Free Interactive Bidding Tools & Calculators
Empowering civil contractors, government bidders, and procurement teams with instant statutory bid capacity verification, EMD bank guarantee liquidity estimation, and BOQ profit margin calculators.
Bid Capacity Calculator (2AN-B)
Calculate your available statutory bidding capacity according to CPWD, NHAI, and state PWD norms with live qualification verdict and price indexation.
- Standard 2AN-B Formula
- Price Level Indexation (8% p.a.)
- Instant Eligibility Status
EMD & Bank Guarantee Cost Estimator
Estimate upfront Earnest Money Deposit (EMD), performance security, bank margin money locked, and bank commission financing cost with MSME exemption guidance.
- EMD Cash Outflow
- FD Margin Money Locked
- MSME / GFR 170 Exemption Tip
Tender Margin & BOQ Pricing Estimator
Compute your competitive tender quote by factoring in direct costs, overheads, risk contingency, price escalation, GST, and healthy profit margins.
- Direct vs Indirect Breakdown
- Risk & Contingency Allowance
- Under-Quoting Risk Alert
Standardized for CPWD, NHAI, Railways & State PWD Bids
In government and EPC procurement, technical disqualification due to faulty bid capacity calculation or inaccurate bank guarantee allocation can derail valuable contracts before financial opening. TenderZenith tools are calibrated against official Indian procurement guidelines and international FIDIC standards.
Search over 50,000+ active state, central, and multilateral tenders filtered by value.
Open Advanced Tender Search →Frequently Asked Questions
Everything you need to know about our free bidding tools and procurement calculators.
Are these bidding calculators completely free to use?
Yes, all calculators in the TenderZenith Bidding Tools Suite are 100% free with no registration required. You can calculate bid capacity, bank guarantees, and BOQ margins unlimited times.
Which procurement guidelines do these tools follow?
Our calculators strictly align with Indian Public Procurement norms including CPWD Manual 2024, NHAI Standard Bidding Documents, General Financial Rules (GFR 2017), and international FIDIC standards.
Can I pre-fill tender details into these calculators?
Yes! When viewing any tender notice on TenderZenith, simply click "Calculate Bid Capacity" in the sidebar to automatically pre-fill the estimated tender value and project tenure.