Best Spirit Level UK: Box And Digital Levels For Builders
What is the best spirit level for builders?
For most builders one 120cm aluminium box level is the right first buy: long enough for a run of blocks or a window board, short enough to carry. Stanley's FATMAX XTREME, Kapro's 905 CONDOR and Hultafors' Aluminium HV are all listed at 0.5mm/m accuracy on their maker's pages. Add a digital level if you work to a stated angle or fall. Check the accuracy in the reversed position as well as the normal one, because a level you flip over to read a ceiling needs to be right both ways.
A spirit level checks a surface you can reach. For setting out across a room or a site, use a laser: see the best laser level for builders.
Key takeaways
- Stanley FATMAX XTREME 120cm lists 0.5mm/m on the primary edge and 0.8mm/m on the secondary, a 10 year accuracy period with proof of purchase, and weighs 1.18kg.
- Kapro 905 CONDOR lists 0.5mm/m in both normal and reversed positions, in lengths from 60 to 200cm.
- Hultafors Aluminium HV lists 0.5mm/m normal and 0.75mm/m upside down, with a magnified horizontal vial.
- Kapro 905DG Digital Condor lists under 0.05° at level and plumb and an IP65 rating.
Sources: Stanley UK: FATMAX XTREME 120cm Box Beam Level (FMHT43676-1), Kapro: 905 CONDOR box level, Hultafors: Spirit Level Aluminium HV, Kapro: 905DG Digital Condor
Spirit level comparison: four levels side by side
| Level | Type | Lengths on the page | Stated accuracy | Notes from the page |
|---|---|---|---|---|
| Stanley FATMAX XTREME 120cm (FMHT43676-1) | Box beam | 120cm | 0.5mm/m primary edge, 0.8mm/m secondary | 3 vials, not magnetic, 1.18kg |
| Kapro 905 CONDOR | Box | 60 to 200cm | 0.5mm/m, also reversed | 2 acrylic vials, Plumb Site front view, lifetime accuracy warranty |
| Hultafors Aluminium HV | Aluminium profile | 40 to 200cm | 0.5mm/m normal, 0.75mm/m upside down | 3 vials from 60cm, shock-absorbing end protectors |
| Kapro 905DG Digital Condor | Digital | 60, 120, 180cm | Under 0.05° at level and plumb | IP65, strong magnets, hold button |
Sources: Stanley UK: FATMAX XTREME 120cm Box Beam Level (FMHT43676-1), Kapro: 905 CONDOR box level, Hultafors: Spirit Level Aluminium HV, Kapro: 905DG Digital Condor
Stanley FATMAX XTREME 120cm
Stanley's FATMAX XTREME 120cm box beam level (FMHT43676-1) has an extruded aluminium body and a continuous edge you can draw along the full length. The page lists 0.5mm/m accuracy on the fine milled primary edge and 0.8mm/m on the secondary edge, three vials with plumb vials 90% larger than before, and removable rubber-moulded end caps. This version is not magnetic. Stanley says it will remain accurate for 10 years under normal use if you supply proof of purchase, with a 1 year warranty against defects. Weight is 1.18kg assembled.
Source: Stanley UK: FATMAX XTREME 120cm Box Beam Level (FMHT43676-1)
Kapro 905 CONDOR and Hultafors Aluminium HV
Kapro 905 CONDOR comes in eight lengths from 60 to 200cm. Kapro lists ±0.5mm/m in the normal and the reversed position, two solid acrylic break-proof vials, a Plumb Site Dual-View that shows the plumb vial from the front, cushioned shockproof end caps and an asymmetric profile with a reinforced vial bridge. Models up to 120cm have a continuous marking surface and a milled base. Magnets are not mentioned for the standard model: Kapro lists a separate 905M CONDOR as the magnetic version. All vials carry a lifetime accuracy warranty.
Hultafors Aluminium HV is made in lengths from 40 to 200cm. The page lists ±0.5mm/m normal and ±0.75mm/m upside down, crush-proof block vials with a magnified horizontal vial and a luminescent reflector, and shock-absorbing end protectors. The profile is aluminium, 51.5 x 25.3mm. The page does not list a magnetic version.
Sources: Kapro: 905 CONDOR box level, Hultafors: Spirit Level Aluminium HV
Kapro 905DG Digital Condor
The 905DG is a digital level in 60, 120 and 180cm. Kapro lists accuracy of under 0.05° at level and plumb and under 0.2° at other angles, an IP65 water and dustproof rating, strong magnets and a display that shows degrees, percentage, pitch in mm/m and inches per foot. It has a hold button, a false zero for setting a base angle, electronic re-calibration and an audible slope indication. Vials are break-proof Optivision Red, and the page offers a lifetime accuracy guarantee. The page does not give battery type or life.
It suits falls and pitches, such as a drain run or a ramp, where a bubble tells you level and a number tells you how far off you are.
Source: Kapro: 905DG Digital Condor
What should you check before buying a spirit level?
- Length: 120cm covers most work. Add a 60cm for tight spots and a door-length level (around 180cm) for door linings and long runs of blockwork. See the best laser level for setting out beyond that.
- Accuracy, both ways: Kapro lists the reversed reading, Hultafors gives a looser figure upside down, Stanley gives a secondary-edge figure.
- Magnets: if you work on steel studs or lintels, check the page. The Stanley 120cm and the standard Kapro 905 are not listed as magnetic.
- Vial visibility: Kapro's Plumb Site front view and Hultafors' magnified horizontal vial are there for reading in poor light.
- Accuracy guarantee: Stanley's is 10 years with proof of purchase, Kapro's is lifetime.
- Check it on arrival: draw a line along a flat edge, flip the level and draw again. The lines should match.
For cutting to the line, see the best circular saw.
Sources and references
Blake Folgado
Blake is a co-founder of Tradehand, a UK trades marketplace More from Blake
