Sit-and-Reach Test Calculator
The standard box-flexibility score with norms — and what it does and doesn't measure.
It bundles hamstrings, hips and spine into one number — useful for tracking yourself, blunt for diagnosis (long arms flatter the score; tight calves don't show at all). Warm up first: cold scores read 3–5 cm worse. Women outscore men at every age courtesy of pelvic anatomy, hence the separate norms.
Formula
For general information only — not medical or training advice. Estimates vary between individuals; consult a qualified professional before changing your exercise or nutrition routine.
The standard box-flexibility score with norms — and what it does and doesn't measure. The Sit-and-Reach Test Calculator is a free, private sit and reach tool — every result computes instantly in your browser with no sign-up and no data upload.
About Sit-and-Reach Test Calculator
It bundles hamstrings, hips and spine into one number — useful for tracking yourself, blunt for diagnosis (long arms flatter the score; tight calves don't show at all). It applies legs straight, reach slowly, hold 2 s; score = cm relative to toes. Use the Sit-and-Reach Test Calculator to get an instant, clearly-explained result with the working shown step by step — free, private and with the source method cited.
How to use Sit-and-Reach Test Calculator
- 1Enter your details in the Sit-and-Reach Test Calculator input fields above.
- 2The result updates instantly with the working and reference bands shown.
- 3Adjust any value to explore how it changes the outcome — it's free and unlimited.
Why use Sit-and-Reach Test Calculator?
- ✓Instant sit and reach result that recomputes as you type — no waiting, no page reloads
- ✓100% client-side: your health data never leaves your browser
- ✓Shows the actual formula and your numbers substituted in, so you can see exactly how the result is reached
- ✓Based on published, citable sources (ACSM fitness assessment norms; Wells KF & Dillon EK 1952 — original test)
- ✓Free forever with no sign-up, account or app install
Frequently asked questions
How does the Sit-and-Reach Test Calculator work?+
It bundles hamstrings, hips and spine into one number — useful for tracking yourself, blunt for diagnosis (long arms flatter the score; tight calves don't show at all). The calculation uses the formula: legs straight, reach slowly, hold 2 s; score = cm relative to toes. Everything runs instantly in your browser as you type — your inputs are never uploaded.
Is the Sit-and-Reach Test Calculator accurate, and what is it based on?+
The method is traceable to authoritative sources: ACSM fitness assessment norms; Wells KF & Dillon EK 1952 — original test. Results are estimates — individual variation always applies, so treat the output as a well-grounded starting point.
Is the Sit-and-Reach Test Calculator free and private?+
Yes. It's completely free with no sign-up, and all computation happens locally in your browser, so none of your health data ever leaves your device.
Can I use this for medical decisions?+
This tool is for general fitness information only, not medical or training advice. Consult a professional before changing your routine.
What can I use the Sit-and-Reach Test Calculator for?+
It's commonly used for sit and reach, flexibility test, hamstring flexibility norms. The standard box-flexibility score with norms — and what it does and doesn't measure.
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