Multimeters · 31 compared side by side

Best Multimeters for Home and DIY in 2027

A digital multimeter tests outlets, batteries, fuses, switches and car electrics, and it is one of the most useful tools in any home toolbox. For general use, look for auto-ranging so you do not have to pick a range, True RMS for accurate AC readings, a CAT III safety rating for household circuits, and a backlit screen for dark panels. Display counts set how fine the readings are. We put 31 multimeters on one spec sheet so you can compare them side by side.

Quick answer

  • Best overall: KAIWEETS HT118A (#1, Best Score 73; display counts 6000 counts, safety rating CAT III 1000V)
  • Best for cars and home: AstroAI DM6000AR (#2, Best Score 72; display counts 6000 counts)
  • Biggest screen: ZMIWNIED F899L (#3, Best Score 73; display counts 6000 counts, safety rating CAT III 1000V)

Ranked from 31 multimeters that met our standard, compared on CAT safety rating, auto-ranging with AC/DC voltage and continuity, and max voltage.

Updated November 202658 reviewed · 31 met our standard13 specs comparedBy Comparabo editors

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Top picks

Best overall
#1
KAIWEETS HT118A

KAIWEETS HT118AKAIWEETS HT118A TRMS Multimeter

CAT III 1000V, True RMS, NCV and a flashlight.

Display counts
6000 counts
Safety rating
CAT III 1000V
Max current
10 A
Check price on Amazon
Best for cars and home
#2
AstroAI DM6000AR

AstroAI DM6000ARAstroAI DM6000AR TRMS multimeter

AstroAI True RMS with a kickstand and backlit screen.

Display counts
6000 counts
Safety rating
—
Max current
—
Check price on Amazon
Biggest screen
#3
ZMIWNIED F899L

ZMIWNIED F899LZMIWNIED FS899L multimeter

4.8 in backlit display with CAT III and CAT IV ratings.

Display counts
6000 counts
Safety rating
CAT III 1000V
Max current
10 A
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Comparison table

Swipe or scroll sideways to see every model.
Top 10 multimeters
Spec
#1
KAIWEETS HT118A
Best overallCheck price on Amazon
#2
AstroAI DM6000AR
Best for cars and homeCheck price on Amazon
#3
ZMIWNIED F899L
Biggest screenCheck price on Amazon
#4
ZMIWNIED FS899L-1
Color screen versionCheck price on Amazon
#5
FNIRSI DMT-99
Best for car electricsCheck price on Amazon
#6
Crenova B00KXX2OYY
Budget True RMSCheck price on Amazon
#7
DEASOMIYE T21D
Compact auto-rangingCheck price on Amazon
#8
ZMIWNIED FS899L
Third FS899L listingCheck price on Amazon
#9
ZOYI B0GWFDQ6S1
Highest resolutionCheck price on Amazon
#10
AstroAI ASIM4K0R
Simple 4000-count meterCheck price on Amazon
Best Scoreout of 10073727371706767676665
Display countscounts6000 counts6000 counts6000 counts6000 counts9999 counts6000 counts6000 counts6000 counts25000 counts (best in row)4000 counts
RangingAuto-rangingAuto-rangingAuto-rangingAuto-rangingAuto-rangingAuto-rangingAuto-rangingAuto-ranging—Auto-ranging
True RMSYesYesYesYesYesYesYesYesYesYes
Safety ratingCAT III 1000V (best in row)—CAT III 1000V (best in row)CAT III 1000V (best in row)—CAT III 600VCAT III 600VCAT III 1000V (best in row)CAT III 1000V (best in row)CAT III 600V
Max AC/DC voltageV——600 V—1000 V (best in row)——600 V1000 V (best in row)600 V
Max currentA10 A—10 A—10 A——10 A10 A10 A
Max resistanceMΩ60 MΩ—60 MΩ————60 MΩ250 MΩ (best in row)40 MΩ
Capacitance measurementYesYesYesYesYesYesYesYesYesYes
Temperature measurementYesYesYesYesYesYesYesYesYes—
Non-contact voltage detectionYes—YesYesYesYesYesYes—Yes
Battery test mode——————Yes——Yes
Backlit displayYesYesYes——YesYesYes—Yes
Weightlb1.21 lb1.17 lb——0.42 lb (best in row)1.21 lb0.66 lb—0.42 lb0.48 lb
Best in row— not published by the maker yet

How we chose

We reviewed 58 multimeters and kept only the 31 that pass every check below. Those are ranked by a Best Score built from spec fit for this job, sales rank.

