Glossary of
Boiler-Related Terms

Calculations & Conversions

Frequently
Asked Questions

Boiler Care

Boiler Primer

To Find

• Amps when HP is known
• Amps when KW is known
• Amps when KVA is known
• Kilowatts
• Kilovolt-Amps
• Horsepower

Direct Current

• (HP * 746)/(E * Eff)
• (KW*1000)/E
• N/A
• (I * E) / 1000
• N/A
• (I * E * Eff) /746)

AC/1phase All Voltages

• (HP * 746)/(E * Eff * PF)
• (KW * 1000) / (E * PF)
• (KVA * 1000) / E
• (I * E * PF) / 1000
• (I * E)/ 1000
• (I * E * Eff * PF)/746

AC/3phase All Voltages

• (HP * 756)/(1.73 * E * Eff * PF)
• (KW * 1000) / (1.73 * E * PF)
• (KVA * 1000) / (1.73 * E)
• (I * E * 1.73 * PF) / 1000
• (I * E * 1.73) / 1000
• (I * E * Eff * 1.73 * PF) / 746

Electrical Variables

• E = Voltage
• I = Amps
• W = Watts
• PF = Power Factor
• Eff = Efficiency
• HP = Horsepower