All toolsFree Budget PlannerInterior

Bathroom Remodel Cost Calculator

Build an early bathroom renovation range based on room size, finish level, layout changes, and regional costs, then see how the budget typically divides by trade.

Project Parameters

sq ft

Instant Estimate

Planning Budget Range
$18,000–$33,000

Tile & Waterproofing

$5,610

Fixtures, Vanity & Hardware

$6,375

Plumbing & Electrical

$5,100

Carpentry, Paint & Finishes

$3,315

General Labor & Project Costs

$5,100
Estimated Total Project Cost$18,000 – $33,000

Estimates use standard building formulas. Verify with an on-site contractor.

See it before you build

Upload a photo of your home and preview your project in 30+ styles with AI. Free designs, no credit card.

Try YondUP free

Guide

How to estimate a bathroom renovation budget

Bathroom budgets are driven by waterproofing, trade access, fixture quality, and whether plumbing locations change. Size is useful, but scope must be considered separately.

1

Measure and document

Record floor area, ceiling height, tiled wall dimensions, fixture positions, and access constraints.

2

Choose the finish level

Price major fixtures and tile early because product allowances can shift the project range substantially.

3

Plan for concealed work

Allow for waterproofing, ventilation, damaged subfloor, plumbing corrections, and required electrical protection.

Mathematics

Formulas used

Planning Range

Bathroom Area × Quality Rate × Layout Factor × Regional Factor

A planning model that adjusts area-based rates for the most important scope variables.

Contingency

Base Budget × 15–20%

Bathrooms frequently expose hidden water or subfloor damage after demolition.

Answers & FAQ

Frequently asked questions

Why are small bathrooms expensive per square foot?▼

They still require several specialized trades, fixtures, waterproofing, ventilation, and permits even though the floor area is small.

How much contingency should a bathroom remodel include?▼

Fifteen to twenty percent is prudent when existing waterproofing, plumbing, or subfloor conditions are unknown.

Does moving a toilet increase remodeling cost?▼

Usually. Drain and vent changes can require floor access, structural coordination, permits, and more plumbing labor.

Related calculators

Interior

Tile Calculator

Calculate floor and wall tile pieces, boxes, grout pounds, thinset mortar, and cost.

Open calculator
Interior

Interior Paint Calculator

Calculate wall and ceiling paint gallons, trim coverage, primer, and material cost.

Open calculator
Interior

Room Lighting & Lumen Calculator

Calculate total lumens, foot-candles, LED watts, and recessed fixture counts by room type.

Open calculator
Interior

Flooring & Tile Area Calculator

Calculate floor square footage, 10% waste, number of boxes, underlayment, and materials cost.

Open calculator