Read the full method

In-depth reviews

These reviews are based on each multimeter's published specifications and listing information, in the order of our ranking.

Best overall

KAIWEETS HT118AKAIWEETS HT118A TRMS Multimeter

KAIWEETS HT118A, a safe all-rounder for home and car

Display counts
6000 counts
Max AC/DC voltage
—
Max current
10 A (best of the reviewed tools)
Weight
1.21 lb

The KAIWEETS HT118A leads our ranking. It is a 6000-count auto-ranging True RMS meter, so it picks the range for you and reads AC voltage accurately even on modern electronics. It measures up to 1000V DC and 750V AC, 10A AC/DC current and 60 MOhms resistance, plus capacitance and temperature.

Safety is a strong point. It is IEC rated CAT III 1000V and CAT IV 600V, with a double ceramic fuse and thermistor protection circuit to guard against burns. Non-contact voltage testing and a Live function warn you with sound and light before you touch a wire, which helps beginners avoid shocks.

LED lights on the input jacks show where to plug the leads for each dial setting, which prevents a common beginner mistake. A flashlight on the back helps in dark cabinets, and Min/Max/Average readings help with diagnostics. For a single meter that is safe, easy and capable enough for home and car work, it is the best pick here.

Pros

  • CAT III 1000V and CAT IV 600V
  • NCV and Live detection
  • Lit input jacks

Cons

  • 6000 counts, not the highest
  • Weight not listed
Buy it if
you want one safe meter for home and car work.
Skip it if
you need very high resolution for electronics.

VerdictThe best multimeter on this page for most people.

Best for cars and home

AstroAI DM6000ARAstroAI DM6000AR TRMS multimeter

AstroAI DM6000AR for everyday troubleshooting

Display counts
6000 counts
Max AC/DC voltage
—
Max current
—
Weight
1.17 lb

Second in our ranking, the AstroAI DM6000AR is a 6000-count auto-ranging True RMS meter. It measures AC/DC current and voltage, capacitance, frequency, duty cycle, resistance, diode, continuity and temperature, which covers most household and automotive checks.

Data hold, a large backlit LCD, auto shut-off and a kickstand make measurements easier, especially when you need both hands for the probes. AstroAI describes it as a partner for troubleshooting automotive and household electrical problems.

Double ceramic fuses, F600mA/250V and F10A/250V, protect the meter against overloads. It weighs 1.17 lb. A safety category rating and non-contact voltage are not listed in our data, so check the label before working on high-energy circuits. For car owners and DIYers who want a reliable, well-known meter, it is a solid choice and widely used. Its kickstand lets it stand on a bench or car fender while you hold both probes, and the large screen is easy to read at arm's length. It is a good first meter for anyone starting to work on their own car.

Pros

  • True RMS, auto-ranging
  • Kickstand and data hold
  • Double ceramic fuses

Cons

  • Safety rating not listed
  • No NCV listed
Buy it if
you troubleshoot cars and household gadgets.
Skip it if
you work in breaker panels often.

VerdictA dependable meter for everyday checks.

Biggest screen

ZMIWNIED F899LZMIWNIED FS899L multimeter

ZMIWNIED FS899L with a huge backlit screen

Display counts
6000 counts
Max AC/DC voltage
600 V
Max current
10 A (best of the reviewed tools)
Weight
—

The ZMIWNIED FS899L ranks third. Its standout feature is a 4.8 in backlit screen, much larger than most handheld meters, which makes readings easy in cramped panels and dim basements. It also has a built-in light.

It is a 6000-count True RMS auto-ranging meter with dual safety ratings of CAT III 1000V and CAT IV 600V. It measures AC/DC current and voltage, continuity, resistance up to 60 MΩ, capacitance and temperature, and is listed with a 600 V maximum voltage in our data.

ZMIWNIED aims it at everything from household outlets to industrial machinery. The brand has three similar FS899L listings on this page, so compare their features and pick the one that suits you. For anyone who struggles to read small screens, the large display is a real advantage. Battery type and weight are not listed.

