All Calculators

Mortgage Calculator

Calculate monthly mortgage payments, total interest, and amortization schedule

BMI Calculator

Calculate your Body Mass Index (BMI) to assess your weight category and health status

Concrete Calculator

Estimate concrete needed for slabs, footings, and projects

GPA Calculator

Calculate your Grade Point Average for academic planning

Percentage Calculator

Calculate percentages, increases, decreases, and ratios

Age Calculator

Calculate exact age in years, months, and days

Basic Calculator

Simple calculator for everyday arithmetic operations

Square Root Calculator

Calculate square roots and squares of numbers

Factorial Calculator

Calculate factorials for any positive integer

Ratio Calculator

Simplify ratios and convert to decimals and percentages

Scientific Calculator

Advanced calculator with trigonometric and scientific functions

Exponent Calculator

Calculate exponential functions (e^x, 10^x, 2^x)

Power Calculator

Calculate powers and exponents (x^y)

Logarithm Calculator

Calculate natural, base-10, and custom base logarithms

Fraction Calculator

Add, subtract, multiply, and divide fractions

LCM & HCF Calculator

Calculate Least Common Multiple and Highest Common Factor

Simple Interest Calculator

Calculate simple interest on loans and investments

Compound Interest Calculator

Calculate compound interest with different compounding frequencies

EMI Calculator

Calculate Equated Monthly Installment for loans

Loan Calculator

Calculate loan payments with down payment and interest

GST Calculator

Calculate Goods and Services Tax

Discount Calculator

Calculate sale prices and savings

Profit Margin Calculator

Calculate profit margin and markup percentage

ROI Calculator

Calculate Return on Investment

Savings Calculator

Calculate future savings with deposits and compound interest

Inflation Calculator

Calculate purchasing power loss due to inflation

Tax Calculator

Calculate income tax and net income after deductions

Salary to Hourly Calculator

Convert between annual salary and hourly rate

Currency Converter

Convert between major world currencies

Budget Calculator

Track monthly income and expenses

CGPA Calculator

Calculate Cumulative Grade Point Average across semesters

Grade Calculator

Convert percentage marks to letter grades and GPA

Attendance Calculator

Calculate class attendance percentage

Average Calculator

Calculate average, sum, and median of numbers

Final Grade Calculator

Calculate weighted final grade from course components

Exam Weight Calculator

Calculate exam score needed for target grade

Percentage to GPA Calculator

Convert percentage to GPA scale

Test Score Calculator

Calculate test score percentage and grade

Class Grade Calculator

Calculate overall class grade from assignments and exams

BMR Calculator

Calculate your Basal Metabolic Rate (BMR) - the number of calories your body burns at rest

Ideal Weight Calculator

Calculate your ideal body weight using the Devine formula based on your height and gender

Calorie Calculator

Calculate your daily calorie needs based on your activity level to maintain, lose, or gain weight

Body Fat Calculator

Estimate your body fat percentage using the US Navy method based on circumference measurements

Pregnancy Calculator

Track your pregnancy progress and calculate how many weeks pregnant you are

Due Date Calculator

Calculate your pregnancy due date and important milestones based on your last menstrual period

Heart Rate Calculator

Calculate your maximum heart rate and target heart rate zones for different exercise intensities

Water Intake Calculator

Calculate your daily recommended water intake based on your weight and activity level

Blood Pressure Calculator

Check your blood pressure category and understand if your readings are in a healthy range

Ohm's Law Calculator

Calculate voltage, current, or resistance using Ohm's Law (V = I × R)

Electrical Power Calculator

Calculate electrical power using voltage, current, and resistance with multiple formulas

Force Calculator

Calculate force using Newton's Second Law of Motion (F = m × a)

Pressure Calculator

Calculate pressure from force and area using the pressure formula (P = F / A)

Energy Calculator

Calculate kinetic energy (KE = ½mv²) or potential energy (PE = mgh) with this physics calculator

Velocity Calculator

Calculate average velocity or final velocity using distance, time, and acceleration

Acceleration Calculator

Calculate acceleration from change in velocity and time (a = Δv / t)

Torque Calculator

Calculate torque using force, lever arm distance, and angle of application

Voltage Drop Calculator

Calculate voltage drop in electrical cables based on current, length, and wire size

