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Roof & Route

Tie-Downs

The Best Ratchet Straps

The cheapest part of the load, and the part that fails. Here is what to buy and, more usefully, how to read the number on the packet.

By Janet H.Last reviewed September 25, 2026
An orange ratchet tie-down strap with a steel S-hook

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Before the picks, the one thing that will make you better at this than most people buying straps: break strength is not working load.

A strap advertised at 1,800 lb break strength is not rated to hold 1,800 lb. Break strength is where the webbing fails in a lab. The figure you should work to is the working load limit, conventionally a third of break strength — so that 1,800 lb strap is a 600 lb strap in practice, and it is sized for one strap of several, not for the whole load on its own.

Packaging almost always advertises the bigger number. Once you know to divide by three, strap shopping becomes much simpler, and the honest conclusion is usually that you need fewer, better straps than you thought.

Quick picks

Tap any row to jump to the full write-up below. Scores are our editorial judgment on published specifications — not a star rating, and not a product we claim to have tested.

#ProductBest forScorePrice
1
Representative photo of a ratchet tie-down strap with an S-hook
Rhino USA Ratchet Straps (1 in x 15 ft)Four 1-inch straps with S-hooks and soft loops at a sensible strength for roof and hitch loads.
Best all-round set8.3
2
Representative photo of a retractable ratchet strap reel
Rhino USA Retractable Ratchet StrapsSelf-retracting straps wind the slack back into the housing — which removes the single most annoying thing about ratchet straps.
No loose tails8.1
3
Representative photo of yellow ratchet straps coiled together
Keeper Ratchet Tie-Down Straps (4-pack)The hardware-store standard. Fine hardware, adequate webbing, and the lowest price of anything we would use.
Cheapest set worth owning7.7
4
Representative photo of cam-buckle load straps on a roof-mounted load
Thule Load StrapsCam buckle rather than ratchet, with a rubber buckle guard — the correct tool for anything on a roof.
Roof loads specifically8.3

Prices checked September 25, 2026. Product photographs are representative stock images, not the exact unit. Affiliate disclosure.

#1 · Best all-round set

Rhino USA Ratchet Straps (1 in x 15 ft)

Representative photo of a ratchet tie-down strap with an S-hook
Representative photo — not the exact unit.

Four 1-inch straps with S-hooks and soft loops at a sensible strength for roof and hitch loads.

Size
1 inch x 15 ft
Stated break strength
1,823 lb
Implied working load
Around 600 lb per strap
Included
Soft loops

What works

  • Four straps is the right quantity for a basket or a hitch carrier
  • Soft loops let you anchor without metal hooks touching paint
  • 1 inch is the right width for cargo — 2 inch is overkill and harder to stow
  • Lifetime warranty from a brand that honors it

What doesn’t

  • S-hooks can scratch if you use them directly on paint — use the loops
  • Ratchets can over-tension soft or fragile items
  • 15 ft is long for small loads; you will be managing tails

Our scoring

Strength8.5
Load safety7.5
Ease of use8.0
Durability8.5
Value9.0

8.3overall

#2 · No loose tails

Rhino USA Retractable Ratchet Straps

Representative photo of a retractable ratchet strap reel
Representative photo — not the exact unit.

Self-retracting straps wind the slack back into the housing — which removes the single most annoying thing about ratchet straps.

Type
Retractable ratchet
Size
2 inch
Stated break strength
About 3,000 lb
Notable
Tail retracts into the housing

What works

  • No flapping tail, which is both quieter and safer
  • Faster to deploy and faster to put away
  • Genuinely useful on a cargo box or a loaded basket

What doesn’t

  • Costs considerably more per strap
  • The retraction mechanism is another thing to fail
  • Fixed length range — less flexible than plain webbing

Our scoring

Strength8.5
Load safety7.5
Ease of use9.5
Durability7.5
Value7.0

8.1overall

#3 · Cheapest set worth owning

Keeper Ratchet Tie-Down Straps (4-pack)

Representative photo of yellow ratchet straps coiled together
Representative photo — not the exact unit.

The hardware-store standard. Fine hardware, adequate webbing, and the lowest price of anything we would use.

