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Generator Wattage Calculator

Generators Generator FAQ Wattage Calculator

Please Take Note: The watts listed below are estimaes only! Please check your appliances for your actual wattage needs. You can adjust the numbers if needed.

Tool / Appliance Running Watts Starting Watts

Home

× 75W Light Bulb
× Deep Freezer
× Sump Pump
× Refrigerator/Freezer
× Water Well Pump 1/3HP

Heating/Cooling

× Space Heater
× 14" Table Fan
× Ceiling Fan
× Furnace Fan Blower 1/2HP
× 10k BTU Window AC
× 20k BTU Window AC
× 10k BTU Central AC
× 24k BTU Central AC
× 40k BTU Central AC
× Heat Pump

Kitchen

× 1000W Microwave
× Coffee Maker
× Electric Stove (Single Element)
× Dishwasher (Hot Dry)

Family Room

× DVD/CD Player
× VCR
× Stereo Receiver
× 27" TV

Laundry Room

× Iron
× Washing Machine
× Electric Dryer
× Gas Dryer

Office Equipment

× PC w/ 17" Monitor
× Fax Machine
× Laser Printer
× Inkjet Printer
× Copy Machine

Other

× Security System
× AM/FM Clock Radio
× Grage Door Opener 1/2HP
× Hair Dryer 1250W
× 40Gal Elect. Water Heater

Do It Yourself Jobsite

× Halogen Worklight
× Airless Sprayer 1/3HP
× Reciprocating Saw
× Electric Drill 1/2HP
× 7-1/4" Circular Saw
× 10" Miter Saw
× 6" Planer/Joiner
× 10" Table/Radial Arm Saw
× Air Compressor 1-1/2HP

Add Your Own

Total Watts Required: ###

You need a generator that produces at least ### total watts and ### total starting watts.

Suggested Model

MG07002-7kW

Watts LP/NG 7,000W (LP) / 6,000W (NG)
Starting Watts LP/NG 10,500 (LP) / 9,000 (NG)
Operation Fully Automatic
Engine 504cc Extended Life Series™
Voltage 120/240V AC, Single Phase, 1.0 pf
Amps LP/NG 29.1 (LP) / 25 (NG)
Alternator Type Automatic Voltage Regulator
Oil Warmer Yes - Thermostatically Controlled (included)
Battery Warmer Yes (sold separately)
Full Pressure Lubrication Yes
Fuel Type Propane (LP Vapor), Natural Gas
Fuel Consumption† 
(at 1/2 Load )
33 FT3/HR Liquid Propane (LP), 
80 FT3/HR Natural Gas (NG)
Weekly Exerciser (Programmable) Yes
Sound Attenuation Lo Tone™ Muffler
Battery Charger Yes
Overcrank Protection Yes
Diagnostic Alerts with Remote System Status Low Battery, Low Oil Pressure, Low Voltage, Fail to Start, Low Frequency, Engine Overspeed, High Temperature and Transfer Switch
Dimensions 
(L x W x H)
32" x 34.25" x 38.5"
Weight 
(generator only)
299 lbs.
Main Line Circuit Breaker 30 Amp
Battery Requirements (not included) 33 Amp Hour, 12 Volt DC, 350 CCA, AGM
Total Harmonic Distortion Less than 5%
Limited Warranty 2 Years
NOTE: Natural gas fuel supply pressure at the generator’s fuel inlet port should be between 5 to 7 inches of water (in W.C.) at full load with all gas appliances turned on and operating. LP Gas fuel supply pressure should be 11 to 14 inches of water (in W.C.) at full load with all gas appliances turned on and operating.

† Fuel consumption rates are estimated based on normal operating conditions at ½ load. Generator operation may be greatly affected by elevation and the cycling operation of multiple electrical appliances – fuel flow rates may vary depending on these factors. Milbank reserves the right to make changes in specifications and features shown herein, or discontinue the product described at any time without notice or obligation.

