learn.howToCalculate
learn.whatIsHeading
Relative Humidity Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.
Formel
RH = (Partial Pressure of Water Vapor / Saturation Pressure) × 100
Steg-för-steg-guide
- 1Measure wet and dry bulb temperatures, look up from psychrometric chart
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
Lösta exempel
Ingång
70°F dry bulb, 60°F wet bulb
Resultat
RH ≈ 57% from psychrometric chart
Vanliga misstag att undvika
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
Redo att beräkna? Prova den kostnadsfria Humidity-kalkylatorn
Prova själv →