Molar Mass Calculator

Calculate the molar mass of chemical compounds from their molecular formula

Dilution Calculator

Calculate dilution values using the C1V1 = C2V2 formula for solution preparation

Concentration Calculator

Calculate solution concentration as molarity (M) or mass/volume percentage

pH Calculator

Calculate pH from hydrogen ion concentration or concentration from pH value

Ideal Gas Law Calculator

Calculate pressure, volume, moles, or temperature using the Ideal Gas Law (PV = nRT)

Stoichiometry Calculator

Calculate moles and mass of products/reactants in chemical reactions using stoichiometric ratios

Solution Percentage Calculator

Calculate solution concentration as mass/mass, mass/volume, or volume/volume percentage

Mean Calculator

Calculate the arithmetic mean (average) of a set of numbers

Median Calculator

Calculate the median (middle value) of a dataset

Mode Calculator

Find the most frequently occurring value(s) in a dataset

Standard Deviation Calculator

Calculate standard deviation and variance for a dataset

Variance Calculator

Calculate variance (average squared deviation from the mean)

Z-Score Calculator

Calculate z-score to measure how many standard deviations a value is from the mean

Correlation Calculator

Calculate Pearson correlation coefficient to measure linear relationship between variables

Percentile Calculator

Find the value at a given percentile in a dataset

Range & Quartile Calculator

Calculate range, quartiles (Q1, Q2, Q3), and interquartile range (IQR)

Area Calculator

Calculate the area of geometric shapes including circle, rectangle, triangle, and square

Volume Calculator

Calculate the volume of 3D shapes including cube, sphere, cylinder, cone, and rectangular prism

Perimeter Calculator

Calculate the perimeter or circumference of geometric shapes

Surface Area Calculator

Calculate the surface area of 3D shapes

Trigonometry Calculator

Calculate sine, cosine, tangent and convert between degrees and radians

Distance Calculator

Calculate the distance between two points in a coordinate plane

Coordinate Calculator

Calculate midpoint, slope, and distance between two coordinate points

Pythagorean Theorem Calculator

Calculate missing sides of a right triangle using the Pythagorean theorem

Length Converter

Convert between different units of length including meters, kilometers, miles, feet, and more

Weight Converter

Convert between different units of weight including kilograms, pounds, ounces, and more

Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin temperature scales

Area Converter

Convert between different units of area including square meters, acres, hectares, and more

Volume Converter

Convert between different units of volume including liters, gallons, cups, and more

Speed Converter

Convert between different units of speed including km/h, mph, m/s, and knots

Time Converter

Convert between different units of time including seconds, minutes, hours, days, and years

Pressure Converter

Convert between different units of pressure including pascal, bar, PSI, and atmospheres

Energy Converter

Convert between different units of energy including joules, calories, kWh, and BTU

Concrete Calculator

Calculate concrete volume and estimate bags needed for your project

Brick Calculator

Calculate the number of bricks and mortar needed for your wall project

Tile Calculator

Calculate the number of tiles needed for your flooring or wall project

Paint Calculator

Calculate the amount of paint needed for your walls

Flooring Calculator

Calculate the amount of flooring material needed for your room

Roof Calculator

Calculate roofing materials needed including shingles and underlayment

Beam Load Calculator

Calculate beam load and get recommended beam size for your construction project

Rebar Calculator

Calculate the amount of rebar needed for concrete slab reinforcement

Plastering Calculator

Calculate the amount of plaster needed for your wall project

Wood Volume Calculator

Calculate the volume of wood planks, logs, or boards

Board Feet Calculator

Calculate board feet for lumber and wood purchases

Lumber Cost Calculator

Calculate the total cost of lumber based on board feet

Plywood Calculator

Calculate plywood sheets needed for your project

Wood Weight Calculator

Calculate the weight of wood based on type and volume

Furniture Dimension Calculator

Get standard furniture dimensions and proportions

Cabinet Material Calculator

Calculate materials needed for cabinet construction

Cutting Optimization Calculator

Optimize wood cutting to minimize waste

Metal Weight Calculator

Calculate metal weight based on dimensions and material type

Pipe Weight Calculator

Calculate pipe and tube weight based on diameter and material

Welding Cost Calculator

Estimate welding project costs including labor and consumables

Metal Density Calculator

Calculate or lookup metal density conversions

Sheet Metal Gauge Calculator

Convert between sheet metal gauge and thickness

Wire Weight Calculator

Calculate wire and rod weight based on diameter and length

Metal Fabrication Cost Estimator

Estimate total metal fabrication project costs

Paper Size Calculator

Get dimensions for standard paper sizes (A-series, Letter, Legal)

