Area Conversion Calculator — Sq Ft ↔ Sq M ↔ Acres ↔ Hectares (2026)
📐 FREE Tool · 2026 Units
Area Converter — Square Feet, Meters, Yards, Acres, Hectares & More
Instantly convert between US customary and metric area units. Includes residential sq ft, land acres, roofing squares, and Canadian hectares.
📏 Equivalent in Sq Ft
2,000.00
sq ft (US residential reference)
🌍 Equivalent in Sq Meters
185.81
sq m (Metric / Canada reference)
🏠 Approx. Property Scale
4-Bed Family Home
~2,000 sq ft US average new build (2026)
📑 Quick Navigation
Area conversion is one of the most practical everyday math skills for US and Canada homeowners, renovators, and real estate investors. Whether you're quoting flooring (square yards), getting a roof replacement (roofing squares), buying a rural vacant lot (acres vs hectares), or comparing an American house listing in square feet to a Canadian one in square meters — getting the unit math wrong can cost you literally thousands of dollars in materials, pricing, or due diligence mistakes.
🔑 Key Takeaways — Area Conversions for US & Canada
- #1 US → Canada residential rule of thumb: 1 sq ft = 0.0929 sq m. Rough mental shortcut: divide sq ft by 10.76 → gives sq m.
- #2 Land (acres ↔ hectares): 1 hectare = 2.471 acres = 107,639 sq ft. 1 acre = 43,560 sq ft = 0.4047 hectare.
- 1 roofing square = 100 sq ft (roof area, not floor area). Multiply floor sq ft by ~1.2–1.5 to get roof area (depends on pitch).
- 1 square yard = 9 sq ft. Carpet/flooring is almost always priced in sq yd in the US (and sq m in Canada).
- 1 gallon of paint covers ~300–400 sq ft of wall (1 coat). Measure wall area by: (Perimeter × Ceiling Height) − (Door + Window area).
📐 Complete Area Unit Conversion Table (2026 US Survey & Metric)
All conversion factors below use the US Survey Foot (1200/3937 m ≈ 0.3048006 m) for land areas and the International Foot (exactly 0.3048 m) for construction/indoor. For WikEst reader purposes, they're identical up to the 5th decimal place.
| Unit | Symbol | In Square Feet | In Square Meters | Common Use Case |
|---|---|---|---|---|
| Square Inch | sq in, in² | 1/144 = 0.00694 | 0.000645 | Tile, countertop samples, small repair patching |
| Square Foot | sq ft, ft² | 1 | 0.09290304 | US residential floor plans, home listings, wall paint |
| Square Yard | sq yd, yd² | 9 | 0.836127 | Carpet, vinyl flooring, sod for small lawns |
| Square Meter | sq m, m² | 10.76391 | 1 | Canada real estate listings, EU/global property, metric construction |
| Roofing Square | rooftop sq | 100 | 9.2903 | Roofing contractors standard unit (materials + labor quote) |
| Acre (US Survey) | ac | 43,560 | 4,046.86 | US & Canada rural/suburban vacant land, farm field sizing |
| Hectare | ha | 107,639.1 | 10,000 | Canada metric land surveys, European farmland, city parks |
| Square Kilometer | sq km, km² | 10,763,910 | 1,000,000 | Large municipalities, forestry, national parks |
| Square Mile | sq mi, mi² | 27,878,400 | 2,589,988 | US county land area, metro region population density (640 acres = 1 sq mi) |
How to Calculate Area — Room, Land Parcel, Roof, Wall
Before you convert area units, you first need to measure and calculate the actual area. Here are the 4 most common shapes WikEst readers encounter, and the exact formula for each:
Rectangle / Square (most rooms & lots): Area = Length × Width
Right Triangle (half-rectangle lot cuts, gable ends): Area = (Base × Height) ÷ 2
Circle (driveway cul-de-sac, round pool): Area = π × Radius² (π ≈ 3.14159)
Trapezoid (irregular lot with 2 parallel sides): Area = ((Side A + Side B) ÷ 2) × Distance between parallel sides
Pro measurement tips (don't skip these):
- For a house's gross floor area: measure exterior walls (not interior drywall), each floor separately, include stairwells, exclude unfinished attic/crawl unless heated & permitted
- For an irregular lot: break it into 2–3 rectangles + triangles, calculate each separately, add them up. County assessor GIS maps already do this for you and list the official acreage — trust that number over your tape.
