🧮 FREE ONLINE CALCULATORS

Free Online Calculators

Calculate EMI, percentages, age, CGPA, GPA, SIP returns, compound interest, gold value, jewellery cost and more with B4SAI's simple online calculators.

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Simple & Useful Calculators

B4SAI provides a collection of free online calculators designed for students, professionals, investors, shoppers and everyday users.

Select a calculator below, enter the required information and review the estimated result. Each calculator should explain the calculation so you can understand how the result is produced.

🔥 Popular Calculators

💳 EMI Calculator 📊 Percentage Calculator 🎂 Age Calculator 🥇 Gold Calculator 📈 SIP Calculator 🎓 CGPA Calculator ⚖️ BMI Calculator 🏷️ Discount Calculator

🎓 Education Calculators

Tools for students

📊

Percentage Calculator

Calculate percentage, marks obtained and percentage difference.

Calculate Percentage →

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CGPA Calculator

Calculate CGPA based on grades or semester performance.

Calculate CGPA →

📚

GPA Calculator

Estimate GPA using subjects, grades and credit values.

Calculate GPA →

📝

Marks Percentage Calculator

Convert marks into percentage quickly and easily.

Calculate Marks →

🏫

Attendance Calculator

Calculate attendance percentage and required classes.

Calculate Attendance →

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Grade Calculator

Estimate grades from marks and grading criteria.

Calculate Grade →

💰 Financial Calculators

Loans, investments & interest

💳

EMI Calculator

Calculate estimated monthly loan EMI, interest and repayment.

Calculate EMI →

🎓

Education Loan Calculator

Estimate education loan EMI and repayment amount.

Calculate Loan →

📈

SIP Calculator

Estimate the potential future value of regular investments.

Calculate SIP →

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Compound Interest Calculator

Calculate compound interest and estimated future value.

Calculate Interest →

🧮

Simple Interest Calculator

Calculate simple interest and total amount.

Calculate Interest →

🏦

Loan Calculator

Estimate loan payments using amount, rate and tenure.

Calculate Loan →

💎 Gold, Silver & Jewellery

Metal value calculators

🥇

Gold Calculator

Estimate gold value using weight, purity and price.

Calculate Gold Value →

🥈

Silver Calculator

Estimate silver value based on weight, purity and price.

Calculate Silver Value →

💎

Diamond Calculator

Estimate diamond value using selected calculation inputs.

Calculate Value →

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Jewellery Calculator

Estimate jewellery cost using weight, purity and charges.

Calculate Jewellery →

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Gold Purity Calculator

Calculate estimated gold purity and karat information.

Check Purity →

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Jewellery Making Charge

Estimate jewellery making charges based on your inputs.

Calculate Charges →

⚡ Everyday Calculators

Quick utility calculations

🎂

Age Calculator

Calculate age in years, months and days from date of birth.

Calculate Age →

⚖️

BMI Calculator

Calculate BMI using height and weight information.

Calculate BMI →

🏷️

Discount Calculator

Calculate discount amount and estimated final price.

Calculate Discount →

📅

Date Calculator

Calculate the difference between two dates.

Calculate Dates →

📐

Unit Converter

Convert common units of length, weight, temperature and more.

Convert Units →

🧾

GST Calculator

Calculate GST amount and estimate inclusive or exclusive prices.

Calculate GST →

No calculator found.
Try searching for EMI, gold, percentage, age, CGPA, GPA, SIP or another calculator.

❓ CALCULATOR FAQ

Frequently Asked Questions About Calculators

Find answers to common questions about B4SAI online calculators and how to use them.

What are online calculators? +

Online calculators are web-based tools that perform mathematical or estimation calculations using information entered by the user. They can make common calculations faster and easier without requiring separate software.

Are B4SAI calculators free to use? +

B4SAI calculators are designed as free online tools for common educational, financial and everyday calculations. Individual tools may have different features and limitations.

Can students use B4SAI calculators? +

Yes. B4SAI includes education-focused calculators such as percentage, CGPA, GPA, grade and attendance calculators that can help students perform common calculations.

How does the EMI Calculator work? +

An EMI calculator generally uses the loan amount, interest rate and loan tenure to estimate the periodic instalment. The displayed result can also include estimated total interest and total repayment.

How does the Percentage Calculator work? +

A percentage calculator can perform different percentage calculations, such as finding a percentage of a number, calculating marks percentage or finding the percentage difference between values.

How does the Age Calculator calculate age? +

An age calculator compares the date of birth with a selected date and calculates the elapsed time, commonly expressed in years, months and days.

Can I calculate CGPA using B4SAI? +

Yes. The B4SAI CGPA calculator is intended to help users estimate CGPA based on the grading information and method supported by the calculator. Always confirm the calculation method used by your educational institution.

How does a SIP Calculator work? +

A SIP calculator generally estimates the future value of regular investments using inputs such as investment amount, investment frequency, expected rate of return and investment period.

Can the Gold Calculator give the exact market price? +

A gold calculator can provide an estimate based on inputs such as gold weight, purity and price. Actual purchase or sale prices can differ because of market rates, taxes, making charges, dealer charges and other applicable costs.

Are calculator results guaranteed to be accurate? +

Calculators are designed to perform calculations according to their formulas and the information entered by the user. Results can still depend on the assumptions, input values and calculation method. Important decisions should be independently verified.

Can I use B4SAI calculators on mobile phones? +

Yes. The calculators page is designed with a responsive layout so it can be used on smartphones, tablets and desktop devices.

Do I need to install an app to use these calculators? +

No. The calculators are designed to run directly in a compatible web browser, so users do not normally need to install a separate application.

Are financial calculator results financial advice? +

No. Financial calculator results are estimates based on the inputs and assumptions provided. They should not be treated as financial advice. Consider checking important financial decisions with an appropriate qualified professional.

How can I find a specific calculator? +

Use the search box at the top of this page. Enter a term such as EMI, gold, percentage, CGPA, GPA, age, SIP, discount or BMI to find a relevant calculator.

⚠️ Calculator Disclaimer

B4SAI calculators are provided for general informational, educational and estimation purposes. Results may depend on the inputs, formulas, assumptions and rates used by each calculator. Financial, gold, investment, tax and other estimates should be independently verified before making important decisions.