Utility Calculators (India)
High-value calculator suite: EMI, salary in-hand, GST, exact age, and advanced percentage math.
1. Loan EMI Calculator
Result
Monthly EMI: ₹20,758
Total Payment: ₹12,45,501
Total Interest: ₹2,45,501
2. Salary In-Hand Calculator (India)
Result
Estimated Annual Tax: ₹60,736
Estimated EPF: ₹1,44,000
Net Annual In-Hand: ₹9,71,264
Monthly In-Hand: ₹80,939
Estimated values for planning; actual payroll may vary by company policy.
3. GST Calculator
Result
Base Amount: ₹1,000
Total GST: ₹180
CGST (intra-state): ₹90
SGST (intra-state): ₹90
Final Amount: ₹1,180
CGST and SGST above assume an intra-state sale (each is half of total GST). For an inter-state sale, the full GST amount is charged as IGST instead of splitting it.
4. Age Calculator (Exact Days)
Result
Age: -
Exact Days Lived: -
5. Percentage Calculator (Advanced)
Result
15% of 5000: 750.00
Increase 5000 by 15%: 5750.00
Decrease 5000 by 15%: 4250.00
Percent change (200 -> 260): 30.00%
About this tool
Our free Indian calculator suite includes an EMI calculator, GST calculator, salary in-hand calculator, and age calculator — all built specifically for Indian financial and everyday calculations. Calculate your home loan or personal loan EMI instantly with the standard reducing balance formula. Find out your actual in-hand salary after PF, professional tax, and TDS deductions. Calculate GST amounts for any invoice at 5%, 12%, 18%, or 28% slab rates. Determine your exact age in years, months, and days from your date of birth. And perform advanced percentage calculations for discounts, markups, and proportion problems. All calculators work offline in your browser — no account, no ads, no tracking.
How to use — step by step
- 1
Open Utility Calculators
Go to the Utility Calculators page. It includes EMI calculator, GST calculator, salary in-hand calculator, age calculator, and percentage calculator.
- 2
Select the calculator you need
Click the tab for the calculation you want: EMI for loan, GST for tax, Salary for in-hand amount, or Age for exact days/months/years.
- 3
Enter your values
Fill in the required fields. For EMI: loan amount, interest rate, tenure. For GST: amount and tax slab. For Salary: CTC. For Age: date of birth.
- 4
Get instant results
Results appear instantly as you type. EMI shows monthly payment and total interest. GST shows CGST, SGST, and total. Salary shows in-hand take-home.
- 5
Use the result
Copy or note your result. Use it for loan planning, invoice GST calculation, or job offer evaluation.
Common use cases
Home loan planning
Calculate your monthly EMI and total interest payable before applying for a home loan to plan your finances.
Salary negotiation
Enter a CTC offer and see your monthly in-hand amount after all deductions to evaluate the real value of a job offer.
GST invoicing
Quickly calculate CGST and SGST breakdowns when raising invoices for goods or services.
Age verification
Compute the exact age in days, months, and years for forms, eligibility checks, or personal records.
Frequently asked questions
How to calculate EMI for home loan in India?
Enter your loan amount, annual interest rate, and tenure in months in our EMI Calculator. It instantly shows your monthly EMI and total interest payable.
How to calculate GST online free?
Enter your base amount and select the GST slab (5%, 12%, 18%, or 28%). The calculator shows CGST, SGST, IGST, and total amount including GST.
How to calculate in-hand salary from CTC?
Enter your CTC in the Salary Calculator. It deducts standard PF (12%), professional tax, and TDS to show your estimated monthly take-home salary.
How to calculate exact age in days and months?
Enter your date of birth in the Age Calculator. It shows your exact age in years, months, days — useful for government forms and school admissions.
What is the EMI formula used in India?
EMI = [P × R × (1+R)^N] / [(1+R)^N – 1], where P = principal, R = monthly interest rate, N = tenure in months. This is the same formula used by all Indian banks.
Is GST calculator free to use?
Yes. All calculators on Instant Tools Hub are completely free with no sign-up or account required.