F&O Tax Tools
Free, browser-based tools. Your data never leaves your device.
F&O turnover calculator
ICAI GN 2025 formula with option-premium anti-double-counting.
Audit applicability checker
7-scenario decision tree with the 44AD(4) trap built in.
Loss set-off checker
Which heads offset what, and whether you preserve carry forward.
ITR-3 vs ITR-4 checker
Which form actually applies for your situation.
More calculator guides
Long-tail workflowsOption turnover calculator
Calculate option trading turnover under ICAI GN 2025, including option-sale premium and anti-double-count handling.
Futures turnover calculator
Calculate futures turnover for tax audit checks using favourable and unfavourable differences, not full contract value.
Zerodha turnover calculator
Check Zerodha Tax P&L turnover against ICAI GN 2025, including tradewise vs segment-wise turnover and option premium treatment.
Tax audit penalty calculator
Estimate Section 271B penalty exposure for missing a required F&O tax audit: 0.5% of turnover or Rs. 1.5 lakh, whichever is lower.
F&O loss carry-forward calculator
Check whether your F&O business loss can be carried forward, how long it remains available, and what filing-deadline rule applies.
ITR form calculator for traders
Find the correct ITR form for F&O traders based on business income, presumptive 44AD eligibility, capital gains, and loss reporting.
Advance tax calculator for F&O traders
Estimate advance tax planning for F&O traders with business income, salary, capital gains, and volatile derivative profits.
Brokerage deduction calculator
Work out deductible F&O trading expenses: brokerage, STT/CTT, GST, exchange charges, SEBI fees, stamp duty, data, software, and interest.