33 free calculators and checkers. Nothing you type leaves your browser; every tool states the rule it applies and the date it was last checked. Use Copy link with these inputs on any result to share a calculation with a colleague.
Income tax & TDS
Advance tax & interest (s.424/425)
Instalment schedule, shortfall at each due date, and interest for deferment s.425 [234C] and default s.424 [234B].
New →Income tax & TDSForm 145 [15CA] / 146 [15CB] checker
Which part of Form 145 to file for a foreign remittance, whether a Form 146 CA certificate is needed, and the documents to keep.
New →Income tax & TDSOld vs new regime calculator
Tax year 2026-27 tax under both regimes side by side, with the deductions you need for the old regime to win.
New →Income tax & TDSTDS calculator: gross-up and already-paid
Normal deduction, grossing up a net payment, and the TDS inside an amount already paid.
Open →Income tax & TDSTDS code finder & calculator
Old 194-series section to the new s.393 payment code, with thresholds and the no-PAN rate.
Open →Income tax & TDSTDS interest & late filing fee
1% and 1.5% per-month interest counted the TRACES way, plus the ₹200-a-day return fee.
Open →GST
E-invoice & e-way bill checker
Whether e-invoicing applies, whether the 30-day IRP limit bites, and whether a consignment needs an e-way bill and for how long.
New →GSTGST late fee & interest
GSTR-3B, GSTR-1 and GSTR-9 with turnover caps and interest on the cash component.
Open →GSTGST reverse charge (RCM) checker
Search the RCM list for goods and services, then check if your transaction is under reverse charge, at what rate, and what paperwork follows.
New →GSTGSTR-2B vs purchase register
Match your purchase register with GSTR-2B in the browser: matched, mismatched, missing and probable matches, with CSV exports.
New →GSTITC reversal: Rule 42 & 43
Common-credit reversal for exempt and non-business use, the annual true-up with interest, and capital goods under Rule 43.
New →Companies Act & SEBI
ROC annual compliance calendar
Every annual MCA filing for a private, public, small or one person company, dated from the AGM: AOC-4, MGT-7, ADT-1, DPT-3, MSME-1, PAS-6 and more.
New →Companies Act & SEBIBoard meeting & AGM checker
Test board meeting dates against the 120-day and four-a-year rules, AGM and EGM clear-day notice, shorter-notice consent and quorum.
New →Companies Act & SEBIResolution type & MGT-14 finder
Search 47 corporate actions: board, ordinary or special resolution, the section, the form to file and whether MGT-14 is due.
New →Companies Act & SEBIRelated party transactions (s.188)
Whether a related party deal needs audit committee, board or members' approval under Rule 15(3), and who cannot vote.
New →Companies Act & SEBIManagerial remuneration (s.197, Sch. V)
The 11%, 5%, 10%, 1% and 3% limits on s.198 net profit, and the Schedule V effective-capital limits when profits are inadequate.
New →Companies Act & SEBIBorrowing & investment limits (s.180, s.186)
Section 180(1)(c) borrowing limit and section 186(2) loan, guarantee and investment limit, with headroom and whether a special resolution is needed.
New →Companies Act & SEBICompanies Act applicability checker
Enter capital, turnover, net worth, profit and borrowings to see which Companies Act 2013 requirements apply, with section and rule references.
New →Companies Act & SEBICSR obligation calculator
Section 135 applicability, 2% of average net profit, set-off of earlier excess spend, and where any unspent amount must go and by when.
New →Companies Act & SEBIMSME payment tracker (43B(h), MSME-1)
Paste your payables: s.15 due dates, s.16 interest, the s.37(2)(g) [43B(h)] add-back, MSME-1 data and s.22 disclosure figures.
New →Companies Act & SEBIROC filing fee & additional fee
Normal MCA filing fee by authorised capital, the additional fee for late filing, and the penalty the default can attract.
New →Companies Act & SEBISME IPO eligibility checker
Screen three years of numbers against SEBI ICDR Chapter IX, BSE SME and NSE Emerge, with FCFE and issue-structure caps.
New →Companies Act & SEBISME LODR toolkit
Reg 30 materiality threshold, Reg 23 applicability and material RPT limit, and SOP fines for late LODR filings by SME-listed companies.
New →FEMA, trade & banking
Bank guarantee cost vs surety bond
All-in annual cost of a bank guarantee with commission, charges, stamp duty, GST and FD margin, compared with an insurance surety bond.
New →FEMA, trade & bankingCustoms duty & landed cost
Assessable value from CIF or FOB, then BCD, SWS, AIDC and IGST, total landed cost and creditable IGST.
New →FEMA, trade & bankingFEMA due dates & batch tracker
Export realisation and import payment deadlines; paste a list of shipping bills or BoEs.
Open →FEMA, trade & bankingFEMA filing due dates & LSF
FC-GPR, FC-TRS, ESOP, DI, LLP, ECB, ODI and FLA due dates from the event date, with the late submission fee.
New →Business finance
Break-even calculator
Break-even units and revenue, margin of safety, sales needed for a target profit and operating leverage, for one product or a mix of up to five.
New →Business financeDepreciation: Companies Act vs Income-tax
Schedule II SLM or WDV book depreciation beside tax WDV under s.33 [32], with the half-rate rule, additional depreciation and deferred tax.
New →Business financeDSCR & loan eligibility
Year-wise DSCR for a term loan, the maximum loan a target DSCR supports, and FOIR-based eligibility for individuals.
New →Business financeEMI & prepayment calculator
EMI, total interest and the full amortisation schedule, with a one-time or yearly prepayment.
New →Business financeGratuity calculator
Statutory gratuity under the Code on Social Security 2020 or the 1972 Act, the tax-free part, and a rough company provision estimate.
New →Business financeWorking capital cycle & drawing power
Cash conversion cycle, drawing power from a stock statement, and MPBF by the Tandon and Nayak methods.
New →Also on the site
- Compliance chart: every due date for an SME-listed company, worked out from today.
- SME listing compliance guides and the free SME IPO readiness course.
- Free templates: IPO tracker, MSME-1 working, TDS working, board resolutions, LODR policies.
- Notice guides, the glossary and close checklists.