Income tax, GST & finance calculators
40 free calculators built and reviewed by CA Prabhakar Kumar, updated for Budget 2026 and the Income-tax Act, 2025. They open on the VittSphere ONE calculator site; no sign-up is needed.
Showing 40 calculators
Income Tax Calculator
Old vs new regime, all income heads
HRA Exemption Calculator
Three-way minimum, 8-city 50% rule
Salary (CTC) Calculator
CTC to in-hand under both regimes
Capital Gains Calculator
Equity, MF, property, gold; STCG/LTCG
Advance Tax Calculator
Instalments and interest exposure
234A / 234B / 234C Interest Calculator
Interest for late return and short advance tax
TDS Calculator
Rates and thresholds by payment type
TDS on Property (26QB) Calculator
1% TDS on property purchase
F&O Tax Calculator
Turnover, business income and audit test
Crypto Tax Calculator
30% tax on VDA and 1% TDS
ESOP / RSU Tax Calculator
Perquisite at exercise, gains at sale
Perquisite Calculator
Car, accommodation and other perquisites
Salary Arrears Relief Calculator
Relief on arrears spread over years
Home Loan Tax Benefit Calculator
Interest and principal deductions
Section 80D Calculator
Health insurance deduction limits
Section 54 / 54F / 54EC Calculator
Capital gains exemptions on reinvestment
Gift Tax Calculator
When gifts become taxable income
Residential Status Calculator
Resident, RNOR or non-resident
LRS TCS Calculator
TCS on foreign remittances
HUF Tax Saving Calculator
Tax saving through an HUF
Section 44AD Calculator
Presumptive tax for small businesses
Section 44ADA Calculator
Presumptive tax for professionals
MSME Break-Even Calculator
Break-even units, revenue and margin of safety
Labour Code Salary Calculator
Wage definition and salary restructuring
Gratuity Calculator
Gratuity amount and tax exemption
GST Calculator
Inclusive/exclusive, CGST, SGST, IGST
GST Late Fee & Interest Calculator
Late fee and 18% interest
SIP Calculator
Monthly SIP maturity value
Step-up SIP Calculator
SIP with annual increase
Lumpsum Calculator
One-time investment growth
CAGR & XIRR Calculator
Annualised returns
Compound Interest Calculator
Growth at any compounding frequency
Fixed Deposit Calculator
FD maturity and interest
Recurring Deposit Calculator
RD maturity value
PPF Calculator
15-year PPF with extensions
Sukanya Samriddhi Calculator
SSY maturity projection
EPF Calculator
Provident fund corpus at retirement
NPS Calculator
Corpus, annuity and tax benefit
Retirement Corpus Calculator
How much you need to retire
EMI Calculator
Home, car and personal loan EMI
Calculated your tax and something looks off?
Numbers from a calculator are a starting point. Share your figures and get them checked before you file.
Frequently asked questions
Are these calculators free?
Are the calculators updated for the Income-tax Act, 2025?
Can I rely on a calculator result for filing?
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