Cabinet Installation Cheat Sheet
Standard dimensions, install heights, and the screw rules pros follow. Enter your ceiling and floor to get your own install lines.
Doing this on a real job? Install kitchen cabinets: materials, tools and steps sized to your numbers.
Get the planInstall height calculator
- Top of bases (level line)
- 34-1/2 in
- Countertop surface
- 36 in
- Bottom of uppers (ledger line)
- 54 in
- Top of uppers
- 84 in
- Gap to ceiling
- 12 in
12.0 in left: step up to 36 in uppers or add stacked uppers.
Save your install lines and a box-by-box checklist to Blueprint: the screws, shims, fillers and toe kick with a cost, and the lines adjusted for your floor, on your phone while you stand in the kitchen.
Install 12 kitchen cabinets
Hang 6 upper and 6 base cabinets, uppers first, with every box screwed into studs and leveled with shims. The cost covers install materials, not the cabinets.
- Materials
- $141
- Time
- 1 weekend
- Level
- Intermediate
- 1
Find studs and the high point
Mark every stud on the wall. Find the highest point of the floor along the run; all heights measure from there.
- Mark studs
- Find floor high point
- Remove baseboard on the run
- 2
Snap layout lines
Mark a level line at 34-1/2" for the top of the bases and 54" for the bottom of the uppers, measured from the floor where you held the tape. Mark appliance openings.
- 34-1/2" base line
- 54" upper line
- Uppers top out at 84", 12" below the ceiling
- 3
Hang the uppers
Take the doors off, then screw a ledger to the studs on the 54" line, rest each of the 6 uppers on it, clamp neighbors face to face and screw through the hanging rail into studs. Start in the corner.
- Ledger on the line
- Start at the corner
- Clamp, pre-drill, screw frames together
- Uppers
- 6
- Bases
- 6
- Install materials
- $141
7 steps · 8 tools · 6 materials
4 more steps, the full tool list and a shopping list you can check off as you go.
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Cabinet install rules
- Never nail cabinets; nails void most warranties and pull out.
- Never use drywall screws; they snap under shear.
- #10 x 2-1/2 in (or longer) cabinet screws through the hanging rails into studs.
- #8 x 2-1/2 in pan or trim-head screws to join face frames or box sides.
- At least 2 studs per box, top and bottom rail.
- Start in the corner, hang the uppers first, and take doors and drawers off before you lift.
| Cabinet | Height | Depth | Widths |
|---|---|---|---|
| Base cabinet | 34.5" (36" with countertop) | 24" | 9" to 48" in 3" steps |
| Wall (upper) cabinet | 30", 36", or 42" | 12" | 9" to 36" in 3" steps |
| Tall / pantry cabinet | 84", 90", or 96" | 24" | 18", 24", 30", 36" |
| Bathroom vanity | 30" to 36" | 21" | 18" to 72" |
| Toe kick | About 4" high | 3" recess | Full run of base cabinets |
| Gap: countertop to upper | 18" (bottom of uppers at 54" from floor) | ||
| Accessible base | 30" to 32" with counter (to 34" max) | 24" | Knee space 30" wide under sinks |
| Island or bar base | 36" counter; 38" to 42" bar | 24" (plus 12" overhang for seating) | Stock base widths |
| Uppers by ceiling | 8 ft: 30" or 42" to ceiling; 9 ft: 36" or 42"; 10 ft: 42" or stacked 48"+ | 12"; 15" to 18" over a microwave; 24" over a fridge | 9" to 36" |
Stock sizes vary slightly by manufacturer. Measure your actual boxes before marking layout lines. Metric: a 34-1/2" base is 87.6 cm, 36" is 91.4 cm, 54" is 137.2 cm, 24" deep is 61 cm and 12" is 30.5 cm.
Cabinet installation is a precise process that requires careful planning, accurate leveling, and proper securing techniques. Whether installing kitchen or bathroom cabinets, the key to a professional result is starting from the highest point in the floor and working methodically to ensure all cabinets are level, plumb, and securely fastened to wall studs.
