Drawer Box Size Calculator
Drawer box dimensions from opening.
Work It Out And Get Clear Answers
Drawer box dimensions from opening.
Drawer Box Size Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Values
Fill in each field with your own numbers.
Calculate
Press Calculate to see the result.
Review
Read the breakdown and the explanation.
Adjust
Change values to compare scenarios.
Drawer Box Size Quick Guide
Typical values for reference.
| Opening width (mm) | Opening depth (mm) | Slide clearance each side (mm) | Box width |
|---|---|---|---|
| 500 | 450 | 13 | 474 mm |
| 250 | 450 | 13 | 224 mm |
| 1,000 | 450 | 13 | 974 mm |
| 500 | 225 | 13 | 474 mm |
| 500 | 900 | 13 | 474 mm |
| Rule of thumb: check your inputs, use the result as a guide and round sensibly. | |||
Drawer Box Size FAQ
Answers to common questions about this calculator.
Width = opening − slide clearances.
It uses the default inputs shown and the formula described above. Change any value and press Calculate to see how the result moves.
It is an estimate based on the inputs you enter. Check real quotes, labels, product data or official guidance for important decisions.
Yes. Replace each input with your own figures and press Calculate to update the result.