Free Online Calculators & Tools
200+ accurate, easy-to-use calculators for financial planning, health tracking, math, education, AI personal care and more — built for users across the USA, India, UK, Canada and 10+ countries.
All 7 Calculator & Tool Categories
Choose a category to browse all related free calculators and tools.
Popular Financial Calculators for Loans, Tax & Investment Planning
Plan smarter with free finance tools — loans, EMI, income tax, mortgage, ROI and retirement planning.
Loan Calculator
Calculate monthly payments, total interest & full amortization for any loan.
Use Calculator →EMI Calculator
Find your exact EMI for home, car & personal loans instantly.
Use Calculator →Mortgage Calculator USA
Estimate monthly mortgage payments including taxes and insurance.
Use Calculator →Federal Income Tax (USA)
Estimate your US federal income tax liability for the current year.
Use Calculator →Income Tax Calculator India
New & old regime comparison for FY 2025-26 Indian income tax.
Use Calculator →UK Income Tax Calculator
Estimate UK tax & National Insurance contributions for 2025-26.
Use Calculator →Canada Income Tax 2025-26
Federal & provincial tax estimate for Canadian residents.
Use Calculator →Retirement Calculator
See how much you need to retire comfortably at your target age.
Use Calculator →ROI Calculator
Measure return on investment & compare investment performance.
Use Calculator →Business Profit Calculator
Calculate gross profit, net margin & markup for your business.
Use Calculator →Free Health & Fitness Calculators for BMI, Calories & More
Track health metrics, plan your fitness journey and stay on top of your wellness goals.
BMI Calculator
Calculate Body Mass Index and understand your healthy weight range.
Use Calculator →BMR Calculator
Find your Basal Metabolic Rate — calories your body burns at rest.
Use Calculator →Calorie Calculator
Get your daily calorie target for weight loss, maintenance or muscle gain.
Use Calculator →Body Fat % Calculator
Estimate body fat percentage using simple body measurements.
Use Calculator →Sleep Calculator
Find the ideal bedtime or wake-up time based on your sleep cycles.
Use Calculator →Pregnancy Calculator
Calculate your due date, week-by-week milestones and trimester dates.
Use Calculator →Calories Burned Calculator
Discover calories burned during workouts and physical activities.
Use Calculator →Free Financial Calculators by Country — Tax, Loan & More
Tax rules and financial systems vary by country. Pick your country for locally accurate results.
USA Financial Calculators
Federal tax, mortgage, retirement
India Financial Calculators
Income tax, EMI, investment tools
UK Tax Calculator
Income tax + National Insurance
Canada Tax Calculator
Federal + provincial 2025-26
AI Personal Care Tools — Face Shape, Skin Tone & More
Discover your face shape, skin tone, ideal hairstyle and eyewear — all free, right in your browser using AI.
Math Calculators, Education Tools & Productivity Utilities
From scientific calculations and unit converters to CGPA converters, typing tests and image utilities.
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