All Calculators

EMI Calculator

Calculate Equated Monthly Installment for home, car, or personal loans with full schedule.

Basic Calculator

Perform simple arithmetic calculations with ease.

SIP Calculator

Systematic Investment Plan — estimate mutual fund SIP returns with year-by-year growth.

GST Calculator

Add or remove GST for all Indian tax slabs (5%, 12%, 18%, 28%) with CGST/SGST split.

BMI Calculator

Calculate your Body Mass Index and track your health.

YouTube Earnings Calculator

Estimate YouTube ad revenue, sponsorships, and memberships from views and CPM.

Percentage Calculator

Calculate percentages, increases, decreases, and more.

Days Alive Calculator

Discover your total days, heartbeats, breaths, and upcoming milestone days.

Unit Converter

Convert between length, weight, temperature, volume, and more.

Loan Calculator

Calculate loan payments, interest, and amortization schedules.

Fixed Deposit Calculator

Calculate FD maturity amount and interest with quarterly, monthly, or simple compounding.

Meeting Cost Calculator

Calculate how much a meeting costs based on attendees and salary — with a live timer.

Calorie Calculator

Calculate your daily calorie needs based on age, weight, and activity.

Rent vs. Buy Calculator

Compare the true long-term cost of renting versus buying a home.

Mortgage Calculator

Calculate monthly mortgage payments, total cost, and amortization.

Tip Calculator

Calculate tips and split bills among friends easily.

Home Affordability Calculator

Find the maximum home price you can afford based on income and debt.

Pregnancy Due Date Calculator

Calculate your estimated due date and pregnancy milestones.

Engagement Rate Calculator

Calculate social media engagement rate for Instagram, TikTok, YouTube, and Twitter.

Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin instantly.

Love Calculator

Calculate love compatibility between two names — just for fun!

Salary Calculator

Convert salary between hourly, daily, weekly, monthly, and annual pay.

Discount Calculator

Find sale price, discount percentage, or original price.

Carbon Footprint Calculator

Estimate your annual CO₂ emissions from driving, flights, energy, and diet.

Compound Interest Calculator

See how your investments grow with compound interest over time.

Income Tax Calculator

Estimate 2024 US federal income tax with bracket breakdown.

CAGR Calculator

Compound Annual Growth Rate — find CAGR, future value, present value, or time to goal.

Scientific Calculator

Advanced calculator with trigonometry, logarithms, and constants.

Body Fat Calculator

Estimate body fat percentage using the Navy body fat formula.

Auto Loan Calculator

Car loan calculator with trade-in, down payment, and tax.

Currency Converter

Convert between 25 major currencies with mid-2024 rates.

Password Generator

Generate strong cryptographically random passwords.

Freelancer Rate Calculator

Calculate your minimum hourly rate to hit income goals after taxes and expenses.

Length Converter

Convert between meters, feet, inches, miles, kilometers, and more.

Sleep Calculator

Find best sleep/wake times based on 90-minute sleep cycles.

Random Number Generator

Generate random numbers, integers, or sequences within any range.

Sales Tax Calculator

Add or remove sales tax with all 50 US state rates.

Time Zone Converter

Convert date and time across 25 major world time zones.

FIRE Calculator

Financial Independence, Retire Early — find your FIRE number and retirement timeline.

Ideal Weight Calculator

Find your ideal body weight range based on height and gender.

Age Calculator

Calculate exact age in years, months, and days.

Paycheck Calculator

Estimate net take-home pay after federal, state taxes, and deductions.

Weight Converter

Convert between kg, lbs, oz, stone, tons, and more.

GPA Calculator

Calculate weighted GPA from letter grades and credit hours.

Area Calculator

Calculate areas of circles, rectangles, triangles, and more.

Amortization Calculator

Full loan amortization schedule with optional extra payments.

Algebra Calculator

Solve linear equations ax+b=c or 2×2 systems of equations.

Blood Pressure Calculator

Classify blood pressure using AHA 2017 guidelines.

Work From Home Savings

Calculate money and time saved by working from home vs commuting to office.

Statistics Calculator

Calculate mean, median, mode, standard deviation, and variance.

Tip Splitter

Split the bill and tip evenly or by custom amounts per person.

Simple Interest Calculator

Calculate simple interest on a principal amount.

Credit Card Payoff Calculator

See how long to pay off credit card debt and interest saved.

Quadratic Equation Solver

Solve ax²+bx+c=0, find roots, discriminant, and vertex.

Ovulation Calculator

Find fertile window and estimated ovulation date.

Grade Calculator

Calculate weighted average or what you need on your final exam.

Fraction Calculator

Add, subtract, multiply, and divide fractions with step-by-step results.

Payment Calculator

Find monthly payment, loan amount, term, or interest rate.

