Every number worth knowing, settled in seconds.
Finance, academics, business, fitness and life — precise tools that recalculate the instant you type. No accounts. No clutter. Just answers.
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Showing all 53 calculators
Finance & Investment
Calculators for SIP, EMI, tax, loans, insurance and all things money.
SIP CalculatorLive
Project your SIP, step-up, or lumpsum mutual fund returns instantly.
Lumpsum Calculator
Estimate the future value of a one-time mutual fund investment.
Fixed Deposit Calculator
Calculate maturity amount and interest earned on your fixed deposit.
Recurring Deposit Calculator
Find the maturity value of your monthly recurring deposit.
PPF Calculator
Calculate your Public Provident Fund maturity corpus over 15 years.
NPS Calculator
Estimate your NPS retirement corpus and monthly pension.
Income Tax Calculator
Estimate your income tax liability under Old or New tax regime.
TDS Calculator
Quickly calculate the TDS to be deducted on salary, interest, rent, or contractor payments.
GST Calculator
Add or remove GST from any amount across all Indian tax slabs.
Gratuity Calculator
Calculate gratuity payable under the Payment of Gratuity Act 1972.
EMI Calculator
Calculate your monthly EMI for any loan — home, car, personal, or education.
Home Loan Calculator
Plan your home loan EMI, total interest, and repayment schedule.
Car Loan Calculator
Calculate your car loan EMI, total cost, and interest outgo.
Auto Loan Calculator
Calculate EMI and total cost for a two-wheeler or commercial vehicle loan.
Mortgage Calculator
Calculate your mortgage payment, amortisation, and total interest cost.
Mortgage Payoff Calculator
Find out how extra payments can eliminate your mortgage years ahead of schedule.
Salary Calculator
Break down CTC into take-home salary, deductions, and in-hand components.
Stock Average Calculator
Calculate your average buy price across multiple stock purchases.
Credit Card Payoff Calculator
Find out how long it takes to pay off your credit card debt and how much interest you pay.
Day Trade Calculator
Calculate profit, loss, and break-even on intraday trades after brokerage and taxes.
Compound Interest Calculator
See how compound interest grows your money over time at any compounding frequency.
Simple vs Compound Calculator
Compare simple and compound interest side-by-side on the same investment.
Inflation Calculator
Find out how inflation erodes purchasing power over time.
Retirement Calculator
Find how much you need to save now to retire comfortably.
Student Loan Calculator
Estimate your education loan EMI, total interest, and repayment schedule.
Property Tax Calculator
Estimate annual property tax based on area, type, and municipality rates.
ROI Calculator
Calculate return on investment as a percentage and annualised return.
Rent vs Buy Calculator
Compare the long-term financial cost of renting vs buying a home.
Currency Converter
Convert between major currencies using live or manually entered exchange rates.
Fuel Cost Calculator
Calculate trip fuel cost based on distance, mileage, and fuel price.
Academic
GPA, CGPA, percentage, age and other academic calculators.
Age Calculator
Calculate your exact age in years, months, days, hours, and minutes.
CGPA Calculator
Calculate your CGPA and convert it to percentage for all major grading systems.
GPA / Grade Calculator
Calculate your GPA on a 4.0 or 10-point scale from letter grades.
Grade Calculator
Calculate your overall grade from assignment, test, and exam scores with custom weights.
Marks Percentage Calculator
Convert marks to percentage and find the marks needed for a target percentage.
Percentage Calculator
Solve any percentage problem — find %, find value, find whole, or percentage change.
Percentage Error Calculator
Calculate the percentage error between an experimental and theoretical value.
Sample Size Calculator
Determine the minimum sample size needed for a statistically valid survey or study.
Scientific Calculator
Full-featured scientific calculator with trig, log, exponents, and constants.
Time Calculator
Add, subtract, or convert time between hours, minutes, seconds, and days.
Business & Productivity
Break-even, ROI, profit margins and freelancer tools.
Break-Even Calculator
Find the break-even point in units and revenue for your business.
Profit Margin Calculator
Calculate gross, operating, and net profit margins from revenue and costs.
Working Capital Calculator
Assess your business liquidity with working capital and current ratio.
Freelance Rate Calculator
Set your minimum hourly or project rate to cover costs and hit your income goal.
Fitness & Health
BMI, BMR, calorie needs, body fat and fitness tools.
BMI Calculator
Calculate your Body Mass Index and find your healthy weight range.
BMR Calculator
Calculate your Basal Metabolic Rate and daily calorie needs by activity level.
Body Fat Calculator
Estimate body fat percentage using the US Navy tape measurement method.
BSA Calculator
Calculate Body Surface Area for medical dosing using the Mosteller or DuBois formula.
Calorie Calculator
Calculate daily calorie needs for weight loss, maintenance, or muscle gain.
Water Intake Calculator
Find your recommended daily water intake based on weight and activity.
Pace Calculator
Calculate running pace, finish time, or distance from any two known values.
Lifestyle
Tip splits, due date, and everyday lifestyle calculators.
Reactive by design
Every input recalculates the instant you change it. Sliders, fields and figures stay perfectly in sync — no calculate button, ever.
Nothing leaves the device
All math happens client-side. No servers, no tracking, no sign-up. Your salary and savings stay yours.
Featherweight & fast
A static, CDN-friendly build that loads in a blink and works on any device — old laptop or flagship phone.