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NFHS Rule 7-5 requires the rating to be at or above your body weight in competition gear. Add ~2 lbs over your scale weight for uniform and spikes.
[02]Pole Vault Pole Weight Calculator

How pole weight, length, and grip interact

Rule 1: legal first

NFHS Rule 7-5 and USATF Youth rules require the manufacturer's pole rating to be at or above the athlete's body weight in competition uniform and spikes. The rating must be marked in a contrasting color, at least 3/4-inch tall, on or above the top handhold. This is the floor, not the target.

Rule 2: rating tracks skill, length tracks grip

Your weight rating moves with your sprint speed and technique (heavier ratings store more energy but require more force to bend). Your pole length moves with your grip height. Each pole has a 12-inch grip range (6-18 inches from the top), and the top of one pole's grip range is the bottom of the next 12-inch-longer pole's range. So a 13' pole's grip range (11'6"-12'6") meets the 12' pole's range (10'6"-11'6") at the 11'6" handhold.

Rule 3: stiffness inside the grip range

Per Dahlman's coaching paper and the standard fiberglass-pole physics, the pole feels ~1.5 lbs stiffer per inch as you grip down within the grip range. So a 12'1" pole rated 140 at the top of the grip range feels like roughly 158 at the bottom, equivalent to a 158-lb pole. This is the mechanism for fine-tuning between manufactured rating increments.

From calculator to runway

Verify on video, in 60 seconds

The calculator gives you a starting number. AI form check verifies whether your form is actually matching that number on the runway. Upload a clip from practice, and the AI tells you whether your takeoff velocity, grip height, and approach are landing where the calculator said they should.

  • Free first analysis, no account required
  • Phase-by-phase breakdown of your approach and takeoff
  • AI chat follow-up on every analysis
Pole vaulter at the plant, pole bending, body inverted, Track & Field AI analysis
Pole Vault · Sample analysis “Takeoff foot is 6 inches behind the top hand, costs you at least 6 inches of usable pole bend. Move takeoff mark forward 12 inches.”
[10]Common questions

Pole Vault Pole Weight Calculator FAQ

Frequently asked questions about how this calculator works and the methodology behind it.

Is the +5/+10/+15 rule official?
It is coaching convention, not a federation rule. NFHS and USATF mandate the floor (rating >= body weight). The skill-based progressions in this calculator follow the framework documented in Marty Dahlman's "The Physics of Pole Vault" (Watkins Memorial HS), the Slippery Rock Pole Vault Camp tradition, and consistent practice across HS and college programs.
Can I use a pole rated below my body weight?
No. NFHS Rule 7-5 prohibits it. It is also unsafe, the pole over-bends and can break. The rating must include uniform and spikes weight, so add ~2 lbs to your scale weight when checking the floor.
How does the 1.5 lbs/inch rule work?
Within a single pole's 12-inch grip range, gripping 1 inch lower makes the pole feel ~1.5 lbs stiffer. Across the full grip range that's about 18 lbs of effective stiffness change, useful for fine-tuning between manufactured rating steps. The rule does not extend to 16'+ poles, which use a different progression.
Does this calculator pick the exact flex number?
No. Flex is a manufacturer-specific fine-tune (lower flex number = stiffer). Once you're on a pole with the right rating and length, your coach should pick flex within that rating using your bend pattern on video and pit-landing depth, not from a calculator.
How often should I move up?
Only when all three Hannay/Dahlman criteria are met: (1) holding at the top of the grip range, (2) on a pole at least 10-15 lbs over body weight, (3) landing deep in the pit (zone 4 or beyond). Moving up too early kills approach commitment and your jumps get worse, not better.
[09]Methodology & sources

References

Primary sources behind the numbers and methods on this page.

  1. Marty Dahlman, "The Physics of Pole Vault" (Watkins Memorial HS) - pole length progression chart, 1.5 lbs/inch stiffness rule, move-up criteria.
  2. NFHS Track and Field Rule 7 Section 5 - pole rating must be at or above athlete body weight in uniform and spikes.
  3. UCS Spirit Pole Selector - grip range definitions, pole length and weight rating combinations.
  4. Pole Vault Rules Comparison: USATF, NCAA, NFHS, World Athletics (2025).
[INDEX]More ways to dial in your pole vault

The full pole vault index

A directory of every pole vault page on the site, from broad analysis tools to specific phase deep-dives. Each entry points to a focused write-up.

From numbers to reps

Take your pole vault from calculator to clip.

Run the numbers, then run the rep. AI form check tells you whether your form is matching the math, frame by frame.

01
Free first analysis
Math behind the calcResearch-backed
Form check on videoSame app
Coaching languagePlain English