Suggested Model

MG10001-10kW

Watts LP/NG 10,000W (LP) / 9,000W (NG)
Starting Watts LP/NG 12,500 (LP) / 11,250 (NG)
Operation Fully Automatic
Engine 570cc Vanguard™ V-Twin
Voltage 120/240V AC, Single Phase, 1.0 pf
Amps LP/NG 41.7 (LP) / 37.5 (NG)
Alternator Type Automatic Voltage Regulator
Oil Warmer Yes - Thermostatically Controlled (sold separately)
Battery Warmer Yes (sold separately)
Full Pressure Lubrication Yes
Fuel Type Propane (LP Vapor), Natural Gas
Fuel Consumption† 
(at 1/2 Load )
35 FT3/HR Liquid Propane (LP), 
84 FT3/HR Natural Gas (NG)
Weekly Exerciser (Programmable) Yes
Sound Attenuation Sound Shield™ Technology
Battery Charger Yes
Overcrank Protection Yes
Diagnostic Alerts with Remote System Status Low Battery, Low Oil Pressure, Low Voltage, Fail to Start, Low Frequency, Engine Overspeed, High Temperature and Transfer Switch
Dimensions 
(L x W x H)
32" x 34.25" x 38.5"
Weight 
(generator only)
335 lbs.
Main Line Circuit Breaker 50 Amp
Battery Requirements (not included) 33 Amp Hour, 12 Volt DC, 350 CCA, AGM
Total Harmonic Distortion Less than 5%
Limited Warranty 3 Years
NOTE: Natural gas fuel supply pressure at the generator’s fuel inlet port should be between 5 to 7 inches of water (in W.C.) at full load with all gas appliances turned on and operating. LP Gas fuel supply pressure should be 11 to 14 inches of water (in W.C.) at full load with all gas appliances turned on and operating.

† Fuel consumption rates are estimated based on normal operating conditions at ½ load. Generator operation may be greatly affected by elevation and the cycling operation of multiple electrical appliances – fuel flow rates may vary depending on these factors. Milbank reserves the right to make changes in specifications and features shown herein, or discontinue the product described at any time without notice or obligation.

Suggested Model

MG012001 - 12kW

Watts LP/NG 12,000W (LP) / 11,000W (NG)
Starting Watts LP/NG 15,000 (LP) / 13,750 (NG)
Operation Fully Automatic
Engine 627cc Vanguard™ V-Twin
Voltage 120/240V AC, 
Single Phase, 1.0 pf
Amps LP/NG 50 (LP) / 45.8 (NG)
Alternator Type Automatic Voltage Regulator
Oil Warmer Yes - Thermostatically Controlled (sold separately)
Battery Warmer Yes (sold separately)
Full Pressure Lubrication Yes
Fuel Type Propane (LP Vapor), Natural Gas
Fuel Consumption†
(at 1/2 Load )
41 FT3/HR Liquid Propane (LP), 
102 FT3/HR Natural Gas (NG)
Weekly Exerciser Yes
Sound Attenuation Sound Shield™ Technology
Sound Rating (normal operation) 65 dB
Battery Charger Yes
Overcrank Protection Yes
Diagnostic Alerts with Remote System Status Low Battery, Low Oil Pressure, Low Voltage, Fail to Start, Low Frequency, Engine Overspeed, High Temperature and Transfer Switch
Dimensions 
(L x W x H)
48.69" x 33.75" x 31.63"
Weight (generator only) 470 lbs.
Main Line Circuit Breaker 60 Amp
Battery Requirements (not included) 50 Amp Hour, 12 Volt DC, 600 CCA, AGM
Total Harmonic Distortion Less than 5%
Limited Warranty 4 Years

NOTE: Natural gas fuel supply pressure at the generator’s fuel inlet port should be between 5 to 7 inches of water (in W.C.) at full load with all gas appliances turned on and operating. LP Gas fuel supply pressure should be 11 to 14 inches of water (in W.C.) at full load with all gas appliances turned on and operating.

† Fuel consumption rates are estimated based on normal operating conditions at ½ load. Generator operation may be greatly affected by elevation and the cycling operation of multiple electrical appliances – fuel flow rates may vary depending on these factors. Milbank reserves the right to make changes in specifications and features shown herein, or discontinue the product described at any time without notice or obligation.

Suggested Model

MG15001 - 15kW

Watts LP/NG 15,000W (LP) / 14,000W (NG)
Starting Watts LP/NG 18,750 (LP) / 17,500 (NG)
Operation Fully Automatic
Engine 895cc Vanguard™ V-Twin
Voltage 120/240V AC, 
Single Phase, 1.0 pf
Amps LP/NG 62.5 (LP) / 58.3 (NG)
Alternator Type Automatic Voltage Regulator
Oil Warmer Yes - Thermostatically Controlled (sold separately)
Battery Warmer Yes (sold separately)
Full Pressure Lubrication Yes
Fuel Type Propane (LP Vapor), Natural Gas
Fuel Consumption†
(at 1/2 Load )
56 FT3/HR Liquid Propane (LP), 
126 FT3/HR Natural Gas (NG)
Weekly Exerciser Yes
Sound Attenuation Sound Shield™ Technology
Sound Rating (normal operation) 65 dB
Battery Charger Yes
Overcrank Protection Yes
Diagnostic Alerts with Remote System Status Low Battery, Low Oil Pressure, Low Voltage, Fail to Start, Low Frequency, Engine Overspeed, High Temperature and Transfer Switch
Dimensions 
(L x W x H)
48.69" x 33.75" x 31.63"
Weight (generator only) 544 lbs.
Main Line Circuit Breaker 70 Amp
Battery Requirements (not included) 50 Amp Hour, 12 Volt DC, 600 CCA, AGM
Total Harmonic Distortion Less than 5%
Limited Warranty 4 Years

