Tax & Income Tools
GST Tools
Business & Finance Tools
General Utility Tools
HRA Exemption Calculator
IT Act 1961: s.10(13A) read with Rule 2A · IT Act 2025: Sch. II — old regime only
Advance Tax & Interest Calculator — 234A / 234B / 234C
IT Act 1961: s.234A, 234B, 234C · IT Act 2025: s.423–425 · FY 2026-27 (AY 2027-28)
Advance tax actually paid (cumulative instalments, ₹)
Capital Gains Calculator — Shares, Property, Gold
IT Act 1961: s.111A, 112, 112A · IT Act 2025: s.196–198 · Rates per Finance (No. 2) Act 2024 for transfers on/after 23-07-2024
Partner Remuneration Calculator
IT Act 1961: s.40(b)(v) · IT Act 2025: s.198 · Limits as amended by Finance (No. 2) Act, 2024 (w.e.f. AY 2025-26)
TDS Calculator — Section-wise
IT Act 1961: s.192–196 series · IT Act 2025: s.393 (Tables) · Rates & thresholds per Finance Act 2025 (continued unchanged by Finance Act 2026), w.e.f. 01-04-2026
GST Calculator — Add or Remove GST
CGST Act 2017: s.9 · Exclusive ↔ Inclusive conversion with CGST/SGST/IGST split
GSTIN Validator
15-character structure check + state code + embedded PAN + checksum digit — fully offline
GST Late Fee & Interest Calculator
CGST Act 2017: s.47 (late fee) · s.50 (interest @18% p.a.) · caps per NN 19/2021-CT as amended
Reverse Charge (RCM) Ready Reckoner
CGST Act 2017: s.9(3) & s.9(4) · NN 13/2017-CT(R) & NN 4/2017-CT(R) as amended
| Supply | Supplier | Recipient liable | Rate |
|---|---|---|---|
| Goods Transport Agency (GTA) services | GTA (not opted for forward charge) | Factory, society, registered person, body corporate, firm | 5% (no ITC to GTA) |
| Legal services | Advocate / firm of advocates / senior advocate | Business entity | 18% |
| Services of arbitral tribunal | Arbitral tribunal | Business entity | 18% |
| Sponsorship services | Any person | Body corporate or partnership firm | 18% |
| Services by Central/State Govt, UT or local authority (excl. renting, post, aircraft/vessel, transport) | Government | Business entity | 18% |
| Renting of immovable property by Government | Government / local authority | Registered person | 18% |
| Director's services (other than employment) | Director | Company / body corporate | 18% |
| Insurance agent services | Insurance agent | Insurance company | 18% |
| Recovery agent services | Recovery agent | Bank / NBFC / financial institution | 18% |
| Security services (personnel) | Person other than body corporate | Registered person | 18% |
| Renting of motor vehicle (with cost of fuel) | Non-body-corporate charging 5% | Body corporate | 5% |
| Renting of residential dwelling | Any person | Registered person (for business) | 18% |
| Renting of commercial property (w.e.f. 10-10-2024) | Unregistered person | Registered person | 18% |
| Import of services | Supplier located outside India | Recipient in taxable territory | As applicable |
| Cashew nuts, not shelled or peeled | Agriculturist | Registered person | 5% |
| Raw cotton | Agriculturist | Registered person | 5% |
| Tobacco leaves | Agriculturist | Registered person | 5% |
| Metal scrap (w.e.f. 10-10-2024) | Unregistered person | Registered person | 18% |
Self-invoice required u/s 31(3)(f) for supplies from unregistered persons. RCM tax must be paid in cash; ITC available subject to s.16–17. Verify against the latest rate notifications before relying.
Composition Scheme — Eligibility & Tax
CGST Act 2017: s.10 · Rule 7, CGST Rules · Turnover limits: ₹1.5 crore goods (₹75 lakh special category states) / ₹50 lakh services u/s 10(2A)
EMI Calculator — Home, Car & Personal Loan
Reducing-balance method · EMI = P·i·(1+i)ⁿ ÷ [(1+i)ⁿ − 1]
SIP & Lumpsum Return Calculator
Future value projection at an assumed CAGR — not a guarantee of returns
FD / RD Maturity Calculator
Quarterly compounding (standard bank practice) · TDS u/s 194A where interest exceeds threshold
Gratuity & EPF Calculator
Payment of Gratuity Act 1972: s.4 · EPF & MP Act 1952 · exemption u/s 10(10)/10(11)-10(12) IT Act 1961 [Sch. II, IT Act 2025]
Amount in Words — Indian Format
Lakh / Crore convention for invoices, cheques and vouchers · Rule 46(l) CGST Rules recommends amount in words on tax invoices
Age Calculator
Exact age in years, months and days — useful for senior-citizen status, SCSS/PMVVY eligibility, school admissions
PAN / Aadhaar Format Validator
PAN structure per s.139A IT Act 1961 [s.262 IT Act 2025] · Aadhaar Verhoeff checksum — 100% offline, nothing is transmitted
Days Calculator & Compliance Due-Date Reckoner
FY 2026-27 (AY 2027-28) key statutory dates · IT Act 2025 in force w.e.f. 01-04-2026
Key due dates — FY 2026-27
| Compliance | Due date |
|---|---|
| Advance tax instalments (15% / 45% / 75% / 100%) | 15-06-2026 · 15-09-2026 · 15-12-2026 · 15-03-2027 |
| TDS deposit (monthly) | 7th of following month (30-04 for March) |
| TDS returns 24Q/26Q/27Q (Q1–Q4) | 31-07-2026 · 31-10-2026 · 31-01-2027 · 31-05-2027 |
| GSTR-1 (monthly) / GSTR-3B (monthly) | 11th / 20th of following month |
| CMP-08 (composition, quarterly) | 18th of month following quarter |
| GSTR-9 / 9C for FY 2026-27 | 31-12-2027 |
| Tax audit report (s.44AB) — AY 2027-28 | 30-09-2027 |
| ITR — non-audit / audit / TP | 31-07-2027 / 31-10-2027 / 30-11-2027 |
| Belated return | 31-12-2027 |
| Revised return (extended by Finance Act 2026; fee applies) | 31-03-2028 |
Dates are as per statute and may be extended by CBDT/CBIC notification — always verify current notifications before relying.
Percentage & Discount Calculator
Quick arithmetic — percentage of, percentage change, and discounted price