IPO Tools & Calculators
51 free interactive calculators for IPO investors. Everything runs in your browser — no sign-up, no data collection.
Application & Allotment
Size your bid, block the right amount, check your odds.
Allotment Probability CalculatorMost UsedEstimate your chances of IPO allotment based on subscription multiple and investor category, using historical data from 500+ past IPOs.IPO Application Amount CalculatorNewCalculate exact IPO application amount from price band, lot size and number of lots, plus the retail cap check.UPI Mandate & Blocked Amount CalculatorCalculate the exact amount your UPI mandate blocks for an IPO bid, and the approval deadline.Min & Max Retail Investment CalculatorFind the minimum and maximum amount a retail investor can apply for, based on lot size and the ₹2 lakh SEBI cap.Lot Size CalculatorWork out how many lots your budget can buy, total application amount and remaining balance.Anchor Investor Lock-in Date CalculatorNewFind when an IPO's anchor investor shares unlock — 50% after 30 days, the rest after 90 days, per SEBI rules.IPO Watchlist / Reminder BuilderNewBuild a personal watchlist of IPOs to track, sorted by each one's next key date — saved in your browser, no account needed.IPO Application Deadline CountdownNewLive countdown to an open IPO's bid-submission deadline, auto-filled from stored IPO data.IPO Portfolio Allocation PlannerNewPlan how to split your IPO budget across multiple open issues — cost per IPO, lots affordable and remaining budget.IPO Data SnapshotNewLook up an IPO's subscription multiples, latest GMP with its timestamp, and fresh issue vs OFS split in one place.Cut-off Price vs Bid Price CalculatorNewSee what happens when you bid at cut-off vs a specific price in an IPO's band — allotment price, blocked amount and refund.Shareholder Quota Eligibility CheckerNewCheck if you qualify for an IPO's shareholder reservation quota as an existing parent-company shareholder, based on the record date.Employee Quota Discount CalculatorNewCalculate an IPO's employee-quota discounted issue price, total cost and savings versus the public price.
Returns & Profit
Project listing gains and track actual return on investment.
Listing Gain CalculatorProject your expected listing price and profit per lot from the latest Grey Market Premium.Listing Day Profit/Loss CalculatorNewCalculate your real IPO listing-day profit or loss after STT, brokerage and DP charges.GMP to Listing Price EstimatorNewEstimate a stock's likely listing price and profit per lot from its current Grey Market Premium.IPO Return/ROI CalculatorNewCalculate your IPO investment return in absolute and annualized terms from issue price and holding period.IPO Investment ROI vs FD/Index CalculatorNewCompare your IPO investment's annualized return against a bank FD rate or an index return over the same holding period.
Tax & Charges
STT, brokerage, DP charges, capital gains and buyback tax.
IPO Capital Gains Tax CalculatorNewCalculate STCG or LTCG tax on an IPO share sale using current 20%/12.5% rates and the ₹1.25 lakh LTCG exemption.IPO Buyback Tax CalculatorNewCalculate tax on buyback proceeds under the current capital-gains regime, including the promoter surcharge.Net Proceeds Calculator (STT + Brokerage + DP)NewCalculate net proceeds from selling shares after STT, brokerage and DP charges, with a full cost breakdown.
HNI & Funding
NBFC-funded bidding cost and break-even math.
Valuation & Fundamentals
P/E, EPS, market cap, RoNW and other fundamental metrics for IPO analysis.
IPO P/E Ratio CalculatorNewCalculate an IPO's Price-to-Earnings ratio from EPS and issue price, and compare it against listed peers.IPO EPS Calculator (Pre & Post Issue)NewCalculate an IPO's pre-issue and post-issue (diluted) EPS from PAT and share count.IPO Issue Size Calculator (Fresh Issue + OFS)NewBreak down an IPO's total issue size into fresh issue and OFS, with shares offered in each.IPO Market Cap CalculatorNewCalculate an IPO's implied market capitalisation at issue price and current price from total shares outstanding.IPO RoNW / ROE CalculatorNewCalculate Return on Net Worth from PAT and net worth, and compare against the DRHP's stated figure.IPO Fair Value Estimator (Peer P/E Method)NewEstimate an IPO's implied fair value from EPS and peer average P/E, and see the premium or discount to issue price.IPO Peer Comparison CalculatorNewCompare an IPO's P/E, EPS and RoNW side by side against up to 3 listed peers.IPO Promoter Holding Dilution CalculatorNewCalculate how much promoter shareholding dilutes from pre-issue to post-issue in an IPO.Debt-to-Equity Ratio CalculatorNewCalculate a company's Debt-to-Equity ratio from total debt and net worth, with a plain-language leverage read.
Comparison Tools
Put IPOs side by side before you decide.
Beyond IPO
Gold rate, loan, purity and investment calculators.
Gold Rate CalculatorGoldCalculate gold jewellery price for any weight and karat (22K, 24K, 18K) including making charges and 3% GST.Gold Loan EMI CalculatorGoldCalculate eligible loan amount, monthly EMI and total interest on a gold loan.Gold Investment CalculatorGoldProject the future value of a monthly Gold SIP or one-time lump-sum at expected CAGR.Gold Purity CalculatorGoldConvert gold karat (9K to 24K) to purity percentage and BIS hallmark.
SME IPO Tools
Lot size, minimum investment, migration eligibility and market-maker rules specific to SME IPOs.
SME IPO Lot Size CalculatorNewCalculate SME IPO lot value and how many lots your budget can buy — SME lot sizes are set much larger than mainboard IPOs.SME IPO Minimum Investment CalculatorNewFind the minimum amount you need to invest in an SME IPO under SEBI's ₹2 lakh minimum application rule.SME vs Mainboard IPO ComparisonNewCompare SME and Mainboard IPO rules side by side — eligibility, minimum investment, lock-in, market making and disclosure norms.SME to Mainboard Migration Eligibility CheckerNewCheck whether an SME-listed company meets NSE Emerge/BSE SME's current criteria to migrate to the mainboard.SME Market-Maker Obligation CalculatorNewUnderstand an SME IPO's mandatory 3-year market-making obligation, quote-time requirement and reserved inventory.
Corporate Actions
Buyback, rights issue, bonus shares, dividends, NCDs, OFS and delisting calculators.
Buyback Acceptance Ratio CalculatorNewEstimate how many of your tendered shares a company's buyback will accept, based on the 15% small-shareholder reservation.Rights Issue Entitlement CalculatorNewCalculate how many new shares you're entitled to in a rights issue, the investment required, and the theoretical ex-rights price.Rights Renunciation Value CalculatorNewEstimate the market value of your rights entitlement if you renounce (sell) it instead of subscribing.Bonus Share / Stock Split Adjusted Price CalculatorNewCalculate your post-bonus or post-split share count and the adjusted price after a bonus issue or stock split.NCD Yield / Effective Return CalculatorNewCalculate an NCD's current yield and approximate yield to maturity from coupon rate, face value and purchase price.Dividend Yield CalculatorNewCalculate a stock's dividend yield from dividend per share and market price, with the current TDS threshold noted.OFS Discount CalculatorNewCalculate the discount an Offer for Sale floor price and retail discount represent versus the previous closing price.Delisting / Reverse Book-Building CalculatorNewCheck whether a voluntary delisting tender crosses SEBI's 90% (or reduced 75% counter-offer) success threshold.