Measurement & DIY · Android
Tape Mark
Less math. More making.
Tape Mark is a little tool for your next big build. Add, subtract, multiply or divide measurements, work in fractions, feet and inches, or metric, and get the answer without stopping to do arithmetic on an offcut.
What makes it useful on a workbench is the second half of every answer. Alongside the exact result, you see a clearly labelled rounded measurement and where it falls on a tape, at the precision you actually cut to.
- Free to use
- No ads
- Works offline
- Fractions to 1/64 inch
What it does
Built for the workbench
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.
Unit conversion
Move between inches, feet and inches, millimetres and centimetres without doing the conversion yourself.
Saved calculations
Save your calculations, pin the ones you need, and reuse a measurement without starting over.
Display options
Light or dark. Always clear. Choose your appearance, or follow your device.
Works offline
Calculate and access saved measurements offline. No account, ads or subscription between you and your next project.
The visual tape
Find the right tick on a drawn tape measure, so a fraction becomes a position rather than a number to interpret.
Start to finish
How it works
Put your measurements in
Add, subtract, multiply or divide. Work with fractions, feet and inches, or metric units.
Find the right tick
Keep the exact answer. See a clearly labelled rounded measurement and where it falls on a tape.
Pick up where you left off
Save your calculations, pin the ones you need, and reuse a measurement without starting over.
Made for
Who it is for
Made for hands-on people: weekend projects, woodworking, and the everyday DIY jobs where the measurement matters more than the maths.
Calculate measurements, see the answer, and get back to what you love building.
Your information
On your device, and nowhere else
There is no account, so your calculations stay where you made them.
Saved on the phone
Tape Mark keeps your latest 100 unpinned calculations, plus pinned calculations. There is no cloud sync or backup.
Offline from first launch
Calculations, preferences and saved history work offline, including the first time you open the app.
Nothing to pay for
Free to use, with no ads, subscriptions or paid tier.
Worth knowing
- The visual tape is a diagram, not a calibrated ruler. Do not hold an object against your screen to measure it.
- Screens shown here are design previews. The final app appearance may differ.
Questions
Common questions
Is Tape Mark free?
Yes. Tape Mark is free to use, with no ads, subscriptions or paid tier.
Does it work without internet?
Yes. Calculations, preferences and saved history work offline, including first launch.
Can I use my phone as a physical ruler?
No. The visual tape is a diagram, not a calibrated ruler for measuring objects against your screen.
Where are saved calculations stored?
On your device. Tape Mark keeps your latest 100 unpinned calculations, plus pinned calculations. There is no cloud sync or backup.
Which devices does it run on?
Tape Mark is built for Android phones.