The Best wattage usage calculator of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best wattage usage calculator of 2023. Check our ranking below.
2,869 Reviews Scanned
SaleRank No. #1
SURAIELEC Watt Meter, Plug-in Socket Power Meter, Auto Cost Calculator, Backlit Large Display, Overload Protection, Kilowatt Wattage Voltage AMP Tester, Electricity Usage Electrical Energy Monitor
- 【 Monitoring Electric Usage and Know Cost Intuitively 】 Power consumption meter can measure power (W), volts, amps, frequency, power factor, maximum and minimum power (W), cumulative time and energy (kWh), and calculate cost automatically after price-setting; monitoring home energy usage and help you to save electricity cost
- 【 Large Clear LCD Display with Backlight 】 Electricity monitor kilowatt meter has a wide view angle and clear-digit display; easy to read and operate the electricity monitor in dark areas with the backlit clear LCD display
- 【 Long Time Data Hold Memory Function 】 Come with built-in rechargeable battery backup, the watt meter power analyzer can hold data up to 90 days when coming across a power outage or plugging out the meter from the outlet; all data includes the cost setting will go to zero once press the reset button
- 【 Potable and Takes up 1 Outlet Only 】 Compact size; power meter socket plug leaves the lower wall outlet available when plugging into the upper outlet; made of high-quality fire-resistant material; friendly after-sale customer service and 1-year limited warranty; Note: do not compatible with AC inverter and solar power inverter
- 【 3680W Overload Indication 】 This power monitor meter can measure 110-130 Vac & 200-240 Vac voltage (Note: Label on watt meter back only shows 110-130 Vac low volt range due to certification requirements); 0-16A AMP; 0-3680W wattage, and indicate overload when load up to 3680W; Class 1.0 accuracy standard with 0.1W, 0.1V, 0.001A and 0.001kWh resolution
Rank No. #2
IIVVERR AC 230V EU Plug Power Consumption Meter Energy Electronic Usage Watt Calculator Digital LCD Monitor (AC 230V Enchufe de la UE Medidor de consumo de energía Energía Uso electrónico Vatios Calcu
- Easily measure the power consumption and cost of your electrical appliances.
- Simply plug the meter into the and then plug your appliance into the meter.
- With the help of this Power Meter Monitor, You can make certain how much your standby appliances cost
- The appliances are really charged, and how long have your appliances been charged.
- If an abnormal display appears or the buttons produce no response, the instrument must be reset. (Si
Rank No. #4
TechBee Plug-in Electrical Meter Socket Electricity Usage Monitor Electric Power Consumption Tester Energy Cost Calculator, 11 Display Modes with Watt, kWh, Volt, Amp, CO₂, Overload Alarm...
- Energy-saving and environmental protection: The Techbee digital energy meter helps you measure power consumption and calculate total energy costs, enabling rational planning of electricity consumption to promote energy-saving and environmental protection.
- Multi-functional Monitor : With 11 monitoring modes, this power meter provides detailed information on power, amperage, voltage, frequency, power factor, and CO₂ emissions. It allows you to accurately track and calculate electricity costs, ensuring every penny is accounted for.
- Multi-layer protection: The meter is equipped with warning indicators that flash on the screen and LED indicators when power, energy cost, or consumption exceed the preset value. This feature provides extra protection for your home and appliances. The default overload power limit is set at 3680W, before utilizing the energy meter, it is recommended to set the overload power to 1800W.
- User-friendly display: The large and easy-to-read display, set at a 45-degree angle for optimal visibility, ensures clear digit presentation. The measurement data can easily be deleted without impacting the settings, enhancing user convenience.
- Important Note: A transparent protective film is present on the screen, which can be removed or kept according to preference. If the buttons are unresponsive or the screen remains blank, plugging the meter into a socket will resolve the issue. With 1-year warranty and lifetime customer service, you can purchase this energy cost meter with confidence.
SaleRank No. #5
Upgraded Watt Power Meter Plug Home Electrical Usage Monitor Consumption, Energy Voltage Amps Kill Tester with Backlight, Overload Protection, 7 Modes Display
- 【Various Monitoring Parameters】: The power meter plug can monitor the power (W), energy (kWh), volts, amps, hertz, power factor, cost, minimum and maximum power (W), cumulative days and time of your appliances. By switching 7 display modes, you can easily know the various parameters while the appliance is working. The home energy monitor can also calculate and display how much power your appliance uses and how much electricity bill it cost in cumulative time.
