111+ Free Online Calculators

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Mortgage Calculator

Calculate your monthly mortgage payment including principal, interest, p

Income Tax Calculator

Estimate your 2025 federal income tax and effective tax rate in seconds.

BMI Calculator

Free BMI calculator for adults.

SIP Calculator

Free SIP calculator for Indian mutual fund investors.

EMI Calculator

Free EMI calculator for India.

Compound Interest Calculator

Free compound interest calculator.

Calorie Calculator

Free calorie calculator.

Salary Calculator

Free salary take-home pay calculator for 2025.

GST Calculator India

Free India GST calculator.

Auto Loan Calculator

Free auto loan calculator for new and used cars.

Retirement Calculator

Free retirement calculator.

Percentage Calculator

Free percentage calculator with 5 modes: percent of a number, what perce

Self-Employment Tax Calculator

Free self-employment tax calculator for freelancers, 1099 contractors, a

Sales Tax Calculator

Calculate sales tax for any US state · 2025 state rates for all 50 state

Land Loan Calculator

Free land loan calculator.

Word Counter

Count words, characters, sentences, and reading time in any text with ke

Window Replacement Cost Calculator

Free window replacement cost calculator.

Wedding Alcohol Calculator

Free wedding alcohol calculator.

Daily Water Intake Calculator

Find your personalized daily water intake in liters, ounces, and glasses

Waist to Hip Ratio Calculator

Free waist to hip ratio calculator using WHO health risk standards.

Vehicle Wrap Calculator

Free vehicle wrap cost calculator.

Unit Converter

Instantly convert between any units · length, weight, temperature, area,

Tree Removal Cost Calculator

Free tree removal cost calculator.

Tip Calculator

Free tip calculator.

Time Zone Converter

Convert time between any world time zones with DST accuracy · includes a

Tank Volume Calculator

Calculate water tank, aquarium, or storage container volume instantly.

Stock Return Calculator

Calculate stock CAGR, total return, and dividend-reinvested value for an

Student Loan Payoff Calculator

Find your student loan payoff date and total interest · compare repaymen

Steel Weight Calculator

Calculate steel, iron, and metal weight for round bars, flat plates/MS s

Sukanya Samriddhi Yojana (SSY) Calculator

Calculate your Sukanya Samriddhi Yojana maturity amount · annual/monthly

Square Footage Calculator

Calculate square footage for any room shape · rectangle, circle, triangl

Solar Panel ROI Calculator

Best solar panel calculator for India (PM Surya Ghar subsidy ₹78,000, st

Social Security Benefits Calculator

Estimate your Social Security retirement benefit at any claiming age fro

Sleep Cycle Calculator

Find the best times to wake up or fall asleep · based on 90-minute sleep

Simple Interest Calculator

Calculate simple interest and compare it with compound interest to see t

SGPA Calculator

Calculate SGPA from subject grades and credit hours on India's 10-point

Savings Goal Calculator

Find out how much to save monthly to reach any financial goal · vacation

Reverse Sales Tax Calculator

Find the original price before tax from a total amount.

Roth IRA Calculator

Project your Roth IRA balance at retirement with 2026 contribution limit

Resin Calculator

Calculate epoxy resin quantities for box, cylinder, hemisphere, and sphe

Rent vs Buy Calculator

Should you rent or buy? Find your break-even year and see which option s

Rent or Sell Calculator

Free rent or sell calculator.

Refinance Calculator

Free mortgage refinance calculator.

Reading Time Calculator

Estimate reading time for articles, books, and documents at different re

Productivity Calculator

Free productivity calculator.

PPF Calculator

Free PPF calculator for India.

Pregnancy Calculator

Free pregnancy due date calculator.

Petrol vs EV India Cost Calculator

Compare petrol car vs EV total cost of ownership in India · fuel costs,

Personal Loan Calculator

Free personal loan calculator.

Paycheck Calculator

Find your exact take-home pay after federal taxes, FICA, 401k, and benef

Ovulation Calculator & Fertility Window

Calculate your ovulation date and 6-day fertile window · enter your last

Overtime Calculator

Free overtime calculator.

Old vs New Tax Regime Calculator India 2025-26

Compare Old vs New Tax Regime for FY 2025-26.

NSC Calculator

Calculate your NSC maturity value, total interest, and year-wise accrual

NPS Calculator

Free NPS calculator India.

Net Worth Calculator

Find your true net worth by totaling all your assets and subtracting eve

Negative Marking Calculator

Instantly calculate your net exam score after negative marking.

Mutual Fund Calculator

Calculate returns on SIP and lump sum mutual fund investments with LTCG

Menu Pricing Calculator

Free restaurant menu pricing calculator.

Profit Margin Calculator

Calculate gross margin, net margin, markup, and selling price · essentia

Macro Calculator

Calculate your daily calorie needs (TDEE) and personalized macronutrient

Lottery Tax Calculator

See exactly how much you'd take home from a lottery jackpot after the lu

Loan Comparison Calculator

Compare up to 3 loans side by side · monthly payment, total interest, an

Linear Feet Calculator

Free linear feet calculator for flooring, fencing, baseboard, and lumber

Lease vs Buy Calculator

Find out whether leasing or buying a car makes more financial sense for

Lead Time Calculator

Calculate lead time for any project, order, or supply chain.

