TapeMath

Final checks

Your thumbs already know it.

A tape-measure calculator for the job site. Feet-and-inches math, stair and stud layouts, roof pitch, and unit conversion — laid out like the tools your thumbs already know.

Palette

Tape Yellow#EAB308

Charcoal#171717

Graphite#262626

Chalk#FAFAFA

Screens

A week of content

Straight from the factory's content calendar — what actually goes out for this app.

tiktok2026-07-27

How I subtract feet-inches now (no scratch paper)

Subtracting feet and inches on site used to mean scratch paper on a 2x4. Now I key it the way I'd say it and the exact fraction pops back: 7' 3-5/8" minus 2' 11

instagram2026-07-27

Plans say 4.28 ft. Your tape says what?

Plans in decimal feet, tape in sixteenths, and you're doing the translation in your head all morning. Watch: 4.28 ft becomes 4' 3-3/8" with one key. TapeMath is

reddit2026-07-27

Decimal feet to sixteenths without the scratch paper

Anyone else get prints in decimal feet but cut in sixteenths? For years I did 0.28 x 12 in my head and rounded it wrong half the time. The clean way: multiply t

tiktok2026-07-28

How I text the whole cut list before I leave the truck

Used to write the cut list on a 2x4 offcut and lose it by lunch. Now every calc logs to a tape I can scroll and text to the crew as plain text. TapeMath launchi

instagram2026-07-28

Your phone calculator rounds. That's a callback.

Why every carpenter carries a dedicated calculator instead of the one in their pocket: phones store fractions as rounded binary decimals. 12' 6-3/16" divided by

reddit2026-07-28

Why phone calculators botch feet-inch fractions

Ran into this again today so figured I'd share the why. Phone calculators store 3/16 as a repeating binary decimal, so 12' 6-3/16" divided by 3 comes back 4.177

tiktok2026-07-29

The tape hook is loose on purpose. Here's why.

That loose hook on your tape measure isn't worn out. It floats exactly 1/16", the thickness of the metal, so inside and outside measurements both read true. Tap

Milestones

Jul 30Pre-submission QA: 208 engine tests green, hand-verified fraction math battery — GO
Jul 5Landing page live at tapemath.app
Jul 4Build 1 submitted to the App Store