Drawer Slide Calculator - Drawer Dimensions & Slide Size Guide

Free drawer slide calculator for perfect drawer fit. Calculate correct drawer dimensions, slide sizes, clearances, and load ratings for ball bearing slides, soft-close, and full-extension slides. Determine mounting specs for cabinets, dressers, and furniture. Includes slide type comparison and weight capacity guide. Get the perfect fit every time!

Hardware Sizing Weight Capacity Clearance Analysis Professional Grade

⚠️ HARDWARE INSTALLATION NOTICE

Ensure proper weight capacity and mounting specifications for safe operation. Verify slide compatibility with cabinet construction. Follow manufacturer installation guidelines and use appropriate fasteners for your application.

Drawer Specifications

Slide Type

Drawer Dimensions

Drawer Width

Drawer Depth

Drawer Height

Cabinet Depth

Load Requirements

Expected Load

Usage Frequency

Hardware Specifications

Enter drawer specifications to calculate slide requirements, clearances, and hardware recommendations for your project.

Drawer Slide Selection & Installation Guide

Proper drawer slide selection ensures smooth operation, adequate load capacity, and long-term durability. This guide covers slide types, sizing, weight capacity, and installation. Use our drawer slide calculator for specifications.

Slide Types & Sizing

Side-Mount (Epoxy Coated): 75-100 lb capacity, 0.5" clearance each side

Undermount (Soft-Close): 75-150 lb capacity, clean appearance

Heavy-Duty Ball-Bearing: 100-500 lb capacity, commercial use

Length Selection

Standard: Cabinet depth - 2" (allows face frame clearance)
Common lengths: 12", 14", 16", 18", 20", 22"
Extension: 3/4 extension (75%), full extension (100%)

Installation Guidelines

Mounting Best Practices:

Height: Mount at drawer bottom for stability
Level: Slides must be perfectly level (use shims if needed)
Depth: Front edge flush with cabinet face frame
Screws: Use all mounting holes for maximum strength

Frequently Asked Questions

Drawer slide length should be 2-4 inches shorter than your cabinet depth. For a 24" deep cabinet, use 20" or 22" slides. Full-extension slides provide complete drawer access, while 3/4 extension slides are more economical.

Choose slides rated for 1.5-2 times your expected load. Kitchen drawers typically need 75-100 lb capacity, while file drawers may require 100-150 lbs. Heavy-duty applications can need 200-500 lb capacity slides.

Side-mount slides attach to drawer sides and are easier to install. Undermount slides attach to the drawer bottom, providing a cleaner appearance but requiring more precise installation and specific clearances.

Side-mount slides typically need 0.5" clearance on each side (1" total). Undermount slides require specific bottom clearances (usually 0.75-1"). Always check manufacturer specifications for exact requirements.

Yes, soft-close slides prevent slamming, reduce wear on cabinets, and provide a premium feel. They're especially valuable in kitchens and high-use applications where drawers are opened frequently.

Often yes, but you'll need to verify clearances and mounting compatibility. Measure existing slides and cabinet openings carefully. You may need to modify drawer boxes or cabinet interiors for proper fit.