Tender Bid Calculator

Calculate SLT (Single Largest Tender) thresholds based on Bangladesh Public Procurement Rules

Cost Estimate & Index

Official Cost Estimate (OCE)

৳

NPPI Index Value

Bidder Quotes

Add or manage bidder information

Bidder Name

Quoted Amount (৳)

Discount (%)

Discounted Amount

৳ 902,500

Bidder Name

Quoted Amount (৳)

Discount (%)

Discounted Amount

৳ 1,050,000

Bidder Name

Quoted Amount (৳)

Discount (%)

Discounted Amount

৳ 810,000

Calculations

Simple Average (xᵢ)

৳ 920,833

x_NPPI (OCE × NPPI Index)

৳ 918,000

Weighted Average (x̄)

0.5 × ৳ 920,833

+ 0.2 × ৳ 1,000,000

+ 0.3 × ৳ 918,000

৳ 935,817

Standard Deviation

৳ 99,963

SLT Threshold

x̄ − SD = ৳ 935,817 − ৳ 99,963

৳ 835,854

Ranked Bidders & Results

Rank	Bidder Name	Discount %	Discounted Amount	Status
1	Bidder C	10%	৳ 810,000	❌ SLT Disqualified
2	Bidder A	5%	৳ 902,500	🏆 Winner
3	Bidder B	0%	৳ 1,050,000	✅ Responsive

Procurement Summary

Weighted Average Price

৳ 935,817

Standard Deviation

৳ 99,963

SLT Threshold

৳ 835,854

Selected Winner

Bidder A

Winning Bid Amount

৳ 902,500