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30 free online calculators for finance, health, AI costs, and business. No signup. Just results.

30 Calculators
5 Categories
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Explore 30 carefully crafted calculators across 5 categories

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Financial Calculators

10 tools
🏦 EMI Calculator Calculate monthly loan EMI for home, car, or personal loans Open Calculator → 📈 SIP Calculator Estimate returns on your monthly mutual fund SIP investments Open Calculator → 💰 FD Calculator Compute fixed deposit maturity amount and interest earned Open Calculator → 🐖 RD Calculator Find maturity value of your recurring deposit scheme Open Calculator → 📋 GST Calculator Add or remove GST from any amount instantly Open Calculator → 💱 Currency Converter Convert between major world currencies with live rates Open Calculator → 📊 Compound Interest Compare compound vs simple interest growth over time Open Calculator → 🧾 Tax Calculator Calculate income tax under old and new regime (India) Open Calculator → 💹 Profit Margin Calculate gross profit, net profit, and markup percentage Open Calculator → 🎯 ROI Calculator Measure your return on investment and annualized ROI Open Calculator →
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Health & Fitness Calculators

6 tools
⚖️ BMI Calculator Calculate body mass index and find your weight category Open Calculator → 🔥 BMR Calculator Find your basal metabolic rate and daily calorie needs Open Calculator → 🥗 Calorie Calculator Get personalized daily calorie recommendations Open Calculator → 💪 Body Fat Calculator Estimate body fat percentage using the US Navy method Open Calculator → 💧 Water Intake Calculate your optimal daily water intake based on weight Open Calculator → 🎽 Ideal Weight Find your ideal body weight using multiple proven formulas Open Calculator →
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Daily Utility Calculators

3 tools
🎂 Age Calculator Calculate exact age in years, months, and days from birthdate Open Calculator → % Percentage Calculator Calculate percentages, percent change, and what % a number is Open Calculator → 📆 Date Difference Find the exact difference between two dates in any unit Open Calculator →
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Fast, accurate, and beautifully designed calculators

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Works Everywhere

Fully responsive design. Use on phone, tablet, or desktop seamlessly.

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Learn as You Calculate

Every calculator includes formula explanations and tips.