Welcome to CalculatorPoint

CalculatorPoint is a free online calculator platform built for students, salaried professionals, small-business owners and families across India. We bring together more than 70 everyday calculators — financial, health, mathematics, date-time, unit conversion and India-specific tools — in one fast, clean, mobile-friendly site, with no sign-up and no app to install. Every calculation runs in your browser, so the numbers you enter stay on your device.

Most people land here with a specific question in mind: "What will my home-loan EMI be if I borrow ₹40 lakh for 20 years?", "How much income tax will I pay this year under the new regime?", "What is my BMI for my height and weight?", "How many days until my exam?", or "How do I convert 5 acres into bigha?". CalculatorPoint is designed to answer those questions in seconds, and to show you the formula and assumptions behind the answer so you can trust the result.

What you can do on CalculatorPoint

• Plan loans and savings. Use the EMI calculator for home, car or personal loans; the SIP and FD calculators for investment goals; PPF and RD calculators for long-term savings; and the gratuity and salary calculators for take-home estimates.
• Estimate your taxes. The Income Tax calculator supports old and new regime slabs with health and education cess. The GST calculator adds or removes GST at 0%, 5%, 12%, 18% and 28%, and the Indian Special section includes TDS, HRA exemption and EPF calculators.
• Track health and fitness. Calculate BMI, BMR, body fat percentage, daily calorie needs, water intake, ideal body weight, target heart rate, one-rep max and pregnancy / ovulation dates.
• Do math and statistics. Use the scientific calculator, percentage, fraction simplifier, roots and powers, LCM / HCF, prime-number checker, quadratic equation solver, area calculator, mean / median / standard deviation and number-base converter.
• Work with dates and time. Find your exact age, the difference between two dates, the day of the week for any date, time-zone conversions, work-hour totals, week numbers and countdowns to exams or events.
• Convert units. Switch between length, weight, temperature, area, volume, speed, fuel efficiency, data-storage and pressure units, or convert currency at indicative rates.

Why CalculatorPoint exists

We built CalculatorPoint because routine calculations should not require downloading an app, signing up for a service, or hunting through ad-heavy websites. Existing finance and unit-conversion tools in India are often either too simple (a single input box with no context) or too cluttered (popups, signups, paywalls). CalculatorPoint sits in the middle: enough depth to be genuinely useful, enough restraint to load fast and stay readable on a budget phone.

Every calculator on this site is paired with the formula it uses, sensible default values and short answers to the questions people most commonly have about it. The goal is for you to understand the result — not just see a number you have to take on trust.

Popular calculators

How we keep the calculators reliable

Each calculator on CalculatorPoint follows the same editorial process:

• We source formulas from authoritative references — the Income Tax Act, RBI circulars, EPFO guidelines, WHO BMI categories, ISO unit definitions or standard academic textbooks — not random blog posts.
• We show the formula on the page. Every calculator includes a "How it is calculated" section so you can verify the math by hand if you want to.
• We test against worked examples. Our EMI, SIP and FD calculators are cross-checked against bank EMI sheets and published reference values. Health calculators are checked against the ranges and categories published by the WHO and other health bodies.
• We design for phones first. Most CalculatorPoint visitors are on a mobile device, so every layout is built to work with thumb typing on a 5-inch screen before we worry about desktop.
• We update when the rules change. When tax slabs, PPF interest, EPFO rules or GST rates change, we update the affected calculators — and we tell you in the calculator's notes which assumptions we are using.

Who CalculatorPoint is for

CalculatorPoint is used by a wide range of people in India and elsewhere:

• Students and exam aspirants use the scientific, percentage, fraction, LCM / HCF, prime, quadratic and statistics calculators for homework and competitive-exam preparation. The countdown, date-difference and week-number tools help plan study schedules.
• Salaried professionals use the EMI, SIP, FD, RD, PPF, income-tax, HRA, EPF and salary calculators to plan loans, taxes and long-term savings — and the gratuity calculator when changing jobs.
• Small-business owners use the GST, GST invoice and TDS calculators for day-to-day billing and compliance checks, alongside the percentage and discount calculators for pricing.
• Families and parents use the BMI, calorie, water-intake, pregnancy and ovulation calculators for everyday health planning, and the age, retirement and date-difference tools for milestones.
• Anyone shopping or travelling uses the unit converters, currency converter, tip calculator, fuel-cost calculator and time-zone converter.

What makes CalculatorPoint different

• No sign-up, no app. Open the page, type your numbers, get an answer. Nothing is saved to a server.
• Formulas are always visible. Every result is paired with the underlying formula and the assumptions used.
• India-aware defaults. Loan amounts default to lakh-rupee figures, interest rates default to current Indian bank averages, GST rates use the actual slab structure, and Indian-specific tools (HRA, EPF, gratuity, TDS, land-area) follow Indian rules — not generic global ones.
• Lightweight and fast. The site is built to load quickly on slow networks. Calculations update instantly as you type.
• Mobile-first design. Every layout is tested on small screens before desktop.

Frequently asked questions about CalculatorPoint

Is CalculatorPoint free to use?

Yes. Every calculator on the site is free, with no sign-up and no premium tier. The site is supported by display advertising so we can keep the tools free.

Do I need to create an account?

No. You can open any calculator and start typing immediately. There is nothing to register, log in to, or download.

Do you store the numbers I enter?

No. All calculations happen in your browser — the values you enter are not sent to or stored on our servers.

How accurate are the results?

Calculations use the standard formulas shown on each calculator's "How it is calculated" section. They are accurate for the inputs and assumptions provided. For tax, legal, medical or investment decisions, please confirm with a qualified professional — see our disclaimer for full details.

Can I use CalculatorPoint on my phone?

Yes. The entire site is mobile-first and works on phones, tablets and desktops. Most of our visitors come from mobile devices and the layouts are tested on small screens before desktop.

Are the financial calculators specific to India?

The financial and Indian-special calculators default to Indian rupee amounts, Indian interest-rate ranges and Indian rules (GST slabs, income-tax regime structure, EPF and gratuity formulas). The health, math, date-time and unit converters are universal and work for users anywhere.

How do I report a wrong answer or suggest a new calculator?

Email us at support@calculatorpoint.tech or use the Contact page. We read every message and use feedback to fix bugs and prioritise new calculators.

Browse calculators by category

Start with the category that fits what you are trying to do: