Calculator Mode
Formula Calculator
Appliance Load Builder
Unit Converter
Solve For
Watts (P)
Volts (V)
Amps (I)
Ohms (R)
Enter Known Values
Select any two known values to calculate the third.
V
A
Result
—W
Enter values to calculate
Quick Add from Library
All
HVAC
Kitchen
Laundry
Electronics
Lighting
Power Tools
EV/Charging
Solar/Off-Grid
Your Load List
Appliance Watts Surge W Hrs/Day Qty Wh/Day
Add Custom Appliance
Cost Settings
$/kWh
US average: $0.16/kWh. Check your utility bill for your actual rate.
days
Solar Settings (Optional)
hrs/day
US average: 4–5 peak sun hours per day.
W
%
Accounts for inverter losses, wiring, temperature derating.
Total Daily Energy
0Wh/day
0W continuous | 0W peak surge
Monthly kWh
0
kWh/month
Annual kWh
0
kWh/year
Monthly Cost
$0
@ $0.16/kWh
Annual Cost
$0
per year
Power Unit Converter
All Power Units
1,000W
Converted from your input
Watts
1,000
W
Kilowatts
1.000
kW
Megawatts
0.001
MW
Milliwatts
1,000,000
mW
Horsepower
1.341
hp
BTU/hour
3,412
BTU/hr
BTU/second
0.948
BTU/s
kJ/second
1.000
kJ/s
Calories/sec
238.9
cal/s
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