111+ Free Online Calculators
Finance · Tax · Health · Investing · Math · Lifestyle. Instant results, no sign-up.
All Free Calculators
Loading…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.
Self-Employment Tax Calculator
Free self-employment tax calculator for freelancers, 1099 contractors, a
Salary Calculator
Free salary take-home pay calculator for 2025.
GST Calculator India
Free India GST calculator.
Sales Tax Calculator
Calculate sales tax for any US state · 2025 state rates for all 50 state
Auto Loan Calculator
Free auto loan calculator for new and used cars.
Land Loan Calculator
Calculate raw land, lot, and agricultural loan payments with down paymen
Retirement Calculator
Free retirement calculator.
Percentage Calculator
Free percentage calculator with 5 modes: percent of a number, what perce
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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111+ free tools · no sign-up, no ads blocking results, instant calculations
Browse all calculators →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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