Proper cabinet installation ensures doors and drawers operate smoothly, countertops sit level, and the entire assembly is structurally sound. The process involves layout planning, establishing level reference lines, installing upper cabinets first (in kitchens), then base cabinets, adding filler strips where needed, and completing with hardware and adjustments.
1. Find the High Point
- • Use a 6-8 ft level to check floor level in all directions
- • Mark the highest point on the floor - this is your reference
- • All base cabinet measurements start from this high point
- • Typical base cabinet height is 34.5" plus countertop thickness (usually 1.5")
- • Mark a level line around the room at 34.5" from the high point
2. Locate and Mark Studs
- • Use a stud finder to locate all wall studs
- • Mark stud centers with light pencil marks above and below cabinet height
- • Studs are typically 16" or 24" on center
- • Verify stud location by drilling small test holes if needed
- • Plan to secure cabinets through the back rail into at least 2 studs per cabinet
3. Establish Upper Cabinet Height
- • Standard height: 18" above countertop (54" from floor to bottom of upper cabinet)
- • Mark a level line at 54" from high point for standard installation
- • Adjust for ceiling height, lighting, or personal preference (15"-20" is acceptable range)
- • Consider range hood requirements - typically 24"-30" above cooktop
- • Use laser level for long runs to ensure consistent height
4. Plan Cabinet Layout
- • Start from a corner or focal point and work outward
- • Calculate filler strip locations (between cabinets and walls/appliances)
- • Plan for dishwasher, range, and refrigerator openings (sizes in the appliance cutout dimensions chart)
- • Verify cabinet sizes match your layout plan
- • Check for plumbing, electrical, and HVAC conflicts
| Step | Task | Key Points |
|---|---|---|
| 1 | Install Ledger Board (Upper Cabinets) | Temporary support screwed into studs at marked height line |
| 2 | Install Upper Corner Cabinet | Start from corner, rest on ledger, secure to studs |
| 3 | Add Adjacent Upper Cabinets | Clamp face frames together, ensure flush alignment |
| 4 | Secure Upper Cabinets | 2.5" screws through back rail into studs (minimum 2 per cabinet) |
| 5 | Remove Ledger Board | After all uppers are secured |
| 6 | Install Base Corner Cabinet | Level from high point, shim as needed |
| 7 | Add Adjacent Base Cabinets | Clamp face frames, level front-to-back and side-to-side |
| 8 | Secure Base Cabinets | Through back rail to studs, through face frames to each other |
| 9 | Install Filler Strips | Scribe to walls, secure to cabinet face frames |
| 10 | Install Toe Kick | Match or coordinate with cabinet finish |
A ledger board is a temporary support that makes upper cabinet installation much easier. It holds cabinets at the correct height while you level and secure them.
Ledger Board Installation Steps
- Cut a straight 1×3 or 1×4 board slightly shorter than the cabinet run length
- Position the top edge at your marked line (54" from floor for standard installation)
- Ensure the board is perfectly level using a 4-6 ft level
- Secure with 2.5" screws into studs every 16"-24" (use enough screws to support cabinet weight)
- Rest upper cabinets on the ledger while securing to wall
- Remove ledger after all upper cabinets are secured to studs
Base Cabinet Leveling
Front-to-Back Level
- • Place level on cabinet from front to back
- • Adjust cabinet legs or add shims under toe kick area
- • Most cabinets have adjustable legs - turn counterclockwise to raise
- • Ensure back of cabinet sits flush against wall
Side-to-Side Level
- • Place level across top front rail of cabinet
- • Adjust legs or shims to achieve level
- • Check that adjacent cabinets align at same height
- • Face frames should be flush when cabinets are clamped together
Shimming Best Practices
- • Use composite or plastic shims (won't compress or rot like wood)
- • Place shims at mounting points - behind cabinet where screws will go
- • Stack shims to achieve desired thickness
- • Score and snap shims flush after securing cabinet
- • Never over-shim - this can distort the cabinet box
Common Leveling Mistakes
- ❌ Not starting from the high point - leads to cabinets sitting on shims throughout
- ❌ Leveling to the floor instead of to each other - creates uneven countertop line
- ❌ Forgetting to check diagonal measurements - cabinet may be racked
- ❌ Over-tightening screws before leveling - can pull cabinets out of level
Fastening Requirements
| Cabinet Type | Screw Size | Quantity | Location |
|---|---|---|---|
| Upper Cabinets | 2.5" - 3" wood screws | Minimum 4 screws (2 studs) | Through upper mounting rail into studs |
| Base Cabinets | 2.5" - 3" wood screws | Minimum 4 screws (2 studs) | Through lower mounting rail into studs |
| Face Frame Joining | 1.25" - 1.5" screws | 3-4 per joint | Through face frame into adjacent cabinet |
| Filler Strips | 1.25" screws | Every 12" | Through filler into cabinet face frame |
Proper Securing Sequence
- Position cabinet and verify it's level and at correct height
- Clamp to adjacent cabinets (if applicable) ensuring face frames are flush
- Drill pilot holes through mounting rail at stud locations
- Insert screws but don't fully tighten yet
- Re-check level and make fine adjustments
- Tighten screws fully, starting from center and working outward
- Secure face frames together with screws
- Verify doors and drawers operate smoothly
Filler strips are narrow pieces of matching cabinet material used to fill gaps between cabinets and walls, appliances, or other fixed objects. They allow for proper door clearance and create a finished appearance.