Job Offer Comparison Calculator

Compare two job offers on total compensation · salary, bonus, equity, be

Investment Calculator

Free investment return calculator.

Inflation Calculator

See how inflation affects the value of money over time and find the real

HSA Calculator

Calculate how much your HSA (Health Savings Account) saves in taxes each

Income Tax Calculator India (FY 2025-26)

Calculate your Indian income tax for FY 2025-26 under new and old regime

HRA Calculator India

Free HRA calculator for India.

House Flip Calculator

Free house flip profit calculator.

Home Equity Calculator

Find out how much equity you've built in your home and how much you can

Home Affordability Calculator

Free home affordability calculator.

HELOC Calculator

Calculate your maximum HELOC credit line, interest-only draw period paym

Gratuity Calculator India

Free gratuity calculator for India.

Fuel Cost Calculator

Free fuel cost calculator for USA and India.

Freelance Rate Calculator

Find your minimum viable freelance rate · set your income goal, realisti

GPA Calculator

Calculate semester and cumulative GPA instantly with any number of cours

FIRE Calculator

Calculate your FIRE (Financial Independence, Retire Early) number · the

FD vs Mutual Fund vs RD Calculator India

Compare FD, SIP mutual fund, and RD returns side-by-side · after-tax mat

FD Calculator

Free FD calculator for India.

EV vs Gas Car Total Cost Calculator

Compare EV vs gas car true cost of ownership over any time horizon · inc

ESOP Tax Calculator India

Calculate India ESOP tax in two stages · perquisite tax at exercise (sla

Electricity Bill Calculator

Calculate your monthly electricity cost by appliance, compare US and Ind

Early Car Payoff Calculator

Free early car payoff calculator.

DTI Calculator

Free DTI calculator.

DSCR Loan Calculator

Free DSCR loan calculator for real estate investors.

Debt Payoff Calculator

Add all your debts and compare the snowball vs avalanche payoff strategy

Date Difference Calculator

Free date difference calculator.

DA Calculator

Calculate dearness allowance for central government employees.

Currency Converter

Convert between 50+ world currencies instantly · includes USD, EUR, GBP,

CTC to In-Hand Salary Calculator India

Convert your CTC to actual monthly take-home salary with full salary sli

Crypto Profit/Loss Calculator

Free crypto profit and loss calculator.

Credit Card Payoff Calculator

Calculate your credit card payoff date, total interest, and how much you

Coffee Cost Calculator

Calculate your annual coffee spend and what it could be worth invested o

CGPA Calculator

Convert CGPA to percentage for CBSE, VTU, Anna University, KTU, and AKTU

CD Calculator

Find your CD maturity value, APY, and total interest for any term length

Carbon Footprint Calculator

Calculate your personal annual carbon footprint across 4 categories: tra

Capital Gains Tax Calculator

Free capital gains tax calculator for 2025.

Break-Even Calculator

Free break-even calculator for businesses.

Business Loan Calculator

Free business loan calculator.

Body Fat Calculator

Free body fat percentage calculator.

Blended Rate Calculator

Free blended rate calculator.

Bill Split Calculator

Split any bill between friends · add tip and tax, assign individual item

Audiobook Calculator

Free audiobook calculator.

Age Calculator

Free age calculator.

AI API Cost Calculator

Compare AI API costs across GPT-4o, Claude, Gemini, Mistral and more · f

Attendance Calculator

Calculate your class attendance percentage instantly.

401(k) Early Withdrawal Calculator

Find out the true cost of withdrawing from your 401(k) early.

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Free Online Calculators for Every Decision

Making smart financial, health, and lifestyle decisions starts with accurate numbers. Art of Article offers 111+ free online calculators covering everything from mortgage payments and income tax to BMI, retirement savings, and EMI planning, all in one place, with zero sign-up required.

Best Free Financial Calculators Online

Our financial calculators are built for real decisions: compare a 30-year vs 15-year mortgage, calculate how long to pay off a credit card, or see exactly how compound interest grows your savings over time. Every calculation is instant, private, and works offline once loaded. No data sent to any server.

Income Tax & GST Calculators for USA & India

Whether you're filing taxes in the United States or India, our tax calculators cover federal income tax brackets, capital gains, GST slabs, HRA exemptions, and more. Updated for 2025–2026 tax rules so you always get current, reliable estimates.

Health & Fitness Calculators

Track your body and wellness with our health calculators: BMI, body fat percentage, daily calorie needs, pregnancy due dates, and ovulation windows. All based on clinically recognized formulas with clear explanations of results.

Investment & Retirement Planning

Plan ahead with our investing calculators covering SIP, mutual funds, PPF, NPS, FD vs MF comparison, and retirement corpus estimation. Enter your numbers and instantly see how your money grows with the power of compounding.

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