Free Online Tools

Calculators & Business Tools

Free, instant tools to estimate taxes, compare business structures, find TDS rates, and calculate registration costs — no signup required.

✓ 29 Free Tools✓ FY 2025–26 Updated✓ No Registration✓ Mobile Friendly

Calculators & Advisors

Estimate taxes, compare structures and find rates.

Most Used

GST Calculator

Calculate GST amount (inclusive/exclusive) for all slabs — 5%, 12%, 18%, 28%. Get CGST/SGST or IGST split instantly.

GST calculatorCGST SGST IGSTGST on services India
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Budget 2025

Income Tax Calculator

Compare Old vs New Regime for FY 2025–26. Includes Sec 87A rebate, standard deduction, HRA, 80C, and more.

income tax calculator India 2025old vs new regime calculator
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TDS Rate Finder

Select any payment type and instantly get the applicable TDS section, rate, and threshold limit.

TDS on professional feesTDS rate Indiasection 194J
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Popular

Company Registration Cost Calculator

Estimate registration cost for Pvt Ltd, LLP, OPC, and more. Includes govt fees, stamp duty, DSC, and professional charges by state.

company registration cost Indiapvt ltd registration fees 2024
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LLP vs Pvt Ltd Comparison

Answer 5 quick questions to get a personalised recommendation. Plus a full side-by-side comparison table of 14 key parameters.

LLP vs pvt ltdwhich company structure India
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Interactive

Business Structure Advisor

6-question quiz that recommends the right business structure — Pvt Ltd, LLP, OPC, Partnership, or Sole Proprietorship — with reasoning.

what type of company should I register India
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New

Annual Compliance Cost Calculator

Pick your entity type, directors/partners, turnover and headcount — get an itemised breakdown of ROC, audit, ITR, GST and payroll compliance costs for the year.

annual compliance cost calculatorLLP compliance costROC filing fees
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New

TDS Calculator

Compute the exact TDS to deduct on any payment — professional fees, rent, contracts, commission — including Section 206AA no-PAN rates.

TDS calculatorTDS deduction194J 194C
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HRA Calculator

Find how much of your House Rent Allowance is tax-exempt under Section 10(13A), based on salary, rent paid and city.

HRA exemption calculatorhouse rent allowancesection 10 13A
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Salary Calculator

Convert your CTC into monthly in-hand pay. See the split of gross salary, PF, professional tax and income tax deductions.

CTC to in-handtake home salary calculator
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Gratuity Calculator

Estimate gratuity payable under the Payment of Gratuity Act, 1972, from your last drawn salary and years of service.

gratuity calculatorgratuity formulapayment of gratuity act
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Business Setup Calculator

Estimate the total cost to start a business — registration, government fees, GST and licences — across every popular structure.

business setup costcompany registration cost India
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Financial Calculators

Loans, EMIs, SIP, deposits and retirement planning.

Popular

EMI Calculator

Calculate monthly EMI, total interest and total payable for any loan on a reducing-balance basis.

EMI calculatorloan EMI
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Home Loan EMI Calculator

Estimate your home loan EMI, total interest outgo and repayment for tenures up to 30 years.

home loan EMIhousing loan calculator
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Popular

SIP Calculator

See how a monthly SIP grows over time with the maturity value and estimated returns of your investment.

SIP calculatormutual fund SIP
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Lumpsum Calculator

Project the future value of a one-time investment from the amount, expected return and horizon.

lumpsum calculatorone time investment
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Mutual Fund Returns Calculator

Project mutual fund returns in both SIP and lumpsum modes with an invested-vs-returns breakdown.

mutual fund calculatorMF returns
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Compound Interest Calculator

Calculate simple and compound interest with yearly, half-yearly, quarterly or monthly compounding.

compound interest calculatorsimple interest
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FD Calculator

Compute the maturity value and interest on a Fixed Deposit across rates, tenures and compounding options.

FD calculatorfixed deposit maturity
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RD Calculator

Estimate the maturity value of a Recurring Deposit with consistent monthly deposits and quarterly compounding.

RD calculatorrecurring deposit
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PPF Calculator

Project your Public Provident Fund maturity, interest and tax-free returns over 15+ years at the current rate.

PPF calculatorpublic provident fund
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EPF Calculator

Project your Employees' Provident Fund corpus at retirement with salary growth and the current EPF rate.

EPF calculatorprovident fund corpus
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NPS Calculator

Estimate your National Pension System corpus at 60 plus the lumpsum, annuity split and monthly pension.

NPS calculatornational pension system
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Retirement Planning Calculator

Find the inflation-adjusted corpus you need and the monthly SIP required to retire comfortably.

retirement calculatorretirement corpus
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Disclaimer: All calculators are for indicative/educational purposes only. Tax laws and rates are subject to change. Please consult a qualified CA/CS for exact figures applicable to your situation. Company Avenue Advisory is not liable for decisions made solely based on these tool outputs.

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