When to Use Filler Strips
- Between cabinet and wall to allow door/drawer clearance when opened 90°
- Next to refrigerators or ranges to create uniform spacing
- At end of cabinet runs for a finished look
- To accommodate out-of-square walls or corners
- Typical filler widths: 3", 6", 9" (can be trimmed to fit)
Scribing Filler Strips to Walls
- Position the filler strip against the cabinet face frame, leaving slight overlap at wall
- Use a compass or scribe tool set to the widest gap between filler and wall
- Run the compass along the wall while marking the filler strip
- Cut along the scribed line with a jigsaw or circular saw
- Test fit and sand as needed for a tight fit against the wall
- Secure with 1.25" screws from inside the cabinet into the back of the filler
Filler Strip Placement Guide
| Location | Minimum Width | Reason |
|---|---|---|
| Blind corner cabinet | 3" | Door clearance when opening adjacent cabinet |
| Next to range | 1.5" - 3" | Allows handle clearance and air circulation |
| Next to refrigerator | 1" - 3" | Door clearance and aesthetic spacing |
| Dishwasher gap | 1.5" | Allows dishwasher removal without removing countertop |
| End cabinet at wall | As needed | Covers gap from out-of-square walls |
European Hinge Adjustment (Most Common)
Most modern cabinets use concealed European hinges with 3-way adjustment capability.
| Adjustment | Screw Location | Effect |
|---|---|---|
| In/Out (Depth) | Screw closest to door | Moves door closer or further from cabinet |
| Up/Down (Height) | Mounting screws on hinge plate | Raises or lowers door position |
| Left/Right (Side) | Side adjustment screw | Moves door left or right to center in opening |
Door Alignment Goals
- Equal gaps (1/16" - 1/8") between all doors
- Doors sit flush with face frame when closed
- No binding or rubbing when opening/closing
- Soft-close mechanisms engage smoothly (if equipped)
- Doors align horizontally across cabinet run
Drawer Adjustment
Under-mount Drawer Slides
- • Vertical adjustment: Loosen front mounting screws, adjust drawer height
- • Side-to-side: Adjust mounting position of slide on drawer box
- • Front tilt adjustment: Some slides have tilt screws at rear
- • Check that drawer front is aligned with adjacent doors when closed
Drawer Front Adjustment
- • Most drawer fronts are attached with adjustable screws from inside drawer
- • Loosen screws slightly to shift drawer front position
- • Align drawer front to match reveal and spacing of adjacent drawers/doors
- • Tighten screws while holding drawer front in position
Standard Hardware Placement
| Item | Standard Placement | Notes |
|---|---|---|
| Upper Cabinet Knobs | Lower corner, 2-3" from edges | Consistent across all upper doors |
| Base Cabinet Knobs | Upper corner, 2-3" from edges | Consistent across all base doors |
| Drawer Pulls (Horizontal) | Centered on drawer front | Use template for consistent placement |
| Drawer Pulls (Vertical) | Centered horizontally, 1-2" from top | Maintains consistent look with doors |
| Large Drawer Pulls | Centered, typically 3-12" spacing | Measure hole spacing carefully |
Hardware Installation Tips
- Create a drilling template from cardboard or thin plywood for consistent hole placement
- Drill pilot holes to prevent splitting, especially near edges
- Use painter's tape on drill bit to mark drilling depth
- Drill from the front to prevent blowout on visible surface
- Measure twice, drill once - incorrectly placed holes are visible
- Keep hardware orientation consistent throughout the kitchen
The toe kick (also called toe space or kick board) is the recessed space at the bottom of base cabinets that allows you to stand close to counters comfortably.