BMR Calculator

Basal Metabolic Rate — calories burned at rest (Mifflin-St Jeor).

Cooking Converter

Convert cups, tablespoons, ounces, grams, and temperatures.

Volume Calculator

Calculate volumes of spheres, cylinders, cones, and other 3D shapes.

Speed Converter

Convert between mph, km/h, m/s, knots, and more.

Right Triangle Calculator

Solve right triangles using Pythagorean theorem and trigonometry.

Calories Burned Calculator

Estimate calories burned for 30+ activities using MET values.

Period Calculator

Predict upcoming periods and ovulation dates.

Dog Age Calculator

Convert your dog's age to human years (size-adjusted).

Hours Calculator

Calculate work hours, total time, and pay per period.

Percentage Change Calculator

Calculate percentage increase, decrease, or difference between values.

Average Calculator

Calculate mean, median, mode, and range of any set of numbers.

Retirement Calculator

Project 401k/IRA savings growth to retirement with year-by-year table.

Triangle Calculator

Solve any triangle — sides, angles, area using law of sines/cosines.

TDEE Calculator

Total Daily Energy Expenditure with macro breakdown.

Subnet Calculator

Calculate network address, broadcast, host range, and mask from CIDR notation.

ROI Calculator

Calculate Return on Investment and annualized ROI for any investment.

Date Difference Calculator

Calculate the exact duration between two dates.

Investment Calculator

Future value of lump sum plus recurring monthly investments.

Factor Calculator

Find all factors and prime factorization of any integer.

Volume Converter

Convert between liters, gallons, cups, cubic meters, and more.

Ohm's Law Calculator

Calculate voltage, current, resistance, and power (V=IR).

Savings Goal Calculator

Plan how much to save monthly to reach your financial goal.

Slope Calculator

Find slope, midpoint, distance, angle, and line equation.

Roman Numeral Converter

Convert between Arabic numbers and Roman numerals (1–3999).

Interest Rate Calculator

Find the interest rate given loan amount, payment, and term.

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal.

Macro Calculator

Calculate protein, fat, and carb targets from calorie goal.

Exponent Calculator

Calculate powers, roots, and exponential expressions.

Circle Calculator

Find radius, diameter, circumference, and area of a circle.

Data Storage Converter

Convert between bits, bytes, KB, MB, GB, TB, and more.

Down Payment Calculator

Plan your home down payment savings goal and timeline.

Time Calculator

Add, subtract, and convert hours, minutes, and seconds.

Net Worth Calculator

Calculate total net worth from assets and liabilities.

Distance Calculator

Distance between two points in 2D or 3D space.

Pace Calculator

Running pace, speed, time, and split calculator.

Concrete Calculator

Calculate concrete volume for slabs, columns, and footings.

Probability Calculator

Calculate basic probability, combinations, and permutations.

Binary Calculator

Arithmetic and bitwise operations in binary, octal, decimal, or hex.

Molar Mass Calculator

Calculate molar mass of any chemical formula with element breakdown.

Inflation Calculator

Calculate real purchasing power and CPI inflation over time.

Matrix Calculator

Add, subtract, multiply matrices; find determinant and transpose.

Water Intake Calculator

Daily water recommendation based on weight, activity, and climate.

Area Converter

Convert between square meters, acres, hectares, and more.

Density Calculator

Calculate density, mass, or volume using ρ = m/V.

Force Calculator

Newton's Second Law: find force, mass, or acceleration (F=ma).

GCD & LCM Calculator

Find the Greatest Common Divisor and Least Common Multiple.

Loan Comparison Calculator

Compare up to 3 loan options side-by-side.

Logarithm Calculator

Calculate log in any base — log₁₀, ln, log₂, or custom.

BAC Calculator

Estimate Blood Alcohol Content using the Widmark formula.

Fuel Efficiency Converter

Convert between MPG, L/100km, and km/L.

Annuity Calculator

Present/future value of ordinary annuity or annuity due.

Kinetic Energy Calculator

Calculate kinetic energy, mass, or velocity (KE = ½mv²).

Rounding Calculator

Round numbers to any decimal place or significant figures.

Sequence Calculator

Arithmetic and geometric sequences — terms, sum, nth term.

Pressure Converter

Convert between Pa, bar, PSI, atm, torr, and more.

Half-Life Calculator

Radioactive decay — find remaining quantity, time, or half-life.

Energy Converter

Convert between joules, calories, kWh, BTU, and more.

Angle Converter

Convert between degrees, radians, gradians, arcminutes.

Wavelength Calculator

Calculate wavelength, frequency, and wave speed (λ = c/f).

Power Converter

Convert between watts, kilowatts, horsepower, BTU/hr.

Gravitational Force Calculator

Newton's Law of Gravitation: F = Gm₁m₂/r².