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5m or 8m tape measure

Updated: October 2026

A 5m or 8m tape measure is a choice of reach and bulk, not a quality ladder. Five metres covers many indoor jobs if you move the hook. Eight metres crosses a longer wall in one pull and usually means a wider case. Prices are on the [tape measure comparison](/hub/measuring-and-marking-tools/tape-measure). BuildWiz keeps a 5 m tape in the pocket and an 8 m tape for rooms. THS Concepts, a UK surveying practice, prefers the 5 m and a laser for long spans. The Tape Store calls 5 m its most popular UK length. A qualifying purchase can earn a commission at no extra cost to you.

A 5m or 8m tape measure is a choice of reach and bulk, not a quality ladder. Five metres covers many indoor jobs if you move the hook. Eight metres crosses a longer wall in one pull and usually means a wider case.

Our top picks

OX OX Trade 8 m twin pack

Best overall

OX OX Trade 8 m twin pack
9.2/10about £9.99
View offer
Amazon Basics Amazon Basics 5 m MID

Preis-Tipp

Amazon Basics Amazon Basics 5 m MID
9.2/10about £3.50
View offer
STANLEY Stanley FatMax 8 m 0-33-726

Rank 3

STANLEY Stanley FatMax 8 m 0-33-726
9.2/10about £18.78
View offer
On this page
  1. 1.When a 5 m tape is the one you carry
  2. 2.When an 8 m tape earns the pocket space
  3. 3.Weight is not just the extra 3 m
  4. 4.A conditional pick

When a 5 m tape is the one you carry

Choose 5 m when the tape lives in a pocket and the job has an edge you can re-hook: a door, a base unit, a worktop. The Tape Store treats 5 m as the everyday UK length. Class maths stay on the tape measure buying guide. The light rows are the Rolson 50535 at £2.38, 19 mm and 181 g; the Amazon Basics 5 m at £3.50 and about 200 g; and the PowerLock 0-33-553 at £9.51 and 209 g. The G4GADGET is £4.99 and 150 g. A 5 m FatMax is different: 0-33-719 is 390 g and 0-33-720 is 380 g, both 32 mm. That is width, not a lighter pocket.

When an 8 m tape earns the pocket space

Choose 8 m when one pull has to cross a longer wall and you are working alone. Moving a 5 m hook twice, past a radiator or a run of units, is where the additions go wrong. In this set the FatMax 0-33-726 is £18.78, 32 mm, with 3.3 m standout in the title and 4.6 from 4,743 reviews. The metric-only 0-33-728 is £20.04, with no standout in the file. The OX Trade twin is £9.99 for two 8 m tapes, 25 mm, Class 2, and no standout figure, if you accept a pack listed at 780 g. Who those picks are for, beyond length, is on the best tape measure UK page. A longer case does not stand out further by itself.
OX OX Trade 8 m twin pack

Testsieger

OX OX Trade 8 m twin pack
9.2/10about £9.99
View offer

Weight is not just the extra 3 m

Three extra metres are not a fixed handful of grams. Tapes near 5 m and 19 mm cluster around 180–210 g: Rolson 181 g, pink Amazon Basics 180 g, Amazon Basics 5 m 200 g, PowerLock 209 g. The 32 mm 5 m FatMax tapes are 380 g and 390 g. Width moves the weight more than the extra length. The 8 m FatMax 0-33-726 and the metric 0-33-728 are both listed at 272 g, lighter than the 5 m FatMax rows. That is what the amazon.co.uk attributes say, and it is not smoothed into a guess. The OX twin at 780 g is the pack. The Amazon Basics 10 m is £8.80 and about 481 g, with no standout. Ten metres is the next step only when an 8 m pull still runs out.

A conditional pick

If you carry one tape for furniture and the odd longer wall, take the 8 m FatMax 0-33-726 and treat the 272 g listing as unverified. If the tape must live in a pocket, take a 19 mm 5 m model: the PowerLock at £9.51, or the Amazon Basics at £3.50. If you do both jobs often, own both. The OX twin puts two 8 m Class 2 tapes in a van for £9.99. At 481 g the 10 m Amazon Basics is the heaviest tape here. The page on how to use a tape measure shows how to add two 5 m pulls.

Common questions

Is 5 m enough to measure a room?
It is enough if you can move the hook and add the pulls. That covers doors, furniture and many rooms. It is awkward on a long wall where you cannot walk the second hook cleanly. The Tape Store calls 5 m the most popular length it sells in the UK. We are not stating a room size in metres as a fact.
When is 8 m worth the size?
It is worth the size when one pull has to cross a longer wall and you are working alone. In this set that points at the FatMax 0-33-726 at £18.78, with a 3.3 m standout in the title, or the OX twin at £9.99 for two 8 m Class 2 tapes with no standout stated. It is not worth the size if the tape must stay in a jeans pocket.
How much heavier is an 8 m tape?
Not by a fixed amount. The 19 mm tapes near 5 m are about 180–210 g. The 32 mm 5 m FatMax tapes are 380 g and 390 g. The 8 m FatMax listings say 272 g, which is lighter than those 5 m FatMax rows and is kept as printed. The OX pair is listed at 780 g for the pack. We did not weigh them.
Should I own both?
Own both if you pocket-measure doors and furniture and also pull longer walls. A light 5 m tape and one 8 m tape match the split in the UK guides above. One tape is enough if your work is only one of those jobs. The OX twin gives you two 8 m tapes and still leaves you without a 19 mm pocket tape.
Is 10 m the next step after 8 m?
Only if 8 m still runs out on jobs you repeat. The Amazon Basics 10 m is £8.80 and about 481 g, with a MID claim and no standout. It is the heaviest single tape in this set. A surveying practice in the sources prefers a laser for long spans. That tool is not in this comparison.
Does a longer tape stand out further?
Not by itself. Standout is how far the blade holds up, which tracks width more than the length in the case. A 5 m FatMax can claim 3.3 m of standout. An 8 m tape with no standout figure, such as the OX twin, does not become stiffer because it is longer. We did not measure standout.

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Sources

Sources checked for this comparison; last retrieved on 16 October 2026.

  1. Measuring Instruments Regulations 2016, material measures (retrieved 16 October 2026)
  2. GOV.UK, Measuring Instruments Regulations 2016: Great Britain (retrieved 16 October 2026)
  3. GOV.UK, weights and measures business guidance (retrieved 16 October 2026)
  4. GOV.UK, placing UKCA or CE marked products on the Great Britain market (retrieved 16 October 2026)
  5. The Tape Store, Class 2 tapes (retrieved 16 October 2026)
  6. The Tape Store, how to read a tape (retrieved 16 October 2026)
  7. Stanley Tools support, why the hook moves (retrieved 16 October 2026)
  8. Homebuilding, diamond marks on a tape measure (retrieved 16 October 2026)
  9. amazon.co.uk listings for the ASINs in this comparison (retrieved 16 October 2026)