how many watts in an amp

There isn’t a fixed number of watts “in” an amp – it always depends on the voltage (and, for AC, the power factor). The core formula is:

Watts PPP = Amps III × Volts VVV × Power factor (pf, usually between 0 and 1 for AC)

For simple cases:

• DC or resistive AC loads (pf ≈ 1):
  • P=I×VP=I×VP=I×V
• So:
  • At 120 V: 1 amp = 120 watts
  • At 230–240 V: 1 amp ≈ 230–240 watts
  • At 12 V: 1 amp = 12 watts

If you tell me the voltage (and whether it’s home AC, car 12 V, etc.), I can give a precise watt value for 1 amp in your situation.