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Knot & Nap

Hammock Hanging Distance and Angle

The reference numbers, in one place: span, angle, anchor height and clearance, with what changes each one.

By Mike M. · Last updated

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Tape measure resting on timber

Hang a hammock from anchors 12 to 17 feet apart, with the suspension at about 30 degrees to horizontal and the hammock 16 to 19 inches off the ground. Attach the straps roughly 4 to 6 feet up the trunk, adjusting for span — wider spans need higher attachment.

This is the reference page in our guides hub. It is deliberately table-first; if you want the reasoning and the step-by-step, start with how to hang a hammock.

The reference table

SettingValueNotes
Distance between anchors12 to 17 ftSuits most hammock lengths
Hang angleAbout 30 degreesAdjustable range of roughly 5 to 45 degrees
Angle preference by heightTaller: nearer 25°. Shorter: 40 to 45°Taller people generally prefer a smaller angle
Hang height (sit height)16 to 19 in (40 to 50 cm)About chair-seat height
Anchor heightRoughly 4 to 6 ft, increasing with spanA worked example in the calculator gives 5.54 ft
Structural ridgelineAbout 83% of hammock lengthDutchWare: 100 in for a 10 ft hammock, 110 in for an 11 ft
Ranges from the hammock hang guidance published by Omni Calculator, which uses a 30-degree default and gives a 16 to 19 inch sit height. Exact anchor height depends on span, hammock length and your weight, so treat these as starting points and adjust.

Why 30 degrees

Thirty degrees is a compromise between two forces. Too shallow — a very saggy hammock — and you sink deep into a curve that is hard to get out of. Too steep — a tight, flat-looking hang — and two things happen: your body folds into a banana, and the force pulling on your anchors rises sharply.

That second point is the safety half of the rule. A hammock hung nearly horizontally multiplies your body weight substantially at the anchor points, which is how people snap hardware that was theoretically rated for them.

Quick picks

Tap any row to jump to the full write-up. Prices are not shown anywhere on this site — we link straight to Amazon so you see the live figure.

#ProductBest forHeadline specPrice
1
Taut cord line stretched between anchor points
DutchWare Adjustable Structural RidgelineAn adjustable UCR ridgeline from 26 to 135 in — set your sag once and the hammock hangs the same way forever.
Repeatable sag, every timeAdjustable UCR ridgeline, 26 in minimum to 135 in maximum
2
Webbing tree straps wrapped around a tree trunk
Kammok Python 10 Hammock StrapsLonger, lighter and higher-rated than the category default — the straps most people should buy.
Best straps overall500 lb combined capacity
3
Lightweight suspension cord and webbing
ENO Helios Hammock Suspension System4.3 oz with a cord micro-adjust — dialing in the hang is faster and more precise than any daisy chain.
Fine hang-angle adjustment300 lb combined capacity

#ad — the buy links above are affiliate links. See our affiliate disclosure.

What changes each number

  • Your height. Taller people generally prefer a smaller angle, closer to 25 degrees; shorter people often go to 40 or 45.
  • Hammock length. A longer hammock needs more span or more anchor height to sit at the same angle.
  • Your weight. A heavier person stretches the suspension further, so the hammock ends up lower than it looked when empty.
  • Weave stretch. A Mayan hammock opens up under load and drops noticeably further than a fabric one.
  • Chains. Extension chains on a rope hammock add length and change everything above.

Setting it by eye, without a calculator

  1. Attach the straps at about head height on each trunk.
  2. Hang the hammock and look at the suspension line. You want a shallow diagonal, not a taut horizontal.
  3. Sit in the middle. Your feet should be flat on the ground with your knees near 90 degrees — that is the 16 to 19 inch target.
  4. Too high? Move both straps down the trunk. Too low? Move them up.
  5. Lie down diagonally and check. If your shoulders feel squeezed, add sag.

Spans that do not work

Under about 10 feet, there is not enough room for a proper sag and the hang will be too tight whatever you do. Over about 20 feet you need very high anchor points and very long straps, and the whole setup becomes unwieldy. If your trees are outside 12 to 17 feet, a stand is the easier answer — see the stand size guide.

Common questions

How far apart should hammock posts be?

Twelve to seventeen feet for most hammocks. That range gives enough room for a comfortable sag without needing extreme anchor heights or unusually long suspension.

How far apart should hammock hooks be?

The same 12 to 17 feet applies to fixed hooks on posts or walls. If you are installing hooks permanently, measure your hammock first and err toward the wider end — you can always take up slack with straps, but you cannot add span.

How high should hammock straps be on the tree?

Roughly 4 to 6 feet up the trunk, higher for a wider span. The Omni Calculator worked example gives an anchor height of 5.54 ft. The target you are actually aiming at is the hammock sitting 16 to 19 inches off the ground with you in it.

What angle should a hammock hang at?

About 30 degrees between the suspension and horizontal. Taller people often prefer nearer 25 degrees, shorter people 40 to 45.

How long should a hammock ridgeline be?

About 83% of the hammock's length. DutchWare sells fixed lines at 100 inches for 10-foot hammocks and 110 inches for 11-foot ones, and an adjustable version covering 26 to 135 inches.

Sources

Every specification on this page traces to one of these. Where a recommendation rests on another publication's hands-on testing, we name it — we do not run a test lab.

Spotted something we got wrong? Tell us — corrections are part of our editorial policy.