Pros

  • 4.8 in backlit screen
  • CAT III and CAT IV ratings
  • True RMS

Cons

  • 600 V max in our data
  • Several similar listings
Buy it if
you want the easiest screen to read.
Skip it if
you want a compact pocket meter.

VerdictThe easiest-to-read meter in our top five.

Color screen version

ZMIWNIED FS899L-1ZMIWNIED FS899L multimeter

FS899L color screen version with a worklight

Display counts
6000 counts
Max AC/DC voltage
—
Max current
—
Weight
—

Fourth in our ranking, this ZMIWNIED FS899L-1 listing shares the 6000-count True RMS core and CAT.III 1000V and CAT.IV 600V ratings, with dual ceramic fuses and protection. Its difference is a 4.8-in high-definition color screen that ZMIWNIED says stays clear even in direct sunlight.

It handles HVAC temperature checks and NCV (Non-Contact Voltage) detection along with the usual voltage, current, resistance, continuity and capacitance tests. A worklight helps in dark spaces.

Because it is closely related to the third pick, choose between them on screen preference and availability. Maximum voltage and resistance are not listed in our data for this version. For users who like a color display that is easy to read outdoors, it is a good alternative. The worklight and bright screen make it a good fit for HVAC technicians and DIYers who work in attics, crawlspaces and outdoor units, where light is poor and sunlight glare is common.

Pros

  • Color screen readable in sunlight
  • NCV detection
  • CAT III and CAT IV

Cons

  • Limits not listed
  • Close copy of the third pick
Buy it if
you prefer a color display.
Skip it if
you want full published specs.

VerdictA color-screen take on the FS899L.

Best for car electrics

FNIRSI DMT-99FNIRSI DMT-99 TRMS multimeter

FNIRSI DMT-99 with waveforms for car diagnostics

Display counts
9999 counts (best of the reviewed tools)
Max AC/DC voltage
1000 V (best of the reviewed tools)
Max current
10 A (best of the reviewed tools)
Weight
0.42 lb (best of the reviewed tools)

The FNIRSI DMT-99 completes our top five. It has 9999 counts, higher resolution than the 6000-count meters above, and True RMS for accurate AC and DC readings. It is also rechargeable, so you do not need to buy batteries.

Auto-Mode identifies AC/DC voltage, resistance and continuity on its own, which is handy for beginners. The Graphic View plots voltage and current changes as a waveform, which helps spot dips and spikes when diagnosing car charging systems or sensors.

A 2.4 in HD TFT color screen with adjustable brightness is easy to read, and anti-burn protection guards the inputs. It measures up to 1000 V and 10 A and weighs just 0.42 lb. Its safety category is not listed in our data. For car enthusiasts who want more than basic readings, it offers features rarely found at this level. Charge it over USB between jobs, and it will be ready whenever a warning light comes on.

Pros

  • 9999 counts
  • Rechargeable
  • Waveform view

Cons

  • Safety category not listed
  • Small 2.4 in screen
Buy it if
you diagnose car electrics.
Skip it if
you mainly test household outlets.

VerdictThe most capable meter here for car work.

Best among the reviewed tools

Buying guide

Auto-ranging and True RMS

Auto-ranging meters select the range for you, which is easier and safer. True RMS gives accurate AC readings on modern electronics and motors.

Safety rating

For household wiring and panels, choose CAT III rated meters. CAT IV ratings cover service entrances. Fused current inputs protect the meter.

Counts and resolution

More counts mean finer readings. Meters here range from 3999 to 25000 counts. 6000 counts is plenty for home and car use.

Helpful extras

Non-contact voltage detection, backlit screens, flashlights, kickstands and data hold make real jobs easier.

FAQ

What multimeter should a beginner buy?

An auto-ranging, True RMS meter with a CAT III rating, like the KAIWEETS HT118A. Lit jacks and NCV help avoid mistakes.

Do I need a True RMS multimeter?

For accurate AC readings on modern electronics, motors and dimmers, yes. For simple battery and continuity checks, it matters less.

Can a multimeter test a car battery?

Yes. Set it to DC volts and read across the terminals. A healthy resting battery shows about 12.6 V.

What does CAT III mean on a multimeter?

It is a safety rating for measuring building wiring and panels. Higher categories protect against larger voltage spikes.

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Helpful guides

Top pick · #1KAIWEETS HT118A
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