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Both calculators run independently — change the inputs on either side to compare results.
Civil
Stormwater Runoff Calculator
Compute peak stormwater runoff flow rate in cubic feet per second using the Rational Method (Q = CiA). Used by engineers to size drainage infrastructure like storm sewers, channels, and detention basins.
Fill in the required fields to see your result.
Civil
Construction Cost Estimator
Estimate the total construction cost of a building by combining floor area, building type rate, location, and design complexity. Useful for early-stage project budgeting before detailed drawings are available.
Fill in the required fields to see your result.
Key differences
| Stormwater Runoff Calculator | Construction Cost Estimator | |
|---|---|---|
| Category | Civil | Civil |
| Inputs required | 3 | 5 |
| Result | Peak Runoff Rate (cubic feet per second) | Estimated Construction Cost ($) |
| What it does | Compute peak stormwater runoff flow rate in cubic feet per second using the Rational Method (Q = CiA). Used by engineers to size drainage infrastructure like storm sewers, channels, and detention basins. | Estimate the total construction cost of a building by combining floor area, building type rate, location, and design complexity. Useful for early-stage project budgeting before detailed drawings are available. |