- 【Upgraded LCD display】: With large screen size 2.36 inch x 1.85 inch, clearer monitor backlit, our electrical usage monitor can display the data clearer and more visible no matter day or night. 180°full wide viewing angles is great for reading and recording the data in any angles. No need to stand on the front of the display and bend over to read the numbers.
- 【Adjustable Backlight Time】: Our upgraded watt meter has 5 options of backlight time. The default backlight time duration is 10 minutes(bL-0). If you want to change the backlight time, you can press and hold "UP" and "DOWN" button at the same time to enter backlight time setting, then press "UP" and "DOWN" to select the backlight time (bL-0 =10 minutes, bL-1=1 hour, bL-2=4 hours, bL-3=8 hours, bL-4=always on), finally press the "COST" to save the backlight time settings.
- 【Overload protection】: When the power of the appliance exceeds the overload power, the LCD will display “OVERLOAD” to warn the user. All the buttons will quit working and can only be workable when you lower or remove the load power. The default overload power is 3680W and is adjustable from 0 to 3680W. In general, you need to set the overload power to 1800W before using. Just press the "function" button for more than 3 seconds to enter the setting.
- 【Data Memory Function】: The wattage meter will record your power consumption data when you remove it from socket, or remove appliances from the electricity monitor. You can directly see the last data when you use it next time. This function can also automatically save the data when there is a sudden power failure.
Rank No. #6
kuman KW47-US Electricity Usage Monitor Plug Power Watt Voltage Amps Meter with Digital LCD, Overload Protection and 7 Display Modes for Energy Saving (NO-Backlight), white
- Electricity usage monitor: Monitor is the killer of the high-cost energy appliance, helping you lower power consumption and save money.
- Digital LCD Display: Large clear LCD display for easy reading, the screen size is 47cmx60cm.
- Various Parameters: Power(W), Energy (kWh), Voltage, Amps, Power Factor, Cost and Minimum & Maximum Power, ideal for energy consumption monitor.
- Overload Protection: Once the whole power exceeds the rated power of monitor, LCD will display "OVERLOAD" with booming noise to remind the user
- Built-in Battery:With 3.6V rechargeable battery(NI-MH), It can store electricity. which allows meter to be moved and viewed without losing readings.
SaleRank No. #7
P3 P4400 Kill A Watt Electricity Usage Monitor
- Choose from the Kill-a-Watt's four settings to monitor your electrical usage
- Monitor your electrical usage by day, week, month, or year
- Features easy-to-read screen
- Electricity usage monitor connects to appliances and assesses efficiency
- Large LCD display counts consumption by the kilowatt-hour
SaleRank No. #8
Poniie PN1500 Portable Micro Electricity Usage Monitor Electrical Power Consumption Watt Meter Voltage Amp Tester (110V, 1500W))
- EASY TO USE: Counts consumption by Kilowatt-hours, choosing from 5 independent keys to quick access different power parameters
- REFINED ACCURACY: Built-in high precision current sensor. Ensures you the best accuracy-Class 1.0 with 0.01W, 0.1V and 0.01A resolution
- BACK-LIGHT & MEMORY: Clear backlight and large digital numbers, with circuit memory for cumulative kilowatt-hours & elapsing time
- PORTABLE KILOWATT METER: Compact size with start detection 0.20W, you can virtually monitor most standby or working power dissipation
- BUY WITH CONFIDENCE: 1-YEAR Warranty by Poniie; Full ABS fire retardant material housing; Note: do not compatible with solar power inverter
Rank No. #9
Upgraded Brighter LCD Display Night Vision Power Meter Plug, Power Consumption Monitor Energy Voltage Amps Electricity Usage Monitor, Overload Protection, 7 Display Modes for Energy Saving, Watt Meter
- 【Overload Protection】Overload warning displayed on LCD, when the whole power exceeds the rated power 1650W of monitor, LCD will display "OVERLOAD" with booming noise to warn the user, and automatically disconnect the power.
- 【Upgraded Digital LCD Display】 The power consumption monitor with a large clear backlit LCD display, full wide view clear visible, make it easy to read and record the data, especially in the darkness.
