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Plan kitchen cabinet spacing across a wall run using cabinet count, module width, and filler allowances. Get gap guidance, run usage totals, and fit notes before installation.
Last updated: April 14, 2026
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Gap Between Cabinets
7.00 in
Total Run Used
144.0 in
Remaining Space
0.0 in
Suggested Counter Overhang
1.5 in
Spacing Note
Large leftover gaps; consider wider cabinets or rebalanced layout.
Installation Tips
Small dimensional differences across long runs can impact door reveals and appliance fit.
Fillers absorb wall irregularities and reduce risk of tight binding near side walls.
Balanced gap planning simplifies shimming, leveling, and trim finishing during install.
For a 144 in wall, four 30 in cabinets, and 1.5 in fillers:
Gap Between
7.00 in
Run Used
144.0 in
Leftover
0.0 in
The calculator subtracts cabinet module widths and planned side fillers from the total wall run, then distributes remaining space across cabinet junctions to estimate realistic installation gaps.
Available Gap Space = Wall Run - Cabinet Total - FillersGap Per Joint = Available Gap Space / (Cabinet Count - 1)Run Used = Cabinet Total + Fillers + All GapsShare it with anyone planning kitchen cabinet installs or remodel layouts.
Suggested hashtags: #KitchenRemodel #CabinetLayout #HomeImprovement #Carpentry #Calculator