Aisha K.
Mar 12, 2026
Clean layout and the results update instantly. Exactly what I needed for a quick planning check.
Construction & Bidding
Subcontractor Bid Comparison Calculator
Low bid = min(bids); spread = high − low; avg for context.
Side-by-side sub bid compare with low bid and spread. Planning estimates only — verify measurements and local codes on site.
Inputs
05000000
05000000
05000000
Smart analysis
Recommendations
Tailored to your live inputs and result—guidance only, not professional advice.
- Interpret
Treat this as a planning estimate
Primary result: Low bid = $18,000.00. Re-run with optimistic and pessimistic inputs to understand the range—not just a single point.
Scenario studio
Compare A vs B
Capture two sets of inputs on this device, then see which outcome wins. Share either scenario with a link.
Scenario A
Adjust inputs, then capture this slot.
Scenario B
Adjust inputs, then capture this slot.
Plain-English guide
Terms & how it works
Confused by a field? Read the short definitions here while you use the tool.
Bid 1
The “Bid 1 ($)” value used in this tool’s formula. Adjust it to see results update live.
Bid 2
The “Bid 2 ($)” value used in this tool’s formula. Adjust it to see results update live.
Bid 3
The “Bid 3 ($)” value used in this tool’s formula. Adjust it to see results update live.
- bid1
Bid 1 ($)
The “Bid 1 ($)” field. Default 18000; typical range 0–5000000.
- bid2
Bid 2 ($)
The “Bid 2 ($)” field. Default 21000; typical range 0–5000000.
- bid3
Bid 3 ($)
The “Bid 3 ($)” field. Default 19500; typical range 0–5000000.
How this calculator works
Side-by-side sub bid compare with low bid and spread. Planning estimates only — verify measurements and local codes on site. Low bid = min(bids); spread = high − low; avg for context. Example: Bids $18k, $21k, $19.5k → low $18k, spread $3k.
Low bid = min(bids); spread = high − low; avg for context.
Example: Bids $18k, $21k, $19.5k → low $18k, spread $3k.
When to use this Subcontractor Bid Compare
Common use cases
- Side-by-side sub bid compare with low bid and spread.
- Sanity-check with this case: Bids $18k, $21k, $19.5k → low $18k, spread $3k.
- The relationship is: Low bid = min(bids); spread = high − low; avg for context.
Localized examples
- Construction & Bidding: the example on this page uses the same formula as the widget.
What you get
- Fields: Bid 1 ($), Bid 2 ($), Bid 3 ($)
- Low bid = min(bids); spread = high − low; avg for context.
- Example on the page: Bids $18k, $21k, $19.5k → low $18k, spread $3k.
How to Calculate Subcontractor Bid Compare Step-by-Step
- 1Enter Bid 1 ($), Bid 2 ($), Bid 3 ($). Use the values you have, not a catalog average, unless that is all you know.
- 2Low bid = min(bids); spread = high − low; avg for context.
- 3Worked case: Bids $18k, $21k, $19.5k → low $18k, spread $3k.
- 4Buy materials after you walk the job. This is a first-pass quantity, not a purchase order.
Governing formula
Low bid = min(bids); spread = high − low; avg for context.
Bids $18k, $21k, $19.5k → low $18k, spread $3k.
Example: set Bid 1 ($) = 18,000, Bid 2 ($) = 21,000, Bid 3 ($) = 19,500, then read the result.
Variable definitions
- bid1
Bid 1 ($)
The “Bid 1 ($)” field. Default 18000; typical range 0–5000000.
- bid2
Bid 2 ($)
The “Bid 2 ($)” field. Default 21000; typical range 0–5000000.
- bid3
Bid 3 ($)
The “Bid 3 ($)” field. Default 19500; typical range 0–5000000.
- The takeoff (Low bid = min(bids); spread = high − low; avg for context.) ignores waste, code, and what you find when you open the wall. Measure twice on site.
- Nothing here is uploaded for the calculation itself.
Frequently Asked Questions
Low bid = min(bids); spread = high − low; avg for context.
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Community
Reviews & Ratings
See what others think about this tool, then leave your own rating to help improve CalculioHub.
4.8
out of 5.0
4 reviews
Daniel R.
Feb 28, 2026
Very usable on mobile. Would love a save/export option later, but the math feels solid.
Priya S.
Feb 3, 2026
The FAQ section answered my questions before I even had to search. Smooth dark mode too.
Marcus L.
Jan 19, 2026
Simple inputs, clear outputs. This replaced three bookmarks I used to juggle.
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