DPI to Pixel Calculator

Convert between DPI, pixels, and physical print dimensions

Print Cost Calculator

Estimate total printing costs for your project

Ink Usage Calculator

Calculate ink cartridge needs and costs based on page coverage

Bleed & Margin Calculator

Calculate bleed and safe margin areas for print design

Banner Size Calculator

Calculate banner dimensions and pixel requirements

Page Layout Calculator

Calculate page layout for booklets and multi-page documents

Sand Calculator

Calculate sand volume and weight needed for construction

Window & Door Frame Calculator

Calculate frame materials needed for windows and doors

Gold Price Calculator

Calculate gold value based on weight, purity, and current rate

Gold Purity Converter

Convert between karat and percentage purity

Silver Price Calculator

Calculate silver value by weight and purity

Platinum Price Calculator

Calculate platinum value by weight and purity

Diamond Carat Converter

Convert between diamond carat weight and grams

Jewelry Cost Calculator

Calculate total jewelry making cost including metal and stones

Scrap Gold Value Calculator

Calculate scrap gold value with deduction percentage

Diamond Price Calculator

Calculate diamond price based on carat weight and price per carat

Gemstone Weight Calculator

Calculate gemstone weight from dimensions and type

Gemstone Price Calculator

Calculate gemstone price with quality grade adjustments

Gem Clarity Grade Calculator

Calculate value adjustment based on gem clarity grade

Stone Volume Calculator

Calculate gemstone volume from shape and dimensions

Fabric Roll Length Calculator

Calculate fabric roll length from weight and GSM

GSM Calculator

Calculate fabric GSM (grams per square meter)

Fabric Cost Calculator

Calculate total fabric cost including wastage

Pattern Layout Calculator

Calculate fabric needed for pattern cutting

Textile Shrinkage Calculator

Calculate fabric shrinkage percentage and pre-shrunk length

Ink Coverage Calculator

Calculate printing ink requirements for fabric

Ore Grade Calculator

Calculate ore grade percentage from sample analysis

Metal Recovery Rate Calculator

Calculate mining metal recovery efficiency

Mineral Weight Calculator

Calculate mineral weight from volume and type

Smelting Yield Calculator

Calculate expected metal yield from smelting process

Rock Density Calculator

Calculate rock density or lookup standard values

Construction Cost Calculator

Estimate total construction cost based on area and material rate

Land Area Converter

Convert between Marla, Kanal, Acre, Square Feet, and other land area units

Property Loan EMI Calculator

Calculate monthly EMI and total interest for property loans

Rent vs Buy Calculator

Compare the total cost of renting versus buying a property

Property Tax Calculator

Calculate annual and monthly property tax based on property value and tax rate

Fuel Consumption Calculator

Calculate fuel efficiency and consumption rate for vehicles

Energy Conversion Calculator

Convert between kWh, Joules, Calories, BTU, and other energy units

Gas Flow Rate Calculator

Calculate gas flow rate through pipes based on pressure and pipe dimensions

LPG Cost Calculator

Calculate LPG refill costs and monthly/yearly gas expenses

Heat Loss Calculator

Calculate heat loss per hour through walls and insulation

Engine Efficiency Calculator

Calculate engine efficiency percentage from power output and energy input

Crop Yield Calculator

Calculate crop yield per acre or hectare from total harvest

Seed Rate Calculator

Calculate total seed requirement per hectare or acre

Fertilizer Calculator

Calculate fertilizer quantity needed for NPK nutrients

Irrigation Flow Calculator

Calculate water flow rate needed for field irrigation

Livestock Feed Calculator

Calculate daily and total feed requirements for livestock

Greenhouse Calculator

Calculate greenhouse area, volume, heating/cooling needs, and plant capacity

Water Flow Calculator

Calculate water flow rate and volume from pipe diameter and velocity

Carbon Footprint Calculator

Calculate your monthly carbon emissions from electricity, gas, transportation, and flights

