learn.howToCalculate
learn.whatIsHeading
Fixture Unit Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.
Formula
Total DFU = Σ Fixture Unit Values per fixture type
Guida passo passo
- 1Count all plumbing fixtures, assign DFU from IPC table, sum
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
Esempi risolti
Ingresso
2 toilets (4ea) + 3 sinks (1ea) + 1 tub (2)
Risultato
Total DFU = 8 + 3 + 2 = 13 DFU
Errori comuni da evitare
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
Pronto per calcolare? Prova la calcolatrice gratuita di Fixture Unit (DFU)
Provalo tu stesso →