- For walls: Perimeter (2×L + 2×W) × Ceiling Height, THEN subtract 20 sq ft per standard door, 15 sq ft per bedroom window, 40 sq ft per sliding glass door. Gives you accurate paint coverage.
Area Conversion Formulas — Memorize These 6 (US + Metric)
These are the only 6 formulas you'll need 99% of the time as a US/Canada homeowner, investor, or renovator:
- Sq Ft → Sq M (US home → Canadian listing): Multiply sq ft × 0.09290304. Shortcut: divide by ~10.76 (close enough for estimating)
- Sq M → Sq Ft (Canada → US): Multiply sq m × 10.76391. Shortcut: multiply by 10, add 7.6% (also close enough)
- Acres → Sq Ft (lot size → floorplan scale): Multiply acres × 43,560.
- Acres → Hectares (US land → Canada land): Multiply acres × 0.404686.
- Hectares → Acres (Canada → US): Multiply hectares × 2.47105.
- Floor Sq Ft → Roofing Squares: (Floor sq ft × Roof Pitch Multiplier) ÷ 100. 1.05 multiplier = nearly flat roof; 1.20 = standard gable (4/12 pitch); 1.50 = steep roof (8/12+ pitch).
🇺🇸 US Home Square Footage — Typical Size by Property Type (2026 Census)
🇺🇸 US Typical Residential Sizes (New Construction, NAHB 2026 Data)
| Home Type | Typical Sq Ft Range | Sq Meters (for Canadian comparison) |
|---|---|---|
| Studio Apartment | 450 – 650 sq ft | 42 – 60 sq m |
| 1-Bed Apartment | 650 – 900 sq ft | 60 – 84 sq m |
| 2-Bed Townhouse | 1,200 – 1,600 sq ft | 111 – 149 sq m |
| 3-Bed Family Home (avg. new build) | 1,800 – 2,300 sq ft | 167 – 214 sq m |
| 4-Bed Luxury Home | 2,500 – 3,800 sq ft | 232 – 353 sq m |
| McMansion / Custom Build | 4,500 – 7,000 sq ft | 418 – 650 sq m |
| ADU / Granny Flat (accessory unit) | 400 – 1,200 sq ft | 37 – 111 sq m |
| 1-Car Garage | ~240 sq ft (12×20) | ~22 sq m |
| 2-Car Garage (standard) | ~400 sq ft (20×20) | ~37 sq m |
🇨🇦 Canada Land Survey & Property Measurements — Metric System
🇨🇦 Canada Standard Lot & Home Sizes (CMHC / StatCan 2026)
Canada officially uses metric (m² for homes, hectares for land). But many BC and Ontario listings still quote sq ft informally because of cross-border US investor demand.
| Property Type (Canada) | Typical Size (sq meters) | Sq Ft (for US comparison) |
|---|---|---|
| 1-Bed Condo (Toronto/Vancouver) | 55 – 75 m² | 592 – 807 sq ft |
| 2-Bed Semi-Detached | 110 – 150 m² | 1,184 – 1,615 sq ft |
| 3-Bed Detached (avg. GTA) | 180 – 250 m² | 1,938 – 2,691 sq ft |
| 4-Bed Luxury West Van | 300 – 500 m² | 3,229 – 5,382 sq ft |
| Standard Urban Lot (Toronto) | 250 – 375 m² | 2,691 – 4,037 sq ft (0.06–0.09 ac) |
| Suburban Single-Family Lot | 500 – 900 m² | 5,382 – 9,688 sq ft (0.12–0.22 ac) |
| 1 Hectare Rural Lot | 10,000 m² = 1 ha | 107,639 sq ft = 2.471 acres |
| Standard Canadian Farm Quarter-Section | ~64.75 hectares | 160 acres (Prairie provinces) |
| Canadian Township (Prairie survey) | 9,324 hectares | 23,040 acres = 36 sq miles |
🏡 US & Canada Real-World Area Conversion Examples
These scenarios happen to WikEst readers every week. Get the conversion right and you avoid costly mistakes.
