Drawer Slide Calculator

How many drawer slides to buy for a cabinet project, based on your drawer count and mount style.

drawer + side slides
SLIDES NEEDED
— slides
total to purchase

Usage Tip

Measure drawer box depth carefully — slides come in 2″ increments (14″, 16″, 18″, 20″, 22″, 24″). Buy the longest that fits your cabinet depth.

THE MATH
Slides = Drawers × Slides per drawer
Side-mount uses 2 per drawer; under-mount and center-mount use 1
• Slides come in 2″ increments: 14, 16, 18, 20, 22, 24″
• Measure drawer box depth carefully before ordering
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The calculators and tools on Formula Factory are provided for general guidance and informational purposes only. Results are estimates based on standard formulas and the values you enter — they do not constitute professional engineering, electrical, or architectural advice. Always verify calculations with a qualified professional before making decisions for any safety-critical, code-compliance, or commercial application. Formula Factory makes no representations or warranties as to the accuracy or completeness of any result, and accepts no liability for errors, omissions, or any outcomes arising from reliance on this information.