NOTE: Natural gas fuel supply pressure at the generator’s fuel inlet port should be between 5 to 7 inches of water (in W.C.) at full load with all gas appliances turned on and operating. LP Gas fuel supply pressure should be 11 to 14 inches of water (in W.C.) at full load with all gas appliances turned on and operating.

† Fuel consumption rates are estimated based on normal operating conditions at ½ load. Generator operation may be greatly affected by elevation and the cycling operation of multiple electrical appliances – fuel flow rates may vary depending on these factors. Milbank reserves the right to make changes in specifications and features shown herein, or discontinue the product described at any time without notice or obligation.

Suggested Model

MG17001 - 17kW

Watts LP/NG 17,000W (LP) / 15,300W (NG)
Operation Fully Automatic
Engine 993cc Vanguard™ V-Twin
Voltage 120/240V AC, 
Single Phase, 1.0 pf
Amps LP/NG 67.0 (LP) / 60.0 (NG)
Alternator Type Automatic Voltage Regulator
Oil Warmer Yes - Thermostatically Controlled (sold separately)
Battery Warmer Yes (sold separately)
Full Pressure Lubrication Yes
Fuel Type Propane (LP Vapor), Natural Gas
Weekly Exerciser Yes
Sound Attenuation Sound Shield™ Technology
Sound Rating (normal operation) 68 dB
Battery Charger Yes
Overcrank Protection Yes
Diagnostic Alerts with Remote System Status Low Battery, Low Oil Pressure, Low Voltage, Fail to Start, Low Frequency, Engine Overspeed, High Temperature and Transfer Switch
Dimensions 
(L x W x H)
48.0" x 34.0" x 31.0"
Weight (generator only) 484 lbs.
Battery Requirements (not included) 50 Amp Hour, 12 Volt DC, 600 CCA, AGM
Total Harmonic Distortion Less than 5%
Limited Warranty 4 Years

NOTE: Natural gas fuel supply pressure at the generator’s fuel inlet port should be between 5 to 7 inches of water (in W.C.) at full load with all gas appliances turned on and operating. LP Gas fuel supply pressure should be 11 to 14 inches of water (in W.C.) at full load with all gas appliances turned on and operating.

† Fuel consumption rates are estimated based on normal operating conditions at ½ load. Generator operation may be greatly affected by elevation and the cycling operation of multiple electrical appliances – fuel flow rates may vary depending on these factors. Milbank reserves the right to make changes in specifications and features shown herein, or discontinue the product described at any time without notice or obligation.

Suggested Model

MG20003 - 20kW

Watts LP/NG 20,000W (LP) / 18,000W (NG)
Operation Fully Automatic
Engine 993cc Vanguard™ V-Twin
Voltage 120/240V AC, 
Single Phase, 1.0 pf
Amps LP/NG 83.3 (LP) / 75 (NG)
Alternator Type Automatic Voltage Regulator
Oil Warmer Yes - Thermostatically Controlled (sold separately)
Battery Warmer Yes (sold separately)
Full Pressure Lubrication Yes
Fuel Type Propane (LP Vapor), Natural Gas
Weekly Exerciser Yes
Sound Attenuation Sound Shield™ Technology
Sound Rating (normal operation) 68 dB
Battery Charger Yes
Overcrank Protection Yes
Diagnostic Alerts with Remote System Status Low Battery, Low Oil Pressure, Low Voltage, Fail to Start, Low Frequency, Engine Overspeed, High Temperature and Transfer Switch
Dimensions 
(L x W x H)
48.0" x 34.0" x 31.0"
Weight (generator only) 500 lbs.
Battery Requirements (not included) 50 Amp Hour, 12 Volt DC, 600 CCA, AGM
Total Harmonic Distortion Less than 5%
Limited Warranty 4 Years

NOTE: Natural gas fuel supply pressure at the generator’s fuel inlet port should be between 5 to 7 inches of water (in W.C.) at full load with all gas appliances turned on and operating. LP Gas fuel supply pressure should be 11 to 14 inches of water (in W.C.) at full load with all gas appliances turned on and operating.

