Print size scaling calculator
The print size scaling calculator gives the scaling percentage that turns one measured length into the length you want.
Result and working notes
Use 100% print scaling for this record. The sketch is not life-size and must not be used as a cutting pattern. Check measurements against the real materials.
Print scale percentage: 150 %
Scaling cannot recover image detail and printer margins can crop the enlarged output.
| Print scale percentage | 150 % |
| Length multiplier | 1.5 |
| Proportional second dimension | 12 cm |
| Area multiplier | 2.25 |
Free to use. A free account saves, downloads and prints your results, with no card.
Divide the target length by the original length and multiply by one hundred; apply the same factor to the other dimension. Adjust the numbers and check the live result before printing your measurement notes.
Last reviewed 3 October 2026.
Work out your display
- Measure the board, paper or existing item. Choose a single unit that matches the fields.
- Set original reference length (cm), target reference length (cm), original second dimension (cm).
- Compare the live totals with the stated assumptions. Use a free account to download or print the measurement sheet.
How the estimate is calculated
Divide the target length by the original length and multiply by one hundred; apply the same factor to the other dimension. Scaling cannot recover image detail and printer margins can crop the enlarged output. This utility supports the measuring and preparation work around a display.
It provides plain quantities and dimension notes; custom lettering, bunting artwork, decorations and finished themed packs belong in the display maker. Every result comes from the values you enter, with no model request or invented price.
Practical questions
How does print size scaling calculator work?
Divide the target length by the original length and multiply by one hundred; apply the same factor to the other dimension.
What should I check before using the result?
Scaling cannot recover image detail and printer margins can crop the enlarged output. Start with measured values for original reference length (cm), target reference length (cm), original second dimension (cm).
Is this display preparation tool free?
Yes. You can calculate and preview without signing in. Saving, downloading and printing need a free account, with no card.
Will this produce a finished display pack?
No. It prints calculation notes for print size scaling calculator, rather than a design template or decorative artwork. When you want a finished board, lettering, bunting or decorations, the WallKiwi display maker designs them for you.
Tools for the next step
- Measuring and print estimatesUsable display board areaFind the working space left inside a board after reserving an equal edge on every side. Free in your browser, with printable notes you can save.
- Measuring and print estimatesDisplay border roll estimatorWork out how many rolls of edging you need for a rectangular board. Free in your browser, with printable notes you can save.
- Measuring and print estimatesBacking paper roll calculatorEstimate vertical strips and roll length for covering a board with backing paper. Free in your browser, with printable notes you can save.
- Measuring and print estimatesBacking sheet coverage calculatorCount rectangular paper sheets needed to cover a display surface in a regular grid. Free in your browser, with printable notes you can save.
Cite this tool
APA 7
WallKiwi. (2026, October 3). Print size scaling calculator. https://wallkiwi.com/tools/print-size-scaling-calculator
Harvard
WallKiwi (2026) Print size scaling calculator. Available at: https://wallkiwi.com/tools/print-size-scaling-calculator.
Ready to make your display?
Describe your display in a sentence and WallKiwi designs the board, lettering, bunting and cut-outs to match, ready to print on A4. Designs use credits, and a free account includes some each month.