Water Usage Calculator

Calculate daily household water consumption and estimated costs

Solar Output Calculator

Calculate solar panel energy output, savings, and carbon offset

Energy Savings Calculator

Calculate energy and cost savings from efficient appliances and lighting

Tree Offset Calculator

Calculate how many trees needed to offset your carbon emissions

Product Margin Calculator

Calculate profit margin and markup percentage for retail products

Wholesale Price Calculator

Calculate wholesale price from retail price and desired margin

Markup Calculator

Calculate retail price based on cost and markup percentage

Retail Discount Calculator

Calculate retail price after discount percentage and savings amount

Break-even Point Calculator

Calculate units and revenue needed to break even in business

Sales Tax Calculator

Calculate sales tax amount and total price with tax included

Box Volume Calculator

Calculate shipping box volume and dimensions for packaging

Package Weight Calculator

Calculate total package weight including packaging materials

Shipping Cost Calculator

Estimate shipping costs based on weight, distance, and service level

Pallet Load Calculator

Calculate maximum boxes per pallet and optimal stacking pattern

Carton Size Calculator

Calculate optimal carton dimensions for product packaging

Material Cost Calculator

Calculate packaging material costs per unit and total cost

Word Counter

Count words, characters, sentences, paragraphs, and reading time

Character Counter

Count characters, letters, numbers, spaces, and lines in real-time

Keyword Density Calculator

Calculate keyword density percentage for SEO optimization

Case Converter

Convert text between uppercase, lowercase, title case, camelCase, and more

Text Reverser

Reverse text character by character or word by word

Lorem Ipsum Generator

Generate Lorem Ipsum placeholder text for design mockups

Base64 Encoder/Decoder

Encode and decode text to/from Base64 format

Love Calculator

Calculate love compatibility percentage between two names for fun

Tip Calculator

Calculate tip amount and split bill among multiple people

Time Zone Converter

Convert time between different time zones around the world

Date Calculator

Calculate difference between two dates in days, weeks, months, years

Random Number Generator

Generate random numbers within a specified range

Password Strength Checker

Check password strength and get security recommendations

Fuel Economy Calculator

Convert fuel economy between km/L, MPG, and L/100km

Engine Displacement Calculator

Calculate engine displacement from bore and stroke

Gear Ratio Calculator

Calculate gear ratios and speed output for vehicles

Torque to Horsepower Converter

Convert between torque and horsepower for engines

Vehicle Depreciation Calculator

Estimate vehicle depreciation over time

Tire Size Converter

Convert and compare tire sizes and dimensions

Trip Cost Calculator

Calculate total trip costs including fuel, tolls, and expenses

Car Loan Calculator

Calculate monthly car loan payments and total interest

CO2 Emission Calculator

Estimate vehicle CO2 emissions based on fuel consumption

Orbital Period Calculator

Calculate orbital period using Kepler's Third Law

Planetary Distance Converter

Convert astronomical distances between AU, light-years, and km

Solar Elevation Calculator

Calculate solar elevation angle for any location and time

Moon Phase Calculator

Determine moon phase for any given date

Sidereal Time Calculator

Convert between sidereal and solar time

Star Luminosity Calculator

Estimate star luminosity from magnitude and distance

Light-Year to Kilometer Converter

Convert distances between light-years and kilometers

Recipe Scaler

Scale recipe ingredients for different serving sizes

Ingredient Converter

Convert cooking ingredients between grams and cups

Baking Time Adjuster

Adjust baking time for different pan sizes and temperatures

Oven Temperature Converter

Convert between Celsius, Fahrenheit, and Gas Mark

Portion Size Planner

Plan portion sizes for events and gatherings

Recipe Calorie Calculator

Calculate total calories in a recipe

XP Level Calculator

Estimate experience points needed to reach next level

Win Chance Simulator

Calculate win probability in competitive games

Loot Drop Probability

Calculate probability of getting rare loot drops

DPS Calculator

Calculate damage per second for gaming

RNG Simulator

Simulate random number generation for games

Score Average Calculator

Calculate gaming score averages and statistics

BPM to Time Converter

Convert beats per minute to time intervals

Note Frequency Calculator

Find frequency of musical notes

Key Transposer

Transpose musical keys and chords

Chord Frequency Builder

Calculate frequencies for chord construction

