learn.howToCalculate
learn.whatIsHeading
Post Hole Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.
Fórmula
Hole Depth = 1/3 to 1/2 of post height (min 2 ft below frost line)
Guía paso a paso
- 1Determine post height, calculate hole depth, size for concrete
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
Ejemplos resueltos
Entrada
8 ft post, 3 ft frost line depth
Resultado
Hole Depth = max(8/3, 3) = 3 ft, 10 inch diameter
Errores comunes a evitar
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
learn.ctaText
Pruébalo tú mismo →