Standard Toe Kick Dimensions
- Height: 3.5" - 4" (standard is 3.5")
- Depth: 3" - 4" recess from cabinet front
- Material: 1/4" plywood, solid wood, or matching cabinet material
- Finish: Match cabinet color or use contrasting color for design effect
Installation Methods
Method 1: Clips and Returns
- • Use plastic toe kick clips installed in cabinet base
- • Snap toe kick board into clips
- • Allows for easy removal to access under-cabinet space
- • Best for finished installations
Method 2: Nailed or Screwed
- • Attach directly to cabinet base with finish nails or screws
- • More permanent installation
- • Fill nail holes and touch up paint
- • Good for painted cabinets
Cutting and Fitting
- Measure total run length and height needed
- Cut slightly long and test fit before final cut
- Scribe to floor if floor is uneven (same technique as filler strips)
- Miter or cope inside corners for professional appearance
- Butt joints are acceptable for painted toe kicks
- Use color-matched caulk to fill small gaps at floor
Essential Tools
- 4-6 ft level
- Laser level (highly recommended)
- Stud finder
- Cordless drill/driver
- Clamps (spring clamps and bar clamps)
- Tape measure
- Pencil
- Square (combination or speed square)
- Scribe tool or compass
- Circular saw or jigsaw
- Shims (composite or plastic)
- Stepladder
Fasteners & Materials
- 2.5" - 3" wood screws (cabinet to wall)
- 1.25" - 1.5" screws (face frame joining)
- Filler strips (if needed)
- Toe kick material
- Toe kick clips (if using clip method)
- Cabinet hardware (knobs/pulls)
- Ledger board material (1×3 or 1×4)
- Wood glue
- Painter's tape
- Sandpaper
Note: Check local building codes for specific requirements regarding cabinet installation, especially for accessibility standards, range hood clearances, and seismic zones that may require additional bracing.
Installation Sequence
- Find high point in floor
- Mark level lines at 34.5" (base) and 54" (upper)
- Locate and mark all studs
- Install ledger board for uppers
- Install upper cabinets (corner first)
- Install base cabinets (corner first)
- Add filler strips
- Adjust doors and drawers
- Install toe kick
- Install hardware
Critical Measurements
- Base cabinet height: 34.5"
- Countertop thickness: 1.5" (typical)
- Total counter height: 36"
- Upper cabinet clearance: 18" above counter
- Upper cabinet bottom: 54" from floor
- Toe kick height: 3.5"
- Toe kick depth: 3"-4" recess
How to measure your wall for cabinets
- Measure each wall corner to corner at three heights (floor, 36 in. and 84 in.); use the smallest.
- Find the floor high point with a long level or laser along the whole run.
- Locate windows, doors and appliance openings from the corner, with their heights.
- Mark centerlines for the sink drain, supply lines, gas and every outlet and switch.
- Sketch the room with every number on it and check it against your cabinet order.
Then plan the counter on the countertop installation guide, the circuits on the kitchen electrical cheat sheet, pulls with the cabinet hardware calculator, doors with the cabinet door calculator, and your own boxes with the sheet nesting calculator.
Frequently asked questions
How high do you hang upper cabinets?
Do you install upper or lower cabinets first?
What screws do you use to hang cabinets?
How many screws per cabinet?
How much space between countertop and upper cabinets?
Can you install cabinets on an uneven floor?
Disclaimer: This guide provides general information about cabinet installation. Specific cabinet manufacturers may have different requirements. Always follow manufacturer instructions and consult with a licensed contractor or building inspector for your specific application. Check local codes before beginning work.
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