Sound Wave Length Calculator

Calculate wavelength from frequency and speed of sound

Daily Calorie Requirement

Calculate daily calorie needs based on activity level

Macro Ratio Planner

Plan protein, carbs, and fat ratios for diet

Protein Intake Calculator

Calculate protein needs based on body weight and goals

Water Intake Estimator

Estimate daily water intake requirements

Calorie Deficit Calculator

Calculate calorie deficit for weight loss goals

Meal Budget Planner

Plan meal budgets and grocery costs

Carb Fat Balance Calculator

Balance carbohydrate and fat intake for optimal nutrition

BMI for Athletes

Calculate BMI adjusted for athletic muscle mass

Depth of Field Calculator

Calculate depth of field for photography

Exposure Triangle Calculator

Balance aperture, shutter speed, and ISO

Field of View Calculator

Calculate camera field of view from focal length

Print DPI Calculator

Calculate DPI and pixel size for printing

Lens Equivalence Calculator

Calculate crop factor and lens equivalence

Exposure Compensation Calculator

Calculate exposure compensation and EV values

Due Date Estimator

Estimate pregnancy due date from last menstrual period

Ovulation Window Calculator

Calculate fertile window and ovulation date

Gestation Week Counter

Count weeks and days of pregnancy

Conception Planner

Plan conception timing for desired due date

Paper Size Converter

Convert between A-series, B-series paper sizes

DPI to Pixel Calculator

Convert between DPI and pixel dimensions

Print Cost Estimator

Estimate printing costs for projects

Bleed and Safe Area Calculator

Calculate bleed and safe areas for print design

Banner Aspect Ratio Calculator

Calculate aspect ratios for banner design

CMYK to RGB Converter

Convert colors between CMYK and RGB

Odds to Probability Converter

Convert between odds and probability

Permutations Calculator

Calculate permutations for arrangements

Combinations Calculator

Calculate combinations for selections

Expected Value Calculator

Calculate expected value in probability

Normal Distribution Calculator

Calculate Z-scores and normal distribution probabilities

Random Event Simulator

Simulate random events and outcomes

At Least X Successes Calculator

Calculate probability of at least X successes

Pension Growth Calculator

Project pension growth over time

Inflation Adjusted Income

Calculate inflation-adjusted retirement income

Compound Savings Calculator

Calculate compound savings with visualization

Safe Withdrawal Rate

Calculate safe retirement withdrawal rate

Required Retirement Corpus

Calculate retirement corpus needed for goals

Retirement Age Planner

Plan retirement age based on savings and expenses

Running Pace Calculator

Calculate running pace from distance and time

VO2 Max Calculator

Estimate VO2 max from fitness test results

Heart Zone Calculator

Calculate heart rate training zones

Swim Lap Timer

Calculate swim pace and lap times

Cycling Speed Calculator

Calculate cycling speed and power output

Step Counter Distance

Convert steps to distance based on stride length

Sports Calorie Burn

Calculate calories burned during sports activities

Income Tax Slab Calculator

Compare income tax across different slabs

VAT GST Calculator

Calculate VAT/GST inclusive and exclusive prices

Sales Tax Calculator

Calculate sales tax for purchases

Withholding Tax Calculator

Estimate withholding tax on income

Annualized Tax Rate

Calculate annualized effective tax rate

Tax Savings Calculator

Project tax savings from deductions

Age Calculator Pro

Calculate exact age with detailed breakdown

Date Difference Calculator

Calculate difference between two dates

Countdown Timer Calculator

Count down to a specific date and time

Workdays Calculator

Calculate workdays between dates excluding weekends

Time Zone Converter Pro

Convert time between multiple time zones

World Clock Offset

Calculate time offsets for world clocks

Calendar Days Calculator

Calculate days in month and year

Distance Between Cities

Calculate distance between any two cities

Travel Time Estimator

Estimate travel time based on distance and speed

Fuel Cost Trip Calculator

Calculate fuel costs for road trips

Toll Cost Estimator

Estimate toll costs for routes

Travel Currency Budget

Plan travel budget with currency conversion

Carbon Footprint Trip

Calculate carbon footprint for trips

Hotel Budget Estimator

Estimate hotel costs for travel planning

Board Foot Calculator

Calculate lumber in board feet

Plywood Sheet Calculator

Calculate plywood sheet area and quantity

Saw Kerf Loss Calculator

Calculate material loss from saw kerf

Paint Coverage Calculator

Calculate paint or varnish coverage for wood

Material Cost Estimator

Estimate woodworking material costs for projects