Knot Strength Reference
Reference for knot strength reference with this free online DIY tool
15 knots found
Figure-8 (Follow Through)
80%
rope strength
Standard climbing tie-in knot. Strong, secure, and easy to inspect. Retains 80% of rope strength.
Figure-8 on a Bight
80%
rope strength
Creates a loop in the middle of a rope without needing the end. Common in climbing and rescue.
Double Fisherman's
80%
rope strength
Secure method for joining two ropes. Used to create cord loops (Prusik cords). Very reliable.
Clove Hitch
75%
rope strength
Quick to tie and adjust. Used for securing a rope to a post or tree. Can slip under varying load.
Water Knot
75%
rope strength
Used to join flat webbing. Common in climbing anchors. Must be set tight before loading.
Butterfly Knot
75%
rope strength
Creates a loop in the middle of a rope that pulls in any direction. Used to isolate damaged rope sections.
Prusik
70%
rope strength
Slides freely when not loaded, grips when loaded. Essential for ascending, rappelling backup, and rescue.
Taut-Line Hitch
70%
rope strength
Adjustable loop that holds under tension. Standard tent guyline knot. Slides to adjust, jams under load.
Sheet Bend
70%
rope strength
Best knot for joining ropes of different diameters. Double sheet bend for extra security.
Trucker's Hitch
70%
rope strength
Creates a 3:1 mechanical advantage for tensioning. Essential for tying down loads and tarp setups.
Constrictor Knot
70%
rope strength
Extremely secure binding knot. Can be nearly impossible to untie after heavy loading. Best temporary whipping.
Munter Hitch
70%
rope strength
Used for belaying or rappelling without a device. Twists rope but effective in emergencies.
Timber Hitch
65%
rope strength
Used for pulling or dragging logs and poles. Tightens under load, easy to release.
Bowline
60%
rope strength
Creates a secure loop that will not slip. The "king of knots." Can be tied one-handed. Used for rescue harness attachment.
Square Knot (Reef)
45%
rope strength
NOT for joining climbing ropes. Only for light loads. Can capsize under heavy load. Granny knot is dangerous imitation.
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