Tools directorybudgeting

Room budget calculator

How can I divide my room budget before I start shopping?

Before you startUse the total amount you can actually spend, including delivery, tax, and installation.

Step 1

Add your measurements

See a clear dollar allowance for furniture, lighting, finishing, and unexpected costs.

Example numbers are loaded

Replace each example with what you measured. The example result on the right updates as you type.

Set the limitStart with the complete amount available for this room.

Total room budget$Enter the maximum total spend for the room.

Divide the budgetAdjust the shares to match your priorities. They should total 100%.

Furniture share%The share reserved for large and small furniture.Lighting share%The share reserved for fixtures, lamps, bulbs, and installation.Finishing and decor share%The share reserved for rugs, curtains, art, paint, and decor.Contingency share%Money held back for delivery, tax, repairs, or price changes.

Measurements stay in this browser and are never sent to analytics.

Example resultLooks good on paper

The allocation accounts for the full budget

Use the category limits as decision boundaries, then track committed and paid costs separately.

Change the sample measurements to turn this into your estimate.

Furniture: $5,500
Lighting: $1,000
Finishing: $1,500
Contingency: $2,000

Proportional planning schematic - verify all dimensions on site.

Before you buy or start work

Include tax, delivery, assembly, and disposal.
Keep contingency uncommitted until late in the project.
Record actual spend beside each allocation.

Method

What this result assumes

The default split is an editable planning example, not financial advice.

Taxes, delivery, labor, and disposal should be assigned to an explicit category before purchase.

Limitations

What it cannot confirm

Actual costs vary by location, scope, tax, labor, and product availability.

This is a planning estimate, not a building-code, safety, installation, or delivery guarantee.

Confirm product-specific requirements with the manufacturer, installer, retailer, or qualified trade.

Formula 1.0.0Reviewed 2026-07-13General planning assumptions

Read category methodology