What every result keeps visible
- Formula ID, version, internal QA status and planning boundary.
- Inputs, assumptions, allowance and purchase-rounding effect.
- Editable estimate costs that remain distinct from material quantity.
7 tested tools in utilities
Utilities calculators
Transparent area, volume, 3-4-5 layout check, pipe gallons and unit-conversion baselines to set before moving into a material-specific calculator.
Formula-first tool library
Choose the right utilities calculator.
Square footage calculator
Rectangle, circle and triangle geometry with area, perimeter and simple-prism volume displayed in multiple units.
Open calculatorFeet to meters converter
Transparent source-to-target length conversion with side-by-side feet and metres equivalents.
Open calculatorTrench volume calculator
Geometric trench volume with an optional project-specific loose-volume or over-excavation factor and stated truck capacity.
Open calculatorAcreage calculator
Acres, square feet and hectares from a rectangular tract. Not a survey.
Open calculatorSlope calculator
Slope percent, ratio and angle from rise and run. Planning geometry only — not a drainage design.
Open calculator3-4-5 square calculator
Diagonal of a rectangle so a layout can be squared in the field. Planning geometry only.
Open calculatorPipe volume calculator
Pipe gallons and cubic feet from inside diameter and length. Not a flow or plumbing-code design.
Open calculatorCommon question
Are utilities purchase estimates?
These are transparent planning aids, not engineering, code, installation or final supplier specifications. Confirm actual job requirements before construction.