🏘️ Example 1 — American Buying a Vancouver BC Condo (Sq Ft ↔ Sq M)
Scenario: You're from Seattle WA. You find a Coal Harbour Vancouver listing quoting 1,420 sq ft. But your Canadian mortgage broker pre-approved you based on a 130 m² maximum. Is this property within your approval? Also: Vancouver price is CAD $2,150 per sq ft — what's that per sq m for your mental US comparison?
- Convert sq ft → sq m: 1,420 × 0.09290304 = 131.92 sq m
- ⚠️ Result: 131.92 m² > 130 m² approved. Just barely OVER your approval by ~2 sq m — you need to ask your broker if they round up/down, or if 1.5% over is acceptable with compensating factors (larger down, 780 FICO).
- Price per sq m: CAD $2,150 / 0.09290304 = CAD $23,142 per sq m. Divide by 1.36 (USD/CAD rate from our FX calculator) = USD $17,016 per sq m → this is comparable to Manhattan or San Francisco tier pricing.
- What if the listing had said "132 m²" and you'd done a rough 1:10.76 divide in your head? 1,420 ÷ 10.76 = ~131.97 m² — dead on. ✓
🚜 Example 2 — Canadian Investor Buying 5-Acre Rural Land in Upstate NY (Acres ↔ Hectares)
Scenario: Calgary investor buying a 5-acre building lot near Buffalo NY. Asking price USD $89,900. Their Canadian farm partner needs the size in hectares, and the price per hectare in CAD to compare to Alberta farmland comps. Also: is 5 acres enough for a custom home + detached 40×60 shop + pasture for 2 horses + septic + well?
- 5 acres × 43,560 sq ft/acre = 217,800 sq ft total
- 5 acres × 0.404686 = 2.023 hectares (round: ~2.02 ha)
- Price per hectare USD: $89,900 ÷ 2.023 = USD $44,439/ha
- Convert to CAD (×1.36 from FX calc): CAD $60,437/ha. Comparable Alberta bare land near Calgary runs CAD $45K–$80K/ha depending on road access + services — this NY deal is in the middle of that range. ✓
- Can you fit everything? House + shop footprint ~ 6,000 sq ft + septic/well reserve ~ 15,000 sq ft + 2 horse paddock ~ 40,000 sq ft = ~61,000 sq ft. You have 217,800 sq ft. Answer: YES, comfortably with ~72% of the lot still open.
🔨 Example 3 — US Homeowner Replacing Roof (Sq Ft ↔ Roofing Squares)
Scenario: You live in Dallas TX. Your house is a 2,400 sq ft single-story with a 4/12 pitch gable roof. One roofer quotes "28.8 roofing squares of architectural shingles for $14,980". Another quotes "$5.25 per sq ft installed, labor + materials". Which quote is better? And is 28.8 squares a realistic quantity?
- Convert floor sq ft to roof sq ft: 2,400 × 1.20 (standard 4/12 pitch multiplier) = 2,880 sq ft roof area
- Convert to roofing squares: 2,880 ÷ 100 = 28.8 roofing squares. The first roofer's quantity matches your estimate exactly — no padding, honest. ✓
- Roofer #1 effective per-sq-ft: $14,980 ÷ 2,880 sq ft = $5.20/sq ft installed
- Roofer #2: $5.25/sq ft installed
- 🏆 Roofer #1 wins by ~$144 total (equivalent difference is tiny — but Roofer #1 also got the quantity exactly right, which is a better signal of workmanship/attention to detail than the $144 gap).
🧱 Example 4 — Renovation: Carpet + Paint Area (Sq Ft ↔ Sq Yd + Gallons)
Scenario: Remodeling a living room in Orlando FL. Room is 22 ft × 16 ft with 9 ft ceilings, 1 standard door (36"×80"), 1 window (60"×48"). Home Depot has "LifeProof carpet $24.99 per square yard installed, 10% off sale" and "BEHR Premium Plus $38.99 per gallon, 350 sq ft per gallon 1-coat". Budget for both.
- Floor area for carpet: 22 × 16 = 352 sq ft
- Convert sq ft → sq yd: 352 ÷ 9 = 39.11 sq yd. Carpet is sold in 12-ft rolls; real-world waste factor ~10% → round up to 43 sq yd to buy.
