EMI Calculator
Know your monthly loan instalment and total interest in seconds.
60+ free financial calculators
Every Financial Calculation, One Trusted Place.
Plan loans, investments, taxes, savings, and more using fast, accurate, and free financial calculators.
Popular calculators
Start with what people use most
All 45 CalPaisa calculators cover the money decisions that come up most. Each one is instant, free, and runs in your browser.
Home Loan Calculator
Calculate home loan EMI, total interest and the year-wise schedule.
Personal Loan Calculator
Calculate personal loan EMI, total interest and total repayment.
Car Loan Calculator
Calculate car loan EMI after your down payment, with total interest.
SIP Calculator
Calculate SIP returns and see how your monthly investments could grow.
SWP Calculator
See how long a corpus supports a fixed monthly withdrawal.
CAGR Calculator
Calculate compound annual growth rate between two values.
Step-Up SIP Calculator
See how annual SIP increases could grow your projected corpus.
HRA Calculator
Estimate exempt and taxable HRA from rent and salary details.
Gratuity Calculator
Estimate gratuity from salary and years of service.
NPS Calculator
Project a possible NPS retirement corpus from monthly contributions.
Inflation Calculator
Estimate future costs and the changing purchasing power of money.
FD Calculator
Calculate fixed deposit maturity amount and interest earned.
RD Calculator
Calculate recurring deposit maturity amount and interest earned.
GST Calculator
Add or remove GST with accurate inclusive and exclusive splits.
Income Tax Calculator
Estimate your tax under the old and new regimes instantly.
PPF Calculator
Estimate PPF maturity value and interest earned year by year.
Compound Interest Calculator
See how a lump sum grows with any rate and compounding frequency.
CTC to In-Hand Salary Calculator
Turn annual CTC into estimated monthly take-home pay.
EPF Calculator
Project your provident fund corpus from monthly contributions.
TDS Calculator
Estimate tax deducted at source on a payment.
Rent vs Buy Calculator
Compare renting with buying a home over your time horizon.
Retirement Corpus Calculator
Find the corpus you need and what you are on track to build.
Percentage Calculator
Find X% of Y, percent change, and percentage difference instantly.
Age Calculator
Your exact age in years, months and days as of any date.
BMI Calculator
Your body mass index and its standard adult category.
Calorie Calculator
Estimate your BMR and daily calorie needs from your activity level.
BMR Calculator
Estimate the calories your body uses at complete rest.
Water Intake Calculator
Estimate how much water you may need each day.
Discount Calculator
Find the sale price and how much you save.
Tip Calculator
Work out the tip and split the bill.
Mortgage Calculator
Estimate your monthly mortgage payment and total interest.
Salary Calculator
Estimate take-home pay per year, month or week.
Simple Interest Calculator
Interest and total amount using P × R × T ÷ 100.
Salary Hike Calculator
New salary from a hike %, or the hike % from an offer.
Fuel Cost Calculator
Fuel needed and trip cost from distance, mileage and price.
CGPA to Percentage Calculator
Convert CGPA to percentage with an adjustable multiplier.
SGPA Calculator
Credit-weighted semester GPA from subjects and grade points.
Electricity Bill Calculator
Estimate a bill from units, price per unit and charges.
Date Difference Calculator
Exact days, weeks, months and years between two dates.
Number to Words Converter
Write a rupee amount in words — lakh, crore and paise.
Loan Eligibility Calculator
Estimate the loan your income and EMI capacity can support.
Gold Price Calculator
Gold value from weight, purity and your reference price.
Currency Converter
Convert currencies with an exchange rate you enter.
XIRR Calculator
Annualized return from irregularly dated investments and receipts.
Categories
Find the right tool by topic
Every calculator is grouped into a clear category, so you always know where to look next.
Loans
EMI, home loan, prepayment, and eligibility planning.
7 calculatorsInvestments
SIP, lumpsum, mutual funds, and goal projections.
9 calculatorsTaxes
Income tax, GST, TDS, and capital gains.
4 calculatorsSalary
CTC, in-hand pay, gratuity, and HRA.
4 calculatorsBanking
FD, RD, PPF, and compound interest.
6 calculatorsBusiness
Margin, break-even, invoices, and working capital.
Coming soonEveryday & Math
Percentages, discounts, tips, and age.
11 calculatorsHealth
BMI, calories, BMR, and water intake estimates.
4 calculators
Why CalPaisa
Built to be the calculator you actually trust
CalPaisa is a personal finance platform, not a page of ads around a form. Clarity, speed, and privacy come first.
Fast
Results update the moment you type — no reloads, no waiting.
Accurate
Formulas reviewed against official rules and bank practices.
Free
Every calculator is free, forever. No sign-up, no paywall.
Mobile Friendly
Designed mobile-first so it feels native on any screen.
Privacy Focused
Calculations run in your browser. Your numbers stay yours.
Financial learning
Understand the numbers, not just the result
Short, jargon-free guides that explain the reasoning behind every calculation.
Loans•6 min read
EMI or prepayment: which saves you more interest?
A practical framework for deciding between a longer tenure, a higher EMI and putting spare cash into prepayment.
Read guideLoans•7 min read
Fixed vs floating rates in a changing rate cycle
How repo-linked lending rates reset, and when paying a premium for a fixed rate is actually worth it.
Read guideInvestments•8 min read
Why a 10% step-up SIP beats a flat SIP
Small annual increases compound quietly. Here is the arithmetic behind step-up investing — and its limits.
Read guide