A LITTLE TOOL FOR YOUR NEXT BIG BUILD

Less math.
More making.
Find your mark.

From tricky fractions to the right tick on your tape. Calculate measurements, see the answer, and get back to what you love building.

Get Tape MarkSee how it works

Free to use · No ads · Works offline

Light calculator design preview showing exact and rounded fractional measurements
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THE EXACT ANSWER5 1924 in
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YOUR MARK · NEAREST 1/165 1316 in
✓

Tape Mark · Calculator preview

Made for hands-on people.
Weekend projects
✦
Woodworking
✦
Everyday DIY
FROM A NUMBER TO A MARK

Three steps. One less thing
to work out in your head.

The fractions can be complicated. Your calculator shouldn’t be.

Fraction entry and exact result in the calculator design
01

Put your measurements in.

Add, subtract, multiply or divide. Work with fractions, feet and inches, or metric units.

Expanded tape design with exact and rounded position labels
02

Find the right tick.

Keep the exact answer. See a clearly labeled rounded measurement and where it falls on a tape.

Saved calculations in the History design preview
03

Pick up where you left off.

Save your calculations, pin the ones you need, and reuse a measurement without starting over.

Tape Mark: See the tick. Make your mark. An illustrated phone shows exact and rounded positions together on a yellow tape, on a workshop bench.
From a fraction to a mark on your tape. Illustrative app artwork.
LESS FRICTION. MORE SAWDUST.

Your head is for ideas.
Let Tape Mark
handle the fractions.

That shelf, frame or weekend project deserves your attention. Get a clear answer without decimal guesswork, scraps of paper, or losing your place.

Exact fractionsVisual tapeSaved calculations
Dark calculator design preview with a yellow visual tape
A SMALL APP. A WELL-STOCKED TOOLBOX.

Everything you need.
Room to focus.

⅜

Fractions that stay fractions.

See the exact result alongside a practical rounded mark. Choose 1/8, 1/16, 1/32 or 1/64 inch precision.

⇄

Your units. Your way.

Move between inches, feet and inches, millimetres and centimetres without doing the conversion yourself.

☼

Light or dark. Always clear.

Choose your appearance, or follow your device. Clear numbers and large keys keep the work in focus.

⌁

No signal? No problem.

Calculate and access saved measurements offline. No account, ads or subscription between you and your next project.

GOOD TO KNOW

A few nuts
and bolts.

Is Tape Mark free?

Yes. Tape Mark is free to use, with no ads, subscriptions or paid tier.

Does it work without an internet connection?

Yes. Calculations, preferences and saved history work offline, including first launch. Sharing a result to another service may require a connection.

Can I use my phone as a physical ruler?

The visual tape helps you locate a calculated measurement on a real tape measure. It is a diagram, not a calibrated ruler for measuring objects against your screen.

Where are my saved calculations stored?

On your device. Tape Mark keeps your latest 100 unpinned calculations, plus pinned calculations. There is no cloud sync or backup; uninstalling the app or clearing its data can remove them.

Which devices is it made for?

Tape Mark is being prepared for Android. A download link will be added when the app is available.

Tape Mark on a sunlit workshop bench. Big ideas. Less mental math. Fractions, feet, inches and metric. Free, offline and without ads.
Made for your next project. Illustrative app artwork.
YOUR NEXT PROJECT IS CALLING

Make the calculation.
Make your mark.

A little more confidence in every measurement.

Android release in preparation

Free. Offline. Built for makers.