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Wall Repair Patch Calculator
Estimate patch size, filler and compound for repairing holes in drywall.
wrench Free Online Tool
⚡ Instant Results
📊 Clear Comparison
🔒 100% Free Tool
Patch size
Compare Your Options And Get Clear Answers
Estimate patch size, filler and compound for repairing holes in drywall.
Wall Repair Patch Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: Patch size = hole width + 8 cm overlap; compound scales with patch area and coats.
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Wall Quick Guide
Typical values for reference.
| Hole cm | Holes | Coats | Patch |
|---|---|---|---|
| 5 | 3 | 3 | 13 cm patch |
| 12 | 3 | 3 | 20 cm patch |
| 20 | 3 | 3 | 28 cm patch |
| 40 | 3 | 3 | 48 cm patch |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Wall Repair Patch Calculator FAQ
Answers to common questions about this calculator.
Cover with a mesh patch, then apply joint compound in thin coats.
About 4 cm larger on all sides.
Usually three, feathering each wider.
Yes, between and after coats.