Blog &amp; Guides

Add or Subtract Days Calculator: Find a Future or Past Date

Calculate a date a chosen number of days before or after a start date and understand calendar counting.

Area Converter: Convert Square Metres, Square Feet, Acres and More

Learn common area units and how to convert square metres, square feet, acres, hectares, and other measurements.

Attendance Calculator: Find Your Attendance Percentage and Required Classes

Calculate attendance percentage and estimate how many classes you may need to attend to reach a target.

Average Calculator: Mean Formula, Examples and Common Uses

Calculate the arithmetic mean of numbers and understand when a simple average may be misleading.

BMR and Calorie Calculator: Estimate Basal Metabolic Rate

Understand BMR, estimated daily calorie needs, and how activity level affects a calorie estimate.

Break-Even Calculator: Find the Sales Needed to Cover Costs

Learn the break-even formula, fixed and variable costs, and how businesses estimate the sales needed to avoid a loss.

ROI Calculator for Business: Return on Investment Formula and Examples

Calculate a simple return on investment, understand the formula, and compare business spending with the benefit received.

CAGR Calculator: Annualized Growth Rate Formula and Example

Calculate compound annual growth rate from starting value, ending value, and time, and learn what CAGR does and does not show.

CGPA Calculator Guide: Calculate Grade Point Average Correctly

Understand CGPA, credit-weighted grade points, and why the correct conversion to percentage depends on your institution.

Data Size Converter: Bytes, KB, MB, GB and TB Explained

Understand digital storage units and convert bytes, kilobytes, megabytes, gigabytes, and terabytes.

Date Difference Calculator: Count Days Between Two Dates

Learn how to calculate the number of days between dates, understand inclusive counting, and handle leap years.

Days Until Calculator: Count Down to an Event or Deadline

Find how many days remain until a birthday, exam, trip, event, or deadline using a date countdown.

Ideal Weight Calculator: Understand Healthy Weight Estimates

Learn how ideal-weight estimates work, their limitations, and why health is more than a single number on the scale.

Interest Calculator: Simple Interest, Compound Interest and Examples

Understand simple and compound interest formulas, compare examples, and estimate how a principal amount changes over time.

Lumpsum Calculator: Estimate Future Value of a One-Time Investment

Learn how a lumpsum calculator estimates investment growth from a one-time amount using an assumed annual return.

Marks Needed Calculator: Find the Score Required for Your Target

Estimate how many marks you need in remaining exams to reach a target percentage or overall score.

Marks Percentage Calculator: Formula for Exam Results and Grades

Calculate exam percentage from marks obtained and total marks, with examples and advice for subjects with different maximum scores.

Mileage and Fuel Cost Calculator: Estimate Trip Fuel Expenses

Estimate vehicle mileage, fuel required, and trip cost using distance, fuel efficiency, and fuel price.

Percentage Change Calculator: Increase, Decrease and Formula

Learn the percentage change formula with increase and decrease examples, and avoid common denominator mistakes.

PPF Calculator: Estimate Public Provident Fund Growth

Learn how a PPF calculator estimates contributions, interest, and maturity, plus important rules to verify before investing.

Profit and Loss Calculator: Cost Price, Selling Price and Margin

Learn how to calculate profit, loss, profit percentage, and the difference between markup and margin.

RD Calculator: Estimate Recurring Deposit Maturity and Interest

Learn how an RD calculator estimates recurring deposit maturity, total deposits, and interest with a worked example and practical tips.

Salary Hike Calculator: Calculate Increment Percentage and New Salary

Calculate the percentage raise, increment amount, and new salary from your current salary and proposed hike.

Small Business Pricing Guide: Calculate Costs, Markup and Profit Margin

A practical guide to setting prices by understanding unit costs, markup, profit margin, and hidden business expenses.

Speed Converter: Convert km/h, mph and Metres per Second

Convert common speed units such as kilometres per hour, miles per hour, and metres per second.

Speed, Distance and Time Calculator: Formulas and Examples

Use the speed-distance-time relationship to solve travel and motion calculations with consistent units.

Square Root and Cube Root Calculator: Formulas and Examples

Learn what square roots and cube roots mean, how to estimate them, and where they are used.

Study Target Planner: Use Marks Goals to Plan Exam Preparation

Turn a target score into a practical study plan by checking marks needed, available time, and topic priorities.

TDS Calculator: Estimate Tax Deducted at Source

Understand the basic TDS calculation, why rates vary by payment type, and what to verify before relying on an estimate.

Tip and Bill Split Calculator: Share a Restaurant Bill Fairly

Estimate a tip, total bill, and per-person share when splitting a restaurant or service bill.

VAT Calculator: Add or Remove Value Added Tax

Calculate VAT amounts, tax-inclusive totals, and pre-tax prices with simple formulas and examples.

Water Intake Calculator: Estimate Daily Hydration Needs

Learn what affects hydration needs and how to use a water intake estimate safely without treating it as medical advice.

Age Calculator: Calculate Your Exact Age in Years, Months, and Days

Learn how an age calculator works, calculate age between two dates, and understand birthdays, leap years, and date differences.

BMI Calculator: Formula, Categories, and Limitations

Understand the BMI formula, learn how to calculate Body Mass Index, and explore what BMI can and cannot tell you about health.

Compound Interest Calculator: Formula, Examples, and Savings Tips

Learn how compound interest works, use the compound interest formula, compare savings scenarios, and estimate how your money may grow over time.

Currency Converter: Exchange Rates, Conversion Formula, and Fees

Learn how currency conversion works, calculate exchange values, and understand why bank, card, and cash exchange rates may differ.

Discount Calculator: How to Calculate Sale Prices and Savings

Calculate sale prices, discount amounts, and extra savings with easy discount formulas and real-world shopping examples.

EMI Calculator Guide: Flat Rate vs Reducing Balance

Understand flat-rate and reducing-balance loan interest, compare EMI estimates, and learn what to check before choosing a loan.

FD Calculator: Estimate Fixed Deposit Maturity and Interest

Learn how a fixed deposit calculator estimates maturity value and interest, compare compounding frequencies, and understand important FD terms.

GST Calculator: Calculate Tax, Inclusive Price, and Base Amount

Learn how to calculate GST on a price, separate GST from an inclusive total, and understand CGST, SGST, and IGST basics.

Loan Eligibility Calculator: Income, EMI, and Affordability

Understand how loan eligibility estimates use income, existing EMIs, tenure, and interest assumptions—and why lender decisions can differ.

Percentage Calculator: Formula, Examples, and Everyday Uses

Learn how to calculate percentages, find percentage increase or decrease, and solve everyday percentage problems with simple formulas and examples.

Personal Loan Calculator: Complete Guide

Learn how to calculate personal loan EMI, interest, and total repayment with examples, formulas, and practical borrowing tips.

Salary Calculator: Understand Gross Pay, Deductions, and Take-Home Salary

Learn the difference between gross salary and take-home pay, understand common payroll deductions, and use a salary calculator to plan your budget.

SIP Calculator: Complete Guide to Monthly Investment Planning

Learn how a SIP calculator estimates mutual fund investment growth, understand the SIP formula with an example, and compare monthly investment scenarios.

2026-10-16

EMI Calculator: Complete Guide to Calculate Your Monthly Loan Payments

Calculate your monthly EMI, total interest, and loan repayment with our complete EMI Calculator guide. Learn the formula, examples, and smart borrowing tips.