The Best watts calculator of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best watts calculator of 2022. Check our ranking below.
2,971 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
- Track Energy Costs in Real-Time & Save Money – Automatically calculates electricity expenses with customizable rates (0-99.99/kWh), monitors volts, amps, watts, and frequency, and identifies energy-hungry appliances to reduce your power bill
- Large Backlit Display for Effortless Reading – Features a wide-angle LCD screen with bright backlighting to view energy stats clearly, even in dark basements, garages, or nighttime use
- 90-Day Data Memory & Overload Protection – Built-in battery backup preserves usage history during outages, while fire-resistant design and overload alerts ensure safety for TVs, ACs, and appliances
- Compact & Space-Saving Design – Occupies only 1 outlet slot, leaving adjacent plugs free. Portable for checking fridge, washer, or HVAC efficiency anywhere in your 110-130V home
- Professional-Grade Accuracy – Class 1.0 certified with ±0.1W precision to measure 0-15A/1,950W devices. Track cumulative kWh, peak usage, and runtime (up to 9,999 days) for smarter energy habits
Rank No. #2
WILAWELS Watt Meter, Power Meter, Auto Cost Calculator with Backlight, Kilowatt Wattage, Electricity Usage Monitor, Energy Consumption, Kill a Watt, 7 Modes Display, B01WM05
- This power monitor has 7 adjustable modes to comprehensively monitor current, hertz, minimum/maximum power, accumulated energy usage, and electricity cost, providing you with reliable data at a precision of up to 1.0
- Large LCD Screen: The home energy monitor comes with a large backlight LCD screen that facilitates easy reading of data even in the dark. Its 180° wide viewing angle allows for a user-friendly presentation of the data. Press any button to activate the screen, and the light effect lasts for 10 seconds
- 90-Day Data Memory Function: This power meter is equipped with a rechargeable backup battery, allowing for up to 90-day data retention even during an unexpected power outage or unplugging. Press the reset button to set the data to zero and recalculate as needed
- Compact and Durable: This power consumption monitor is exceptional with its compact design, allowing for effortless use in various settings while providing practical solutions for monitoring electrical appliances. Its shell is made of PC flame-retardant engineering materials, ensuring additional safety
- Compatible Plug: The watt meter is only compatible with the NEMA 5-15P plug and 5-15R socket. To use with other plugs, an adapter is required. Please note not to connect the power meter to a multi-plug outlet to measure multiple appliances at once to prevent short circuits
SaleRank No. #3
Suraielec Watt Meter, Plug-in Socket Power Meter, 90V-250V Wide Range, Backlit Large Display, Auto Cost Calculator, Overload Protection, Kilowatt Wattage Voltage AMP Tester, Electricity Usage Monitor
- Intuitive Electric Usage Monitoring: Measure power (W), volts, amps, frequency, power factor, max/min power (W), cumulative time, and energy (kWh) with this watt meter; Automatically calculate costs based on set prices and track home energy usage for efficient electricity savings; This watt hour meter makes managing your energy consumption easy
- 90-250 V Wide Voltage Range: The amp draw meter measures 90-250 Vac, 0-16 AMP, and 0-3680 Watt, with overload indication adjustable from 680 to 3680 W; Adhering to Class 1.0 accuracy standard with 0.1 W, 0.1 V, 0.001 A, and 0.001 kWh resolution, this watt power meter ensures precise readings
- Clear LCD Display with Backlight: The energy monitor plug features a wide-angle, clear-digit LCD display with backlight for easy reading and operation in dark environments; This wattage meter plug in provides excellent visibility
- 90 Days Long-Term Data Hold Memory: Equipped with a built-in rechargeable battery backup, this appliance power usage meter stores data for up to 90 days during power outages or when unplugged; The reset button restores all data to zero, making it a reliable wattage meter for long-term use
- Space-Saving Design: The compact design of this measure power usage device leaves the lower wall outlet accessible when plugged into the upper outlet; Made of high-quality fire-resistant material, this watt meter plug in is both safe and efficient; Ideal for those looking for a power meter plug, watt meter, or outlet meter
Rank No. #4
Upgraded Watt Meter Power Meter Plug Home Electricity Usage Monitor, Electrical Usage Monitor Consumption, Energy Voltage Amps Kill Meter with Backlight, Overload Protection, 7 Modes Display-With Cord
- Various Monitoring Parameters: The power energy meter 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. #5
Casio HS-8VA Mini 6-Function Calculator | Large 8-Digit LCD Display | Solar Powered with Battery Backup | Standard Function | Portable Pocket Size
- ULTRA-COMPACT DESIGN- Measuring just 4" x 2.25" x 0.3" and weighing in at only 1.23 oz, the HS-8VA is one of our smallest calculators, perfect for pockets, bags, desks and math on-the-go.
- BIG DISPLAY & EASY INPUT- 8-Digit LCD Display. Clear and easy-to-read screen ideal for everyday calculations at home, school, or office.
- GENERAL PURPOSE CALCULATOR – Ideal for a wide range of applications, from basic math to business and personal use, with memory keys for quick storage and recall.percentage, and square root.
- MEMORY KEYS- Features M+, M-, Memory Clear, and +/- key for efficient multi-step calculations.
- SOLAR WITH BATTERY BACK-UP – Reliable power with energy-efficient Solar Plus technology and battery back-up to keep you working without interruption.
SaleRank No. #6
Casio MS-80B Standard Function Desktop Calculator Silver
- MS-80B in Silver
- 8-digit desktop calculator
- Product_Type: Calculator
- Item Package Weight: 5.5 ounces
SaleRank No. #7
Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Blue Calculator Big Buttons, Mechanical Calculator, Calculators Desktop Calculator, Cute Calculator, Aesthetic Calculator Blue
- Mr. Pen 12-digit calculator is perfect for completing basic numerical calculations, making it ideal for office, primary school, market, or even home use. It features big, sensitive keys that are easy to press down and offer quick data entry.
- The mechanical switch buttons offer a responsive and satisfying click with each press, similar to a mechanical keyboard, improving the overall user experience and precision of data entry. Equipped with essential functions like memory recall, percentage calculation, and more, it meets a variety of computational needs.
- Mr. Pen calculator is portable and small in size at 6.2 x 4.4 inches, so it doesn't take up much desk space but is still comfortably sized for easy usage. It also has a large 12-digit display, rising its visibility from any angle.
- Operating on just one AAA battery (not included), this calculator is designed with an automatic shutdown feature that activates after 10 minutes of inactivity, conserving battery life and ensuring longevity.
- Mr. Pen calculator is the perfect tool for quickly dealing with everyday calculation problems in various settings such as schools, offices, or even at home! It offers a fast, efficient, and user-friendly experience that makes it an ideal choice for anyone looking for a reliable calculator.
Last update on 2024-10-17 / Affiliate links / Images from Amazon Product Advertising API
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- Brand Value: Every brand of watts calculator has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
- Features: What bells and whistles matter for an watts calculator?
- Specifications: How powerful they are can be measured.
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- Product Quality: You don’t always get what you pay for with an watts calculator, sometimes less, and sometimes more.
- Product Reliability: How sturdy and durable an watts calculator is should be an indication of how long it will work out for you.
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