- Carpet cost before sale: 43 × $24.99 = $1,074.57. After 10% off: $967.11.
- Paint wall surface: Perimeter = (22+16)×2 = 76 ft. Gross wall = 76 × 9 = 684 sq ft. Minus: door = 20 sq ft, window = 20 sq ft. Net = 644 sq ft paint area.
- Gallons needed (1 coat): 644 ÷ 350 = 1.84 → buy 2 gallons (standard practice: 2 coats for color change = 4 gallons total)
- 2-coat paint cost: 4 × $38.99 = $155.96.
- Total carpet + paint budget (before tax): $967.11 + $155.96 = $1,123.07 USD.
🏠 Roofing Squares — The Contractor Unit (Not Taught in School)
This is the #1 "hidden" unit that causes pricing sticker shock and arguments between homeowners and roofers. A roofing square is NOT a square with 100-ft sides. It is 100 SQUARE FEET of roof surface area. That's it. The unit exists because a typical 3-tab asphalt shingle bundle covers ~33.3 sq ft (so 3 bundles = 1 roofing square, handy).
Roof pitch multipliers (multiply FLOOR sq ft by these to get ROOF sq ft):
| Roof Pitch | Description | Multiplier (× Floor Sq Ft) | US Commonality |
|---|---|---|---|
| 2/12 | Almost flat (porch, shed roof) | ×1.014 | Low-slope commercial, flat roof residential (rare) |
| 4/12 | Mild gable (sunbelt homes) | ×1.202 | Very common — Texas, Florida, Arizona |
| 6/12 | Standard gable (US median) | ×1.414 | Midwest, Northeast, Pacific Northwest standard |
| 8/12 | Steep roof (colonial, craftsman) | ×1.667 | Common on luxury + historic homes |
| 12/12 (45°) | Very steep (alpine chalet style) | ×2.000 | Mountain states (Colorado, Utah, BC Canada) |
🟫 Flooring & Carpet — Why Square Yards Still Exist in 2026
Almost every other industry has gone decimal or metric, but US carpet and vinyl sheet flooring STILL quotes in square yards because the manufacturing mills run on 12-foot-wide rolls (12 ft × 3 ft = 36 sq ft per linear yard, or 4 sq yd per linear yard). Canada sells flooring by the square meter — no confusion, but you still need to convert for cross-border pricing:
- 1 sq yd = 9 sq ft = 0.8361 sq m
- 1 sq m carpet = 1.196 sq yd = 10.76 sq ft
- US carpet $/sq yd → $/sq ft: divide by 9. ($27/sq yd = $3.00/sq ft)
- Canadian carpet $/sq m → US $/sq yd: divide price per sq m by 0.8361, then divide by FX rate.
- Waste factor rule: 8% for rectangular rooms without seams; 10–12% for open floor plans, stairs, or diagonal install.
🌾 Standard US & Canada Land Plot Size Reference
| Common Name | US Customary | Metric (for Canada) |
|---|---|---|
| Standard City Lot (historical) | 50 ft × 100 ft = 5,000 sq ft = 0.115 acre | 15.24 × 30.48 m = 465 m² = 0.0465 ha |
| Suburban Quarter-Acre Lot | 10,890 sq ft (≈104×105 ft) | 1,012 m² = 0.101 ha |
| Half-Acre Lot | 21,780 sq ft | 2,023 m² = 0.202 ha |
| 1 Acre | 43,560 sq ft (≈208.7 ft × 208.7 ft if square) | 4,047 m² = 0.405 ha |
| 5 Acre Hobby Farm | 217,800 sq ft | 2.02 hectares |
| 10 Acres | 435,600 sq ft (≈660 ft × 660 ft) | 4.047 hectares |
| 40 Acres (quarter-quarter section) | 1,742,400 sq ft = 0.0625 sq mi | 16.19 hectares |
| 1 Section (US Public Land Survey) | 640 acres = 1 square mile | 259 hectares = 2.59 km² |
| 1 Township | 36 sections = 23,040 acres = 36 sq mi | 9,324 hectares = 93.24 km² |
🎨 Renovation Paint & Material Area Formula (Save on Materials)
Over-buying paint and tile is one of the top 5 renovation budget leaks. Use these exact formulas:
WALL Area (paint): (2×Length + 2×Width) × Ceiling Ht − 20sqft per door − 15sqft per window
TILE (bath floor/wall): Total sq ft × 1.10 waste factor (buy 10% extra for cuts, breakage, future repairs)
DRYWALL Sheets: Total ceiling + wall sq ft ÷ 32 (for 4×8 sheets) × 1.08 waste → round UP to next whole sheet
CONCRETE (slab, cu yd): (Length ft × Width ft × Depth ft) ÷ 27 × 1.05 waste → order 5% extra
⚠️ 5 Most Common Area Conversion Mistakes (Avoid These)
- ❌ Mistake #1: Confusing "linear" with "square". $8 per linear foot fence is NOT $8 per sq ft. Linear = one dimension only; square = length × width. 100-ft fence = $800. A 100×100 ft patio = 10,000 sq ft. Huge difference.
