SUMMER SALE — Tape + FREE caliper · $29.99 $42.99Ends July 18
Progress, measured

See the proof the mirror & scale won't give you.

The mirror lies and the scale stalls for weeks while you recomp. GAINSTAPE gives you one repeatable number you can trust — and every order includes a free body-composition caliper.

SUMMER DEAL
Measuring the chest with the GAINSTAPE tapeGAINSTAPE Body Tape Measure + FREE Body-Composition Caliper — One-Handed Auto-Lock, Dual Inch & cm (60 in / 150 cm)GAINSTAPE Body Tape Measure + FREE Body-Composition Caliper — One-Handed Auto-Lock, Dual Inch & cm (60 in / 150 cm)GAINSTAPE Body Tape Measure + FREE Body-Composition Caliper — One-Handed Auto-Lock, Dual Inch & cm (60 in / 150 cm)Measuring a flexed arm with the GAINSTAPE tapeGAINSTAPE Body Tape Measure + FREE Body-Composition Caliper — One-Handed Auto-Lock, Dual Inch & cm (60 in / 150 cm)
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Add to cart — $29.99 · free caliper
✓ One-handed lock✓ No app, no charging✓ 30-day guarantee
🎁 Tape + FREE caliper · $29.99 (was $42.99) · ends July 18
What's in your kit

Two tools. One $29.99 kit.

Every order ships with the tape and a free body-composition caliper — no add-on, no upsell.

Free body-composition caliper
FREE caliper
GAINSTAPE body tape measure
The tape
Why it works

The mirror lies. The scale stalls. A floppy tape reads different every time.

One tool, one method, the same number every time — so your trend is real, not a guess.

01 — The mirror

Your mind plays tricks

See yourself daily and real change looks like nothing.

02 — The scale

It stalls for weeks

In a recomp it sits flat even while training's working.

03 — GAINSTAPE

The same number, every time

Auto-lock holds identical tension, so the only thing changing is you.

🎁 Tape + FREE caliper · $29.99 (was $42.99) · ends July 18
The method

Four moves. One number you can trust.

1

Pull

Draw the non-stretch tape out one-handed.

2

Wrap

Loop it level around arm, waist, hips or glute.

3

Lock

Auto-lock holds the same tension every time.

4

Read

Read hands-free in inches or cm.

The offer

Body Tape Measure + FREE Caliper

SEE IT IN USE
Measuring the chest with the GAINSTAPE tapeGAINSTAPE Body Tape Measure + FREE Body-Composition Caliper — One-Handed Auto-Lock, Dual Inch & cm (60 in / 150 cm)GAINSTAPE Body Tape Measure + FREE Body-Composition Caliper — One-Handed Auto-Lock, Dual Inch & cm (60 in / 150 cm)GAINSTAPE Body Tape Measure + FREE Body-Composition Caliper — One-Handed Auto-Lock, Dual Inch & cm (60 in / 150 cm)Measuring a flexed arm with the GAINSTAPE tapeGAINSTAPE Body Tape Measure + FREE Body-Composition Caliper — One-Handed Auto-Lock, Dual Inch & cm (60 in / 150 cm)
Swipe through the photos →
$29.99$42.99SAVE $13 · 30%
A free body-composition caliper ships with every order. The $29.99 is for the full kit — not the tape alone.
$29.99 until July 18 — then $42.99
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  • Measure arms, chest, waist, hips, glutes & thighs — solo, one-handed
  • Auto-lock holds tension so your number stays put while you read it
  • No app, no charging, no subscription — fully manual
30-day money-back guarantee. Track with it for a month; if it isn't the tool you trust most for progress, we'll refund you.
Add to cart — $29.99 · free caliper
Ships in 3 days · 30-day satisfaction guarantee
Fair questions

Before you buy.

Is the caliper really free?
Yes. Every tape ships with a free body-composition caliper at no extra cost — one $29.99 order, two tools, while the summer deal runs.
Why not just use my phone or a free tailor tape?
A tailor tape slips and angles one-handed, so you get a different number each time. The value is repeatability: same spot, same tension, same tool.
Are tape measurements even accurate?
Accuracy isn't the tape's job — consistency is. Follow one fixed method and your numbers are directly comparable to your own past numbers.
Will this help if the scale isn't moving?
That's when it helps most. During a recomp the scale can sit flat for weeks even when your training's landing — the change shows up in your measurements first.
Can I measure my own glutes, hips and back solo?
Yes — that's the whole point. The auto-lock holds tension so you can bring it level around your hips or behind your back without a second pair of hands.
Summer deal · ends July 18

Stop guessing if it's working. Start seeing it.

$29.99$42.99
Add to cart — $29.99 · free caliper
$29.99$42.99
Add to cart →