area Calculator
Segment Calculator
Circle Solver
Coordinate Geometry
Geometric Transform
Line Calculator
Perimeter Calculator
Polygon Properties
Right Triangle Calc
Similarity Calculator
Surface Area Calc
Tessellation Creator
Triangle Solver
Trigonometric Calc
Volume Calculator
Graphing Calculator
Circuit Analysis
Electromagnetic Field
Kinematics Calculator
Nuclear Physics
Optics Calculator
Projectile Motion
Quantum Mechanics
Special Relativity
Wave Mechanics
Work and Energy
Density Calculator
Weight Calculator
Scientific Calculator
Volume Calculator
Percent Error Calc
Binary Calculation
Binary/Decimal Convert
Slope Calculator
Area Calculator
Ratio Calculator
Root Calculator
Rounding Calculator
Scientific Notation
Distance Calculator
Surface Area Calc
Right Triangle Calc
Matrix Calculator
Long Division Calc
Quadratic Equation Solver
Polynomial Factorization
Factorization Calculator
Expression Simplifier

Health, Calorie & Nutrition Calculators

Sleep Duration Calculator
Stress Level Calculator
(1RM) Calculator
sun exposure calculator
Caloric Deficit/Surplus
Calorie Intake Calc
Food Calorie Calculator
Macronutrient Calc
Nutrition Comparison
Nutrition Label Calc
Recipe Nutrition Calc
Supplement Calc
Age Calculator
Age Difference Calc
BMR Calculator
BAC Calculator
BMI Calculator
Body Fat Calculator
Body Fat Navy Method
Caloric Needs Calc
Calories Burned Activity
Calories Running
Daily Calorie Needs
Daily Protein Intake
Depreciation Calculator
Heart Rate Calculator
Ideal Weight Calculator
Theorem Calculator
Running Pace Calc
Target Heart Rate
Water Intake Calc
Pregnancy Due Date
Macro Calculator
Pregnancy Conception
Carbohydrate Calc
Protein Calculator

Engineering Calculators

Beam Deflection Calc
Fluid Mechanics Calc
Gear Ratio Calculator
HVAC Calculator
Mechanical Adv Calc
Motor Sizing Calc
Ohm’s Law Calculator
Strength of Materials
Thermodynamics Calc
Concrete Calculator
Roofing Calculator
Horsepower Calculator

Statistical Calculators

ANOVA Calculator
Box Plot Creator
Chi-Square Calculator
Confidence Interval
Coefficient Calculator
Histogram Generator
Hypothesis Testing
Mode Calculator
Probability Calculator
Distribution Calc
Regression Analysis
Sampling Calculator
Time Series Analysis
T-Test Calculator
Standard Deviation
Renovation Space

Travel Calculators

Accommodation Cost
Carbon Footprint
Time Zone Converter
Travel Insurance Calc

Data Calculators

Bits to Nibbles
Bits to Bytes
Bits to Kilobits
Bits to Kibibits
Bits to Kibibytes
Bits to Kilobytes
Bits to Megabits 
Bits to Mebibits
Bits to Megabytes
Bits to Mebibytes 
Bits to Gigabits
Bits to Gibibits
Bits to Gigabytes
Bits to Gibibytes
Bits to Terabits
Bits to Tebibits
Bits to Terabytes
Bits to Tebibytes
Bits to Petabits 
Bits to Petabytes 
Bits to Pebibytes 
Bits to Pebibits
Bits to Exabits 
Bits to Exbibits
Bits to Exabytes
Bits to Exbibytes 
Bits to Zettabits 
Bits to Zebibits 
Bits to Zettabytes
Bits to Zebibytes 
Bits to Yottabits
Bits to Yobibits
Bits to Yottabytes
Bits to Yobibytes
Nibbles to Bits 
Nibbles to Bytes 
Nibbles to Kilobits 
Nibbles to Kibibits
Nibbles to Kilobytes 
Nibbles to Kibibytes
Nibbles to Megabits
Nibbles to Mebibits 
Nibbles to Megabytes
Nibbles to Mebibytes 

Web Calculators

Pixel Converter
Color Converter
Ratio Padding Calc
AdSense Calculator
Bandwidth Calculator
PayPal Fee Calculator
Memory Storage
Byte Converter

Color Calculators

Hex to Hexadecimal
Hex to RGB
Hex to RGBA 
Hex to HSL
Hex to HSLA
Hexa to Hex 
Hexa to RGB
Hexa to RGBA 
Hexa to HSV 
Hexa to HSL
Hexa to HSLA 
Time Converter
RGB to HSV
RGB to HSL 
RGB to HSLA
RGB to Hex 
RGB to RGBA
RGBA to Hex
RGBA to Hexa
RGBA to RGB
RGBA to HSV
RGBA to HSL
RGBA to HSLA
HSV to Hex
HSV to HEXA
HSV to RGB
HSV to RGBA
HSV To HSL

Date & Time Calculators

Date to Date
Date to Timestamp
Timestamp to Date
Time Converter
Date Calculator
Time Duration Calc
Day of the Week
Time Card Calculator
Minutes to Seconds
Seconds to Minutes
Minutes to Hours
Hours to Minutes

Security Calculators

API Key Generator
B-64 Encode/Decode
MP3 to Base64
Caesar Cypher Encrypt
CRC-16/CRC-32 Hash
MD5 Hash
Password Generator
ROT 1-25 Hash
ROT-13 Encode
URL Encode/Decode
UUID v4 Generator
SHA Hash Generator

Miscellaneous Calculators

Love Calculator
IP V-4 Subnet Calc
IPv6 Subnet Calc
Unit Converter
Data Converter
Time Converter
Temperature Converter
Math Converter

Latest Calculators

Love Compatibility
Travel Cost Estimator
Wedding Budget Planner
Pet Age Calculator
Moon Phase Calendar
Savings Goal Calculator
Poker Odds Calculator
Wind Chill Calculator
Paint Coverage Calculator
Postage Rate Calculator
Dew Point Calculator
Website Value Estimator
Shoe Size Converter
Fuel Efficiency Calculator
Dice Roll Calculator
Coffee Water Calculator
Sleep Debt Calculator
Gas Mileage Calculator
Horsepower to Watts
Days Retirement Calc
Child Height Predictor
Tipping Etiquette Calc
Soil Volume Calculator
Room Temp Converter
Fertility Calendar
Rent vs. Buy Calculator
Solar Panel Calculator
Freelancer Calculator