Type
Ratchet straps, four-pack
Size
1 inch
Brand
Long-established
Extras
None

What works

  • The cheapest set we would actually put on a load
  • Widely available, so replacements are easy
  • Simple and robust

What doesn’t

  • No soft loops included — buy some
  • Webbing quality is a step below the premium sets
  • Ratchet action is stiffer

Our scoring

Strength7.5
Load safety7.0
Ease of use7.0
Durability7.5
Value9.5

7.7overall

#4 · Roof loads specifically

Thule Load Straps

Representative photo of cam-buckle load straps on a roof-mounted load
Representative photo — not the exact unit.

Cam buckle rather than ratchet, with a rubber buckle guard — the correct tool for anything on a roof.

Type
Cam buckle load straps
Buckle
Rubber guard
Tension
Hand tension only
Sized for
Roof-rack loads

What works

  • Cannot over-tension the way a ratchet can
  • Rubber guard keeps the buckle off paint and hulls
  • Sized and shaped for roof carriers rather than flatbeds

What doesn’t

  • Lower maximum tension — wrong for heavy freight
  • Costs more than generic cam straps

Our scoring

Strength7.5
Load safety9.5
Ease of use8.5
Durability8.5
Value7.5

8.3overall

Working load limit, and how to use it

The convention across the tie-down industry is that working load limit is one third of break strength. That safety factor accounts for knots, wear, UV degradation, shock loading over bumps, and the fact that a strap rarely pulls in a perfectly straight line.

Two practical consequences. First, divide any advertised number by three before you judge whether a strap is adequate. Second, never plan on a single strap carrying the whole load — use at least two, ideally four, and treat each one’s rating as part of a total.

Hardware matters too. A strap is only as strong as its hook, its stitching and its buckle, and on cheap straps those are the weak points rather than the webbing.

Ratchet or cam buckle

A ratchet uses a gear and pawl to apply mechanical advantage. It gets very tight and it stays tight. That is what you want over a steel basket full of dense cargo.

A cam buckle takes hand tension only. It is faster, it is quieter, and it physically cannot crush what it is holding. That is what you want over a kayak hull, a cargo box lid, or anything with a shell.

The mistake that costs money is a ratchet over a boat. It is entirely possible to deform a plastic hull with a ratchet strap on a hot day, and people do. We go into the full comparison in ratchet vs cam buckle.

Using them properly

  1. Anchor to structure, not to trim. A hitch carrier's welded loops and a roof basket's frame are anchors. A plastic roof rail cover is not.
  2. Use soft loops where the hook would touch paint. A steel S-hook against a painted panel is a scratch waiting for a bump.
  3. Strap in both directions. Down holds the load on; fore-and-aft stops it sliding. Both matter.
  4. Deal with the tail. A loose tail flogging at 70 mph will destroy paint and can find its way into a wheel. Tie it off or tuck it.
  5. Re-check after the first 20 minutes. Everything settles. This one step prevents most incidents.

Our tie-down guide covers the full sequence, including the knots worth knowing.

When to throw a strap away

Webbing is a consumable. Retire a strap when you see any of these, without trying to judge how bad it is:

  • Cuts, nicks or abrasion on the edges of the webbing
  • Fading and stiffness — that is UV degradation, and it is strength loss you cannot see
  • Any damage to the stitching, particularly at the hook
  • A bent hook, a cracked buckle or a ratchet that skips
  • Chemical staining, especially from fuel or solvents

Store them inside, out of sunlight. Straps left coiled on a roof rack through a summer lose real strength.

Common questions

How strong do my ratchet straps need to be?
Divide the advertised break strength by three to get the working load limit, and plan on several straps sharing the load rather than one carrying it. For a typical roof basket or hitch carrier load, four 1-inch straps at around 1,800 lb break strength is comfortable.
Are ratchet straps better than cam straps?
For dense, heavy cargo in a basket, yes — they get tighter and stay tighter. For anything with a shell, including kayaks and cargo box lids, cam straps are better precisely because they cannot over-tension.
How often should I replace tie-down straps?
When you see edge damage, fading and stiffness from UV, damaged stitching, or bent hardware. There is no useful mileage figure — inspect them before each trip and retire anything questionable rather than judging severity.

Sources

Not sure it fits your car?

Our vehicle pages carry the published roof load limit, the roof type by model year, and what actually mounts to it — cited, and honest about what the manufacturer does not publish.