Free Online Financial, Loan & Math Calculators

Precision financial and mathematical calculators for loan EMIs, investments (SIP/FD), tax calculations, and profit analysis.

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All Financial & Math Calculators

GST Calculator (Exclusive & Inclusive)

Calculate Goods and Services Tax (GST) for standard slabs (5%, 12%, 18%, 28%). Find base price, GST amount, CGST, SGST, and gross total instantly.

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Loan EMI Calculator

Calculate monthly Equated Monthly Installment (EMI) for home loans, car loans, and personal loans with total interest payable and amortization charts.

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Salary In-Hand & Take-Home Calculator

Calculate your monthly in-hand take-home salary from Gross CTC. Computes deductions for Employee PF, Gratuity, Professional Tax, and Income Tax TDS.

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Age & Date of Birth Calculator

Calculate exact age in years, months, weeks, days, hours, and minutes from Date of Birth. Includes countdown to your next upcoming birthday.

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Percentage Calculator (All-in-One)

Calculate percentages, percentage increase/decrease, what percentage of X is Y, and discounts with 1-click step-by-step mathematical explanations.

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SGPA & Multi-Semester CGPA Calculator

Calculate cumulative CGPA across multiple semesters by entering SGPA and credit hours per semester. Perfect for engineering, commerce, and science degrees.

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Loan Comparison & Amortization Calculator

Compare two loan offers side-by-side to find the lowest total interest, compare fixed vs floating rates, and view full monthly amortization schedules.

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SIP & Mutual Fund Wealth Calculator

Calculate future wealth growth and compounding returns on monthly Systematic Investment Plans (SIP) in mutual funds, index funds, and equity portfolios.

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Compound & Simple Interest Calculator

Calculate compound interest with annual, semi-annual, quarterly, monthly, or daily compounding. Compare returns against simple interest with growth charts.

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Income Tax Calculator (New vs Old Regime)

Calculate income tax liability for FY 2025-26 (AY 2026-27). Compare tax under the New Tax Regime vs Old Tax Regime with standard deduction and 87A rebate.

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Fixed Deposit (FD) & RD Calculator

Calculate maturity value and interest earnings on Bank Fixed Deposits (FD) and Recurring Deposits (RD) with quarterly compounding and senior citizen rates.

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BMI & Ideal Body Weight Calculator

Calculate your Body Mass Index (BMI), WHO weight category (Underweight, Normal, Overweight, Obese), and ideal body weight range based on height and gender.

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BMR & Daily Calorie (TDEE) Calculator

Calculate your Basal Metabolic Rate (BMR) using Mifflin-St Jeor formula and Total Daily Energy Expenditure (TDEE) for weight loss, maintenance, or muscle gain.

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Date Difference & Working Days Calculator

Calculate the exact duration between two dates in years, months, weeks, days, and working business days (excluding weekends and custom holidays).

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Profit Margin & Markup Calculator

Calculate gross profit margin, net profit margin, markup percentage, and revenue from cost and selling price. Ideal for retail, e-commerce, and businesses.

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Marketplace Seller Profit Calculator (Amazon & Flipkart)

Calculate real net profit on Amazon, Flipkart, and Meesho after referral fees, closing fees, shipping charges, GST, and product cost deductions.

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Freelancer Hourly & Monthly Rate Calculator

Calculate your ideal hourly billable rate and project fee from your desired annual income, billable hours, business overhead, and unpaid leave days.

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Break-Even Sales & Revenue Calculator

Calculate the exact unit sales and revenue required to cover all fixed and variable business costs. Free, instant, and private business analysis.

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Frequently Asked Questions

Are these loan and SIP calculation formulas standard?
Yes, they implement official compound interest, reducing-balance EMI, and investment annuity formulas matching major banking institutions.