- 【Electricity Usage Monitor】With the help of this Power Meter Monitor, You can make certain how much your standby appliances cost, what the power factor is, whether the appliances are really charged, and how long have your appliances been charged.
- 【Wide Usage】This electricity usage monitor measures various parameters: power (W), energy (kWh), volts, amps, hertz, power factor and maximum power (W), time, days - kWh is vital as this is what your electricity bills are based on!
- 【Lifetime Warranty】 Fayleeko offers a 100% satisfaction guaranteed or your money back. If you have any question with the power meter, please feel free to contact us for details on how to set up and use the device.
SaleRank No. #10
BALDR U.S. Electricity Usage Monitor for Home - Kilowatt Meter Sockets - Watt Meter that Plugs into Appliances to Measure Energy Usage - Home Energy Monitor with Easy to Read Display - Power Monitor
- SAVE ON YOUR ENERGY BILL: Simply plug the power meter into your electric appliances to see how much electricity they are using. The monitor can measure various things like voltage, wattage, and CO2 usage in real-time. With this information, you can decide whether it's time to replace an old, inefficient appliance with a new, energy-efficient one. DUAL TARIFF model allows you setting two different electricity tariffs at different times, so to calculate your electricity costs more accurately.
- FUNCTIONAL PROTECTION FROM POWER OVERLOADS: Our energy usage meter features overload protection which will notify you if a unit is drawing more electricity than a circuit can safely handle. Text reading "overload" will blink on the screen of our energy consumption meter to warn you that the appliance needs to be immediately unplugged in order to prevent overheating. Protect your valuable appliance with our energy monitor outlet!
- EASY TO READ DISPLAY: Our electric meter has an extra large LCD screen with a clear digit display so that you can read the measurement from close or afar alike. Our digital wattage meter continues energy monitoring day and night so that you can make smart and informed decisions that can impact your energy usage.
- BUILT-IN BATTERY BACKUP: Our energy meter comes with a built-in battery backup feature that will save your electricity usage readings, cost readings, and all settings during the event of a power outage. We include two (2) 3.6V batteries with our energy monitoring outlet so that this function is ready to use right out of the box.
- EFFORTLESS TO RESET: The option to quickly, easily, and conveniently reset our energy usage monitor is available in the unlikely event that the buttons stop responding or the display appears abnormal. Just by pressing the small "reset" button located between the "energy" and "cost" buttons, you can reset our energy measurement device. It's that easy!
Rank No. #11
AC Current Voltage Amperage Power Energy Panel Meter LCD Digital Display Ammeter Voltmeter Multimeter with Split Core Current Transformer CT AC 80-260V 100A Multi-Function Power Monitor
- 1.Digital Multimeter:This power energy meter can measure and display voltage current active power energy frequency and power factor at the same time.with split current transformer,more convenient to install .
- 2.Overload Alarm function:Backlight and power will flash simultaneously to give an alarm when exceeding the preset value.You can preset power limit by yourself.
- 3.Automatic Data Storage Function:The last test data is stored automatically when the power supply abruptly lose. Don't worry about data loss due to sudden power outages.
- 4.One-touch Control:The button can be used to control the backlight,reset energy, preset power alarm limit.
- 5.LCD Display:Large-screen LCD with all sight 180° view,The blue backlight can be turned on/off manually.
Rank No. #12
2 Pieces AC Power Meter AC 80-260V 100A Crs-022b LCD Digital Current Voltage and Current Monitor Meter Power Voltmeter Ammeter with 100A Current Split Core Transformer CT
- Backlight control: the backlight can be turned on or off by shortly pressing the button, and the backlight state will be automatically saved when power off
- Power overload alarm function: if the power alarm threshold is exceeded, the backlight and power will flash at the same time and an alarm will be issued; You can set the power limit yourself
- 6-In-1 digital multi-meter: the large-screen display can display voltage, current, active power, accumulated energy, frequency, power factor at the same time, which is practical for use and can meet your various work needs
- Automatic data storage function: in the event of a sudden power failure, the last test data will be automatically saved; No need to worry about data loss due to sudden power failure
- Wide application: it can be applied in home appliances, high and low power distribution cabinets, inverter power supplies, electrical maintenance, assembly line testing and photovoltaic systems
SaleRank No. #13
Maxell LR44 (A76) Batteries, 10 Count (775011)
- An alkaline battery is a battery that uses manganese dioxide and zinc to create a reaction and it is an economical alternative to silver oxide batteries while still providing high capacity and long usage
- This is a primary cell battery and it is non-rechargeable
- This alkaline button cell battery provides long power life and excellent continuous power sources to your device
Rank No. #14
Power Meter Plug - Plug-in Socket Power Meter, Auto Cost Calculator, Portable LCD Display Watt Meter, Voltage Amps Electricity Usage Monitor for Home
- Digital LCD Display: The power consumption monitor is made of high-quality fire-resistant material and it with a large clear LCD display, full wide view clear visible. It's durable and easy to read.
