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Floor area and square footage calculator
Add rectangular sections and convert between square feet, square meters and square yards. Keep measured area separate from the material order.
Floor area · Multiple sections · Unit conversionSQUARE FOOTAGE
How to calculate the square footage of a room
Rectangles, L-shapes, closets, triangles and circles. Convert feet and inches, subtract islands and switch between square feet, meters and yards.
Formulas · Worked examples · Unit conversionCARPET PLANNING
How to measure a room for carpet
Record rooms and closets, calculate carpet square footage, and understand why roll width, seams and pattern direction need a separate layout.
Room measurements · Square yards · Installer checklistSTAIRS
How to measure stairs for carpet
Treads, risers, nosing, landings, pie and bullnose steps. Measure each step size and work out the area before the installer plans the cuts.
Stair parts · Step groups · Worked exampleHARD-SURFACE FLOORING
How to measure for vinyl plank, laminate and tile
Measure rooms and closets, leave out cabinets and islands, mark transitions, add waste and round up to whole cartons.
Cabinets and doorways · Waste · Carton mathCHOOSE YOUR TOOL
Phone measuring app, tape measure or laser?
Choose a measuring workflow for your space, then check the dimensions that matter before ordering or fitting materials.
Camera capture · Direct checks · Organized recordsSTART HERE
Measure a room with an Android phone
Prepare the space, capture a horizontal room outline, review dimensions, save your work and share a report.
Room capture · Projects · PDF reportsFLOOR PLANS
How to make a floor plan on your Android phone
Measure each room, add doors, connect rooms in the Floor Planner, fix a wall, then print to scale or export DXF and SVG.
Floor Planner · Room Editor · Print to scaleBEFORE YOU INSTALL
Supported Android devices and capture conditions
Understand Android, ARCore and camera requirements, then check the conditions that can affect tracking.
Compatibility · Lighting · TroubleshootingPROJECT PLANNING
Room measurements for painting preparation
Separate the floor outline from paintable wall area. Work through an example using independently measured wall heights and openings.
Perimeter · Wall area · Separate calculationsPROJECT PLANNING
How to measure a room for flooring
Calculate rectangular and L-shaped floor areas, convert feet and inches, and keep measured area separate from your material order.
Square footage · Irregular rooms · Material planningFOR FLOORING PROS
Room measuring app for flooring contractors
Measure rooms and stairs, mark transitions, add photos and send branded PDF reports with your logo. One plan, priced per license.
Job-site workflow · Branded reports · LimitsFIND YOUR WORKFLOW
Measurements for work and everyday projects
Explore distinct examples for tradespeople, businesses, designers, property managers, homeowners and DIY users.
Work projects · Home projects · Organized recordsLength, area and perimeter answer different questions.
A wall length describes one edge of a room. Floor area describes the horizontal space inside its outline. Perimeter adds the lengths around the boundary. Keeping those numbers attached to a named room makes them easier to review and discuss.
None of these numbers alone gives you a complete material order. Flooring layout, paintable wall height, openings, product coverage and fitting tolerances need their own checks. The guides explain those distinctions with worked examples.
Keep the room and the record together.
I Measure Pro combines horizontal room-outline capture with wall lengths, area, perimeter, project organization and dimensioned reports. One plan, Measure at $10.99 a month, covers personal and business use with unlimited projects; see what Measure includes.
Android is available on Google Play. The Apple version for iPhone and iPad is in development. See the Android availability page for the official Google Play link and Android QR code.
