Free CS calculators for Indian companies
Working calculators for ROC late fees, GST returns, DIN KYC, MSME classification, company registration cost, TDS rates and stamp duty. Values current to May 2026.
ROC Late Filing Fee Calculator
Compute MCA additional fees on AOC-4, MGT-7, DIR-3, INC-22 and other forms when filed past the due date.
GST Late Fee & Interest Calculator
Late fee and interest on GSTR-3B, GSTR-1, GSTR-9 and GSTR-4 — broken down into CGST and SGST.
DIN KYC Late Fee Calculator
Check the penalty for late DIR-3 KYC filing and whether your DIN will be deactivated.
MSME Classification Tool
Classify an enterprise as Micro, Small or Medium under the 2020 composite criteria of investment AND turnover.
Company Registration Cost Estimator
Estimate the all-in cost of registering a Private Limited Company, OPC, or LLP — including MCA fees, stamp duty, DSC and DIN.
TDS Rate Finder & Calculator
Look up the applicable TDS rate by section (194A through 194Q) and compute the deduction with threshold validation.
Stamp Duty Calculator
State-wise stamp duty on share transfers, MOA & AOA, loan agreements and lease deeds.
GST Calculator
Add or remove GST at any slab and see the CGST / SGST (intra-state) or IGST (inter-state) split instantly.
Gratuity Calculator
Compute gratuity payable under the Payment of Gratuity Act, 1972 — with the ₹20 lakh exemption cap.
HRA Exemption Calculator
Find your tax-exempt House Rent Allowance under Section 10(13A) — the least of the three statutory limits.
Income Tax Calculator (FY 2026-27)
Compare your tax under the Old vs New regime for AY 2027-28, with standard deduction, 87A rebate and 4% cess.
Calculator values are current to May 2026 and intended for guidance. For binding advice on filings or penalties, consult a practising Company Secretary.