- Memory Function: The home power monitor come with built-in rechargeable battery backup, the watt meter power analyzer can hold data up to 90 days when coming across a power outage or plugging out the meter from the outlet.
- Electricity Usage Monitor: With the help of this Power Meter Monitor, You can make certain how much your standby appliances cost, what the power factor is, whether the appliances are really charged, and how long have your appliances been charged.
- Wide Usage: This electricity usage monitor measures various parameters: power (W), energy (kWh), volts, amps, hertz, power factor and maximum power (W), time, days - kWh is vital as this is what your electricity bills are based on!
- Potable and Takes up 1 Outlet Only: The power meter socket plug with compact size and leaves the lower wall outlet available when plugging into the upper outlet.
SaleRank No. #15
CrocSee AC 80-260V 100A CRS-022B LCD Display Digital Current Voltage Power Energy Frequency Power Factor Multimeter Ammeter Voltmeter with 100A Split Core Current Transformer
- The meter can only measure the active power(real power). It doesn't show Apparent power. If you measure power from a DC-AC inverter, please make sure it's PURE SINE WAVE. Otherwise the meter can be burnt or melted.
- 6 in 1 Meter：The large clear screen can display voltage/ current/ active power/ cumulative energy/ frequency/ power factor at the same time.
- Easy to Read: The backlight can be turned on/off manually, easy to read in the dark or in bright light.
- Overload Alarm Feature: Backlight and power digits will flash when exceeding the preset power value.
- One Button Control: The button is designed to control the backlight, reset energy data, or preset power alarm threshold.
Rank No. #16
BUYSFORLIFE 30A AC Power Meter 120-240V Voltage Current LCD Display Digital Multimeter Watt Ammeter Voltmeter Monitor Active Energy Monitor EV Charge, ASIC & GPU Miners L6-30 Outlet, 5ft Cable & Plug
- ✅ 6-IN-1 AC COLOR LED DISPLAY FUNCTIONS: Watt meter panel is a Digital Voltmeter/Ammeter/Power Meter/Electric Energy Meter/Frequency Meter/Power Factor
- ✅ HEAVY DUTY WATTAGE USAGE METER: AC power meter voltage measure up to 30 amps compatible with 240-volt ac
- ✅ PLUG-N-PLAY: Plug in power meter have 5ft cord/whip with Twist-lock for versatile mounting and usage options
- ✅ EASY READ DISPLAY: Always-on color LCD display of home power meter is super bright for clear reading of ac voltage current, active power and electric quantity in any environment
- ✅ ACCURATE MEASURE: Power converter display updates 2 times per second with 1% ± 2 digits of accuracy
Rank No. #17
Poniie PN2000 Plug-in Kilowatt Electricity Usage Monitor Electrical Power Consumption Watt Meter Tester w/Extension Cord
- HIGH POWER WATT METER: Counts consumption by Kilowatt-hours, with high-power tolerance rated at Max.16A, compatible with 220v ac
- REFINED ACCURACY: Built-in high precision current sensor. Ensures you the best accuracy-Class 1.0 with 0.01W, 0.01V and 0.001A resolution
- BACK-LIGHT & MEMORY: With wide view angle, clear backlight large LCD Display and hold over circuit memory for cumulative kilowatt-hours
- PROFESSIONAL KILOWATT METER: Start detection 0.20W, you can virtually monitor standby or working power dissipation of all your electronics
- BUY WITH CONFIDENCE: 1-YEAR Warranty by Poniie; full ABS fire retardant material housing and comes with 14AWG heavy duty extension cord
Rank No. #18
KETOTEK Electricity Usage Monitor Plug Digital Watt Meter Electrical Power Consumption Meter LCD Display Energy Voltage Amps Meter Socket Overload Protection 1800W
- ✔ Multifunctional Power Meter: The KTEM02 is an easy-to-use electric meter that accurately measures the power consumption of home appliances and provides the real cost of the electricity consumed. With a large LCD display and a simple 5-button interface to toggle various parameters to monitor energy consumption and reduce electricity bills. Operating Voltage: 100~250VAC, 50/60Hz; Output: Max 15A/120V.
