Construction
Triangle Footage Cost Calculator
Cost of a triangular area from base, height, and cost per ft².
Free to use — no sign-up or login.
Area
ft²
Total cost
Amortization schedule
| # | Date | Payment | Principal | Extra | Interest | Balance |
|---|---|---|---|---|---|---|
Triangle area is half of base times height. Base 20 ft and height 10 ft is 100.00 ft², and at $4.00 per ft² the cost is $400.00.
A round area is the circle footage cost calculator.
Area first, then price
Half of 20 ft times 10 ft is 100.00 ft². At $4.00 per ft² the cost is $400.00.
Unit price only
Height is the perpendicular to the base, not a slanted side. A known area with no base belongs on the footage cost page.
Worked example: triangle footage cost
Area 100.00 ft² at $4.00/ft² costs $400.00.
\[ A = \tfrac{1}{2}\times 20\times 10 \]
Frequently asked questions
What does the Triangle Footage Cost – Half Base Times Height measure?
Area 100.00 ft² at $4.00/ft² costs $400.00.
How many decimal places does Triangle Footage Cost – Half Base Times Height show?
Area 100.00 ft² at $4.00/ft² costs $400.00. Lengths, areas, volumes, and money use two decimals. Purchase counts are whole numbers.
Does Triangle Footage Cost – Half Base Times Height include waste?
The triangle page does not add waste. Use the perpendicular height, not the sloping edge.
Can Triangle Footage Cost – Half Base Times Height mix units?
No. Triangle Footage Cost – Half Base Times Height expects every input in the unit printed on its label.
Is Triangle Footage Cost – Half Base Times Height a code or structural check?
No. Triangle Footage Cost – Half Base Times Height is a quantity estimate. Local rules and site conditions stay outside the formula.
References
Assumptions and limitations
Triangle cost is half of base times height, times the unit price. Slanted sides are not a second height.