† Fuel consumption rates are estimated based on normal operating conditions at ½ load. Generator operation may be greatly affected by elevation and the cycling operation of multiple electrical appliances – fuel flow rates may vary depending on these factors. Milbank reserves the right to make changes in specifications and features shown herein, or discontinue the product described at any time without notice or obligation.

Suggested Model

MG30001 - 30kW

Watts LP/NG 30,000W (LP) / 27,000W (NG)
Operation Fully Automatic
Engine GM Vortec 3.0L inline 4 cylinder
Operating RPM 1800 RPM
Voltage 120/240V AC, Single Phase, Electronic Regulation
Amps LP/NG 125 (LP) / 112.5 (NG)
Alternator Type 4-pole, brushless
Full Pressure Lubrication Yes
Fuel Type Propane (LP Vapor), Natural Gas
Fuel Consumption†
(at 1/2 Load )
92 FT3/HR Liquid Propane (LP) 259 FT3/HR Natural Gas (NG)
Weekly Exerciser Yes
Sound Attenuation Sound Shield™ Technology
Battery Charger Yes
Overcrank Protection Yes
Diagnostic Alerts with Remote System Status Low Battery, Low Oil Pressure, Low Voltage, Fail to Start, Low Frequency, Engine Overspeed, High Temperature and Transfer Switch
Dimensions 
(L x W x H)
84.5" x 39.5" x 41.5"
Weight 
(generator only)
1,800 lbs.
Main Line Circuit Breaker 150 Amp
Battery Requirements (not included) 55 Amp Hour, 12 Volt DC, 650 CCA, VRLA
Total Harmonic Distortion Less than 5%
Limited Warranty 4 Years

NOTE: Natural gas fuel supply pressure at the generator’s fuel inlet port should be between 5 to 7 inches of water (in W.C.) at full load with all gas appliances turned on and operating. LP Gas fuel supply pressure should be 11 to 14 inches of water (in W.C.) at full load with all gas appliances turned on and operating.

† Fuel consumption rates are estimated based on normal operating conditions at ½ load. Generator operation may be greatly affected by elevation and the cycling operation of multiple electrical appliances – fuel flow rates may vary depending on these factors. Milbank reserves the right to make changes in specifications and features shown herein, or discontinue the product described at any time without notice or obligation.

Suggested Model

MG45001 - 45kW

Watts LP/NG 45,000W (LP) / 45,000W (NG)
Operation Fully Automatic
Engine GM Vortec 5.0L V8
Operating RPM 1800 RPM
Voltage 120/240V AC, Single Phase, Electronic Regulation
Amps LP/NG 187.5 (LP) / 187.5 (NG)
Alternator Type 4-pole, brushless
Full Pressure Lubrication Yes
Fuel Type Propane (LP Vapor), Natural Gas
Fuel Consumption† 
(at 1/2 Load )
178 FT3/HR Liquid Propane (LP) 483 FT3/HR Natural Gas (NG)
Weekly Exerciser Yes
Sound Attenuation Sound Shield™ Technology
Battery Charger Yes
Overcrank Protection Yes
Diagnostic Alerts with Remote System Status Low Battery, Low Oil Pressure, Low Voltage, Fail to Start, Low Frequency, Engine Overspeed, High Temperature and Transfer Switch
Dimensions 
(L x W x H)
98.5" x 39.5" x 44"
Weight 
(generator only)
2,100 lbs.
Main Line Circuit Breaker 200 Amp
Battery Requirements (not included) 55 Amp Hour, 12 Volt DC, 650 CCA, VRLA
Total Harmonic Distortion Less than 5%
Limited Warranty 4 Years

NOTE: Natural gas fuel supply pressure at the generator’s fuel inlet port should be between 5 to 7 inches of water (in W.C.) at full load with all gas appliances turned on and operating. LP Gas fuel supply pressure should be 11 to 14 inches of water (in W.C.) at full load with all gas appliances turned on and operating.

† Fuel consumption rates are estimated based on normal operating conditions at ½ load. Generator operation may be greatly affected by elevation and the cycling operation of multiple electrical appliances – fuel flow rates may vary depending on these factors. Milbank reserves the right to make changes in specifications and features shown herein, or discontinue the product described at any time without notice or obligation.

You need a commercial-grade generator.

Call us @ 800-627-1660 for our Commercial Generators.