India's #1 Free Calculator Hub 🇮🇳

80+ powerful calculators for Finance, Health, Education, Math & Daily Life — 100% Free, Lightning Fast, Always Accurate. No signup needed.

80+Calculators
7Categories
100%Free Forever
Instant Results
📢 Advertisement Space — Place your AdSense code here

⭐ Popular Calculators

Most-used by visitors (auto-personalized for you)

📢 AdSense Responsive Ad

💸 Finance Calculators

Loans • Investments • Taxes • Retirement • Insurance

🏠

EMI Calculator

Home, Car, Personal Loan EMI

📈

SIP Calculator

Mutual fund SIP returns

💵

Lumpsum

One-time investment maturity

📈

Step-up SIP

SIP that grows yearly

🎯

Goal SIP

SIP needed for your goal

💸

SWP

Systematic withdrawal plan

🔄

STP

Systematic transfer plan

📊

MF Returns

Mutual fund returns from NAV

📊

Income Tax

FY 2025-26 New Regime

⚖️

Old vs New Tax

Which regime saves more

🧾

GST

Inclusive & exclusive GST

🧾

TDS

Tax deducted at source

💼

Capital Gains

STCG/LTCG tax

🏘️

HRA Exemption

Section 10(13A) saving

💼

Salary

CTC to in-hand monthly

📈

Salary Hike

Calculate raise %

🏦

Loan Eligibility

Max loan you can get

💰

Loan Prepayment

Interest saved by prepay

🏦

FD

Fixed deposit maturity

💳

RD

Recurring deposit

🛡️

PPF

15-year tax-free PPF

💼

EPF

Provident fund corpus

🧓

NPS

National pension scheme

👧

Sukanya Samriddhi

Girl child scheme

🎁

Gratuity

After 5+ yrs service

🏖️

Retirement

Corpus + monthly SIP

📊

Compound Interest

Power of compounding

📐

Simple Interest

P × R × T / 100

📈

Inflation

Future value impact

📊

CAGR

Compound annual growth

💎

ROI

Return on investment

📈

Stock P/L

Trade profit/loss

📊

Stock Average

Avg price after buys

💵

Dividend Yield

Annual dividend %

🪙

Crypto Profit

30% Indian crypto tax

🛡️

Term Insurance

Required life cover

🏥

Health Insurance

Premium estimate

💚

Life Insurance

Coverage by income

🏘️

Rent vs Buy

House decision

📢 AdSense Ad

💪 Health & Fitness

Track health metrics with science-backed formulas

⚖️

BMI

Body Mass Index

🔥

BMR / Calorie

Daily calorie need

📏

Ideal Weight

3 medical formulas

💪

Body Fat

US Navy method

🍽️

Macros

Protein/Carbs/Fats split

🥩

Protein Intake

Daily protein need

💧

Water Intake

Daily hydration need

❤️

Heart Rate Zones

Training zones

🛏️

Sleep Cycle

Best bedtime

🤰

Pregnancy Due Date

EDD from LMP

🌸

Ovulation

Fertile window

🏃

Running Pace

Min/km for runners

👣

Steps to Calorie

Walking calories

🎂

Age

Years/months/days

📢 AdSense Ad

🎓 Education

Score conversions & academic calculations

🎓

CGPA to %

CBSE/Engineering

🔄

% to CGPA

Reverse conversion

📚

SGPA to CGPA

Average semesters

📝

Marks %

Exam percentage

🎯

Final Grade

Marks needed in finals

🇺🇸

GPA (US 4.0)

US college GPA

🔢 Math

Quick math calculations for students & professionals

%

Percentage

All % calculations

Square Root

√, ∛, n²

Power / Exponent

a^b calculator

🔢

LCM & HCF

GCD/LCM finder

📊

Average / Mean

Mean median min max

𝑥²

Quadratic Solver

ax²+bx+c=0

½

Fraction

Add/sub/mul/div

📊

Logarithm

log, ln, log₁₀

Ratio

Simplify ratios

📢 AdSense Ad

🔄 Converters

Convert units, currencies & measurements

📏

Length

m, km, ft, mile

⚖️

Weight

kg, g, lb, oz

🌡️

Temperature

°C ⇄ °F ⇄ K

🏎️

Speed

km/h, mph, m/s

💱

Currency

INR ⇄ USD/EUR+

🍳

Cooking

tsp, tbsp, cup, ml

🛍️ Daily & Business

Everyday calculators for life & work

🏷️

Discount

Sale price & savings

🍽️

Tip

Bill split at restaurants

Fuel Cost

Petrol/diesel trip

📅

Date Difference

Days between dates

📅

Notice Period

Last working day

💼

Profit Margin

Business margin/markup

🐶

Dog Age

Dog to human years

✨ Why Fynx?

🆓

100% Free Forever

No hidden charges, no signups, no spam.

Lightning Fast

Instant results, no loading delays.

🔒

Privacy First

All math runs in your browser only.

🇮🇳

Made for India

Indian Rupees, tax slabs, standards.

📱

Mobile Perfect

Works on every device, screen, browser.

🎨

3 Themes

Light, Dark Mode & Saffron India 🇮🇳