Free online calculators: income tax, EMI, GST, SIP, age, BMI

Search for a tool or requirement

You can search by the name of an exam, an identity document or an application form.

Income tax calculator

Under the new tax regime for Tax Year 2026-27, there is no tax on taxable income of up to ₹12 lakh after the rebate, so a salary of ₹12.75 lakh pays no tax after the ₹75,000 standard deduction. This calculator compares the new and old regimes.

Tax Year 2026-27 under the new and old regimes, side by side.
No tax up to ₹12 lakh of taxable income in the new regime, with marginal relief.
Standard deduction, surcharge, 4% cess and rounding as per the Act.

Calculate income tax

Tax slabs for Tax Year 2026-27: new regime

Up to ₹4,00,000: Nil
₹4,00,000 to ₹8,00,000: 5%
₹8,00,000 to ₹12,00,000: 10%
₹12,00,000 to ₹16,00,000: 15%
₹16,00,000 to ₹20,00,000: 20%
₹20,00,000 to ₹24,00,000: 25%
Above ₹24,00,000: 30%

No tax on taxable income up to ₹12 lakh after the rebate. Standard deduction for salaried persons: ₹75,000.

Sources: Income Tax Department; Ministry of Finance; Parliament of India (text published by PRS Legislative Research); Press Information BureauChecked: October 2026

EMI calculator

EMI = P × r × (1 + r)^n ÷ ((1 + r)^n − 1), where P is the loan amount, r the monthly rate of interest and n the number of months. A loan of ₹40 lakh at 8.5% p.a. for 20 years has an EMI of ₹34,713.

EMI, total interest and total amount payable for any loan.
Tenure in years or months; amounts in lakh and crore.
Year-by-year amortisation schedule.

Calculate EMI

Worked examples

₹40 lakh, 8.5% p.a., 240 months: EMI ₹34,713; total interest ₹43,31,103
₹10 lakh, 10.5% p.a., 60 months: EMI ₹21,494; total interest ₹2,89,634
₹5 lakh, 12% p.a., 36 months: EMI ₹16,607; total interest ₹97,858

GST calculator

From 22 September 2025, the main GST rates are 5%, 18% and 40%. At 18%, GST on ₹1,000 is ₹180 (CGST ₹90 and SGST ₹90 within a state), and ₹1,180 including GST is ₹1,000 before GST.

Add GST to a price or remove GST from a price.
Current rates of 5%, 18% and 40%, and 3% for gold and jewellery.
CGST and SGST split within a state, or IGST between states.

Calculate GST

Current GST rates

5%: Merit rate
18%: Standard rate
40%: Special rate for de-merit goods
3%: Gold, silver and jewellery
0.25%: Rough diamonds and some precious stones
1.5%: Cut and polished diamonds and some precious stones

Within a state, GST is split equally into CGST and SGST (or UTGST in a Union Territory). Between states, the whole amount is IGST.

Sources: Press Information Bureau, Ministry of Finance; Central Board of Indirect Taxes and CustomsChecked: October 2026

SIP calculator

A SIP of ₹5,000 a month for 10 years grows to an estimated ₹11,61,695 at 12% a year, against ₹6,00,000 invested. The rate of return is entered by you; actual mutual fund returns are subject to market risks.

Estimated value of a monthly SIP at the rate you enter.
Step-up SIP with a yearly increase.
Year-by-year table of amount invested and estimated value.

Calculate SIP returns

Worked examples

₹5,000 a month, 12% a year, 10 years: Invested ₹6,00,000; estimated value ₹11,61,695
₹10,000 a month, 12% a year, 20 years: Invested ₹24,00,000; estimated value ₹99,91,479
₹2,000 a month, 10% a year, 5 years: Invested ₹1,20,000; estimated value ₹1,56,165
₹5,000 a month, 12% a year, 10 years, step-up 10%: Invested ₹9,56,245; estimated value ₹16,87,163

This is an estimate at the rate you entered. Mutual fund investments are subject to market risks, and actual returns may be higher or lower.

Date calculator

Find the number of days between two dates, or the date a given number of days before or after a date. For example, 1 January to 31 December 2026 is 364 days, or 365 days if the end date is included.

Days between two dates in days, weeks, and years, months and days. The end date can be included.
The number of days from Monday to Friday is also shown.
The date a given number of days before or after a date, with the day of the week.

Calculate dates

Worked examples

Number of days in 2026, counting both dates: 365 days, of which 261 are Monday to Friday
28 February to 1 March in a leap year: 2 days, of which 2 are Monday to Friday
100 days after 26 October 2026: Wednesday, 3 February 2027

Age calculator

Find your exact age in years, months and days on today's date or on a given date. For example, a person born on 15 May 1990 is 36 years, 5 months and 11 days old on 26 October 2026.

Exact age in years, months and days from the date of birth.
Age as on today's date or on the cut-off date in an exam or job notice.
Total days since birth and the date of the next birthday.

Calculate age

Worked examples

Born on 15 May 1990, age on 26 October 2026: 36 years, 5 months and 11 days; 13,313 days since birth
Born on 29 February 2000, age on 28 February 2027 (not a leap year): 27 years, 0 months and 0 days; 9,861 days since birth

BMI calculator

BMI = weight (kg) ÷ height (m)². As per the ICMR-NIN Dietary Guidelines for Indians, a BMI of 18.5 to 23 is normal, over 23 to 27.5 is overweight, and above 27.5 is obese.

Categories as per the ICMR-NIN Asian cut-offs: 18.5, 23 and 27.5.
Shows the normal weight range for your height.
Height in cm or in feet and inches; weight in kg or pounds.

Calculate BMI

Categories as per the ICMR-NIN Dietary Guidelines for Indians (Asian cut-offs)

Underweight: Below 18.5
Normal: 18.5 to 23.0
Overweight: Over 23.0 to 27.5
Obese: Above 27.5

BMI = weight (kg) ÷ height (m)².

Sources: ICMR-National Institute of NutritionChecked: October 2026

Percentage calculator

Percentage = part ÷ whole × 100. For example, 30 is 25% of 120, and marks of 450 out of 600 are 75%. A change from 48 to 60 is an increase of 25%.

A percentage of a number, and what percent one number is of another.
Percentage of marks out of a total.
Percentage increase or decrease.

Calculate percentage

Worked examples

What is 15% of 80?: 15% of 80 is 12.
30 is what percent of 120?: 30 is 25% of 120.
Marks of 450 out of 600 as a percentage: 450 is 75% of 600.
Change from 48 to 60: From 48 to 60 is an increase of 25%.

Password generator

Generate strong random passwords in your browser. The default is 16 characters with capital and small letters, numbers and special characters, about 102 bits of entropy. You can change the length and the characters, or create a numeric PIN.

Generated in your browser; nothing is sent or stored.
4 to 128 characters with the types of characters you choose.
Also numeric PINs and Wi-Fi passwords.

Generate a password