- ❌ Mistake #2: Using the 1:10 "good enough" shortcut for LARGE properties. Dividing by 10 (instead of 10.764) for sqm conversion for a 10-acre lot is off by ~7% — that's a 0.7 acre discrepancy, or ~$20,000 on $300K land.
- ❌ Mistake #3: Forgetting the roof pitch multiplier. Treating floor sq ft as roof sq ft under-states a 6/12 pitch roof by 41% → you either order 40% too few shingles OR you accuse the roofer of padding. Neither is good.
- ❌ Mistake #4: County assessor sq ft ≠ Appraiser sq ft ≠ Builder sq ft. All three count different things (garage? finished basement? ADU? enclosed porch?). Always get the official ANSI-Z765 measured floor plan from a licensed appraiser before arguing a 200 sq ft discrepancy on a listing.
- ❌ Mistake #5: Not adding the 10% material waste factor. If you order exactly 352 sq ft of carpet for a 22×16 room you WILL run short because of how 12-ft rolls line up against the room. Always add 8–15% waste for every cuttable material (tile, carpet, hardwood, drywall, shingles).
FAQ — Every Area Conversion Question (Search Console Answered)
Multiply the square feet value by 0.09290304. Example: 1,500 sq ft × 0.09290304 = 139.355 sq m. Quick mental shortcut: divide sq ft by 10.76 (or roughly divide by 10, then subtract 7% — accurate within 1% for residential estimates).
1 acre = 43,560 square feet (US Survey definition — set by Congress in 1866). 1 acre = 0.404686 hectares. Going the other way: 1 hectare = 2.471 acres = 107,639 square feet = 10,000 square meters. A square-shaped 1-acre lot is ≈ 208.71 feet per side.
1 roofing square = 100 square feet of roof surface area. Standard 3-tab asphalt shingles: 3 bundles = 1 square (33.3 sq ft per bundle). Architectural/dimensional shingles are usually heavier: 4 bundles = 1 square. Always read the bundle label — it says on the wrapper how many sq ft it covers.
Divide your room's square footage by 9 to get square yards. 22 ft × 16 ft = 352 sq ft = 39.11 sq yd. Then add 8–12% waste for roll seams and cuts. Real-world for that 352 sq ft room: buy 43 sq yd, not 39.11. Under-buying carpet and having to seam in a remnant later looks terrible.
1 gallon of quality interior latex paint covers approximately 350–400 square feet for ONE coat on smooth, previously-painted drywall. On new unpainted drywall with primer already applied: ~300 sq ft/gal first coat, ~350 second coat. Textured walls or dark-to-light color changes: ~250 sq ft/gal. Rule of thumb: buy 1 gal per 300 sq ft of wall (round up), times 2 for two coats.
In Canada, the OFFICIAL legal measurement is metric (square meters for building floor area, hectares for land). However, Realtor.ca and BC/Vancouver Ontario brokers frequently ALSO quote square feet for the benefit of cross-border American buyers and snowbird investors. The sq m number on the survey/title wins in a dispute — treat sq ft as an approximate converted value.
1-car: 12 ft wide × 20 ft deep = 240 sq ft minimum (comfortable: 