Free Calculators Online
Calculate GST, loan EMI, SIP wealth, age, BMI, percentages, discounts, CGPA/SGPA, and fuel costs instantly. Most tools run in your browser; a few AI tools send the image to a third-party service.
GST Calculator
Calculate Goods & Services Tax (GST) inclusive and exclusive amounts with CGST & SGST breakdown.
EMI & Loan Calculator
Calculate home, car, and personal loan monthly EMIs with interest breakdown & visual charts.
Age Calculator & Birthday Countdown
Calculate exact chronological age in years, months, days, hours, and next birthday countdown.
BMI & Body Mass Index Calculator
Calculate Body Mass Index (BMI), health category, and ideal healthy weight range.
Percentage Calculator
Calculate percentage of a number, percentage differences, and percentage increases/decreases.
Discount & Sales Tax Calculator
Calculate discounted sale price, total savings, and stacked coupon promo codes.
CGPA to Percentage Calculator
Calculate academic CGPA from multiple semesters and convert to equivalent percentage.
SGPA Semester Calculator
Calculate semester SGPA from individual subject grade points and course credits.
Date Difference & Duration Calculator
Calculate number of days, weeks, months, and hours between two calendar dates.
Scientific Calculator
Interactive scientific & standard web calculator with trigonometry, log, roots & history.
SIP & Mutual Fund Calculator
Calculate wealth growth, compound interest, and maturity returns on monthly SIPs.
Tip & Split Bill Calculator
Calculate tip amounts and split restaurant bills evenly among friends.
Fuel Cost & Trip Calculator
Calculate fuel quantity and total trip expense based on mileage and fuel prices.