Interior Cost Calculator

Estimate your total home interior cost based on property size, interior rates, modular components, furniture and contingency.

Interior Design Inputs

1. Base Property & Interior Rate

square_foot Property Size

sq. ft.

design_services Interior Cost per Sq. Ft.

₹

2. Fixed Components & Upgrades

countertops Modular Kitchen Cost

₹

door_sliding Wardrobe Cost

₹

light Electrical & Lighting Cost

₹

grid_view False Ceiling Cost

₹

texture Flooring / Other Civil Work

₹

chair Furniture & Décor

₹

3. Contingency Buffer

shield Contingency Buffer

30%

Estimated Interior Budget

₹ 2,493 / sq. ft.

₹ 37,40,000

Total estimated interior expenditure including base rate, components & contingency.

design_services Base Interior Work (1,500 sq ft × ₹1,500)

₹ 22,50,000

countertops Modular Kitchen

₹ 3,00,000

door_sliding Wardrobes

₹ 2,50,000

light Electrical & Lighting

₹ 1,50,000

grid_view False Ceiling

₹ 1,00,000

texture Flooring / Other Civil Work

₹ 1,50,000

chair Furniture & Décor

₹ 2,00,000

shield Contingency Buffer (10%)

₹ 3,40,000

pie_chart Budget Allocation Split

Base Work: 60.2% Components: 30.7% Contingency: 9.1%

lightbulb Base Rate vs Effective Rate Insight

Your initial quoted interior rate is ₹1,500 / sq. ft. After including fixed components (₹11.50L) and 10% contingency buffer (₹3.40L), your effective cost per sq. ft. is ₹2,493 / sq. ft. (+66% over base rate).

Subtotal Before Contingency: ₹ 34,00,000

tips_and_updates

Project Scope Note: This calculator estimates interior costs based on the components entered. Actual costs may vary based on materials, finishes, design complexity, brand selections, labour rates and project scope.

Estimates are illustrative and based on the assumptions entered by you. Actual material prices, contractor quotations, vendor charges and taxes may differ. This calculator is intended for decision support and does not constitute a formal contractor quote.

How is Home Interior Cost Calculated?

The quoted interior rate per sq. ft. rarely represents your final interior budget. Component upgrades, modular kitchen fittings, wardrobes, false ceiling, furniture, and contingency buffers materially increase the effective cost per sq. ft.

Step 1

Base Interior Work

Property Size × Base Quoted Interior Rate per Sq. Ft.

Step 2

Fixed Component Upgrades

Modular kitchen, wardrobes, electrical fittings, false ceiling, civil work, and loose furniture.

Step 3

Contingency Buffer

A 10% to 15% safety buffer on the subtotal for unexpected design modifications or site variations.

Step 4

Effective Cost per Sq. Ft.

Total Interior Budget divided by total property sq. ft. area.

Frequently Asked Questions

Why is effective cost per sq ft higher than quoted base rate?

Quoted base rates per sq ft typically cover basic woodwork and laminates. Adding modular kitchens, wardrobes, electrical work, false ceiling, furniture, and a contingency buffer increases your effective cost per sq ft.

What contingency percentage should I budget for home interiors?

A 10% to 15% contingency buffer is recommended to account for design modifications, site variations, material upgrades, and unforeseen structural or electrical adjustments during execution.

How much does a modular kitchen usually cost?

A standard modular kitchen for a 2BHK or 3BHK home typically ranges between ₹2.5 Lakhs and ₹6 Lakhs depending on carcass material (HDF/PLY), finish (acrylic, laminate, PU), hardware fittings, and appliances.

Is false ceiling included in base interior packages?

Not usually. Most basic interior contractors quote false ceiling separately on a per-square-foot basis of ceiling area, ranging between ₹90 and ₹150 per sq ft.