Home Improvement Calculator by F2

Home Improvement Calculator by F2 is a collection of practical calculators designed to help customers estimate flooring, paint, roofing, tile, and wallpaper requirements directly inside a Shopify storefront.

Installation Guide

Step 1 — Install the App

Install Home Improvement Calculator by F2 from the Shopify App Store and open the app from your Shopify Admin.

Step 2 — Open Your Shopify Theme

Go to:

Shopify Admin → Online Store → Themes → Customize

Select the theme where you want to display a calculator.

Step 3 — Add an App Block

Open the page or section where you want the calculator to appear.

Click:

Add section / Add block → Apps

Then select the required calculator from Home Improvement Calculator by F2.

Step 4 — Select the Calculator

The app includes:

• Flooring Calculator
• Paint Calculator
• Roofing Calculator
• Tile Calculator
• Wallpaper Calculator

Each calculator is an independent block, so you can use different calculators on different pages.

Step 5 — Configure the Calculator

After adding a calculator block, use the Shopify Theme Editor to configure its available settings.

Depending on the calculator, you can customize:

• Title
• Subtitle
• Labels
• Default values
• Units
• Waste percentage
• Colors
• Typography
• Result styling
• CTA
• Maximum width
• Other appearance options

Step 6 — Save & Test

Click Save in the Shopify Theme Editor.

Then open the storefront and test the calculator using realistic measurements.

Calculator Block Guide

01 — Flooring Calculator

The Flooring Calculator helps customers estimate how much flooring material they need for a room.

How it works

Enter:

• Room Length
• Room Width
• Unit
• Waste Allowance
• Coverage per Box

The calculator estimates:

• Room Area
• Waste Area
• Total Purchase Area
• Required Boxes

Best for

Flooring stores, laminate stores, hardwood sellers, vinyl flooring stores and home improvement businesses.

02 — Paint Calculator

The Paint Calculator estimates the amount of paint required based on room dimensions, openings, coats and paint coverage.

How it works

Enter:

• Room Length
• Room Width
• Wall Height
• Unit
• Doors
• Windows
• Number of Coats
• Paint Coverage
• Waste Percentage

The calculator estimates:

• Gross Wall Area
• Opening Area
• Net Wall Area
• Total Coat Area
• Paint Before Waste
• Required Gallons

Best for

Paint stores, decorators, contractors and home improvement retailers.

03 — Roofing Calculator

The Roofing Calculator estimates roof area and required roofing material based on roof dimensions, pitch, material and waste.

How it works

Enter:

• Roof Length
• Roof Width
• Unit
• Roof Pitch
• Roofing Material
• Waste Percentage
• Chimneys
• Vents

The calculator calculates:

• Ground Area
• Pitch-Adjusted Roof Area
• Waste Area
• Roofing Squares
• Material Requirement

The calculator supports roofing materials such as asphalt shingles, metal roofing, tile and slate.

Best for

Roofing companies, construction businesses, contractors and roofing material stores.

04 — Tile Calculator

The Tile Calculator helps customers estimate the number of tiles required for a room.

How it works

Enter:

• Room Length
• Room Width
• Room Unit
• Tile Length
• Tile Width
• Tile Measurement Unit
• Waste Percentage

The calculator calculates:

• Room Area
• Individual Tile Area
• Waste Area
• Total Purchase Area
• Required Tiles

Best for

Tile stores, bathroom retailers, kitchen suppliers and flooring businesses.

05 — Wallpaper Calculator

The Wallpaper Calculator estimates the number of wallpaper rolls required for a room.

How it works

Enter:

• Room Length
• Room Width
• Wall Height
• Unit
• Roll Width
• Roll Length
• Pattern Repeat
• Waste Percentage
• Doors
• Windows

The calculator calculates:

• Wall Area
• Opening Area
• Net Wall Area
• Roll Coverage
• Required Rolls

Pattern repeat and waste allowance are considered when estimating the required rolls.

Best for

Wallpaper stores, interior design businesses, decorators and home renovation companies.

Important Information

These calculators provide estimates based on the measurements and values entered by the customer.

Actual material requirements may vary because of:

• Installation method
• Room/roof shape
• Cutting requirements
• Product dimensions
• Pattern matching
• Installation waste
• Manufacturer specifications
• Site-specific conditions

Customers should verify the final quantity with the product manufacturer, installer or qualified professional before purchasing large quantities.

The calculator should not be considered a substitute for professional measurement or installation advice.

Quick Merchant Workflow

Install App
     ↓
Open Theme Customizer
     ↓
Add App Block
     ↓
Choose Calculator
     ↓
Configure Settings
     ↓
Set Units & Defaults
     ↓
Customize Design
     ↓
Save Theme
     ↓
Test on Storefront
     ↓
Ready for Customers