- ✔ Various Parameters: This energy monitor is used to monitor electricity consumption. With large LCD display, display Energy (kWh), Power (W), Current (A), Voltage (V), Frequency (Hz), Power Factor (PF), Cost, Maximum Power, Minimum Power, Operating Time, etc. The "Day" and "Hour) are only counted if the device works with a power of more than 2 watts.
- ✔ Multiple Protection: When load power, power consumption or electricity cost reach the defined value, "OVERLOAD", "KWh Alarm" or "Cost Alarm" flashes on the display and LED indicator to warn users and protect devices from damage.
- ✔ Easy to Use: 5 simple buttons are easy to use, and the LCD display is easy to read from any angle. It has storage data saving function in case of power failure. Also features a reset function and the ability to delete measurement data but retain setup parameters. Ideal for monitoring the energy consumption of household appliances.
- ✔ Suitable for a Variety of Devices: It is easily calculate the power consumption of devices. Such as computers, game consoles, printers, TVs, routers, ovens, bread machines, set top boxes, fans, air conditioners, DVDs, HiFi systems, etc.
Rank No. #19
KETOTEK Watt Meter Power Meter Plug Electricity Usage Monitor, Energy Monitor with Backlight, Kilowatt Meter Socket Outlet, Voltage Amps Power Consumption Meter, Overload Protection
- 【11 Monitoring Modes】This watt meter can accurately monitor your home appliances. The monitoring parameters include power (W), accumulated power consumption (kWh), voltage (V), frequency (Hz), current (A), CO2 emission (kgCO2), power factor, minimum and maximum power, cost of electricity, and cumulative time.
- 【Backlit LCD Screen】This power meter has a large and clear LCD screen with backlight. It is easy to read and operate in dark areas. Backlight duration is 10 minutes (default). Press DOWN button to turn off the backlight. Press any key to activate the backlight.
- 【Data Memory】KETOTEK electricity usage monitor has a built-in high-precision chip, which can save data automatically in case of power failure. Data is stored permanently. One key reset to delete all data. Use MODE+DOWN keys to delete measurement data, but retain measurement settings.
- 【Data Hold】You can remove this power monitor from the socket to adjust and view the data. It is suitable for various home appliances, including toasters, coffee makers, refrigerators, air conditioners, computers, game consoles, printers, TVs, hi-fi systems, ovens, etc.
- 【Multiple Protection】When the power, power consumption or energy cost reaches the set value, "OVERLOAD", "KWh ALARM" or "COST ALARM" flashes on the screen and LED indicators to warn the users. The default overload power is 3680W ( 0~3680W adjustable ). Ideal for monitoring the energy consumption of household appliances.
Rank No. #20
DROK AC Meter, AC 80-300V 100A Voltage Current Power Factor Frequency Electric Energy Monitor Ammeter Voltmeter Multimeter Tester 110V 220V Digital Color LCD Volt Amp Watt Detector Reader Panel
- 6-IN-1 MULTIMETER --- detect and display voltage, current, active power, battery electric energy, power frequency and power factor on 1 interface.
- MEASUREMENT RANGE --- voltage AC 80.0-300.0V; current 0-100A; power 0-30000W; Electric energy 0-99999kwh; frequency 45.0Hz-65.0Hz; power factor 0.00-1.00PF.
- DISPLAY --- digital LCD color display.
- DATA AUTO STORAGE --- when power off, the electric energy data will be stored and memorized automatically, can be reset.
- NOTE --- this meter can only be used for measuring 50-60Hz pure AC city electricity, it will be damaged if used to measure square wave, inverter output or modified sine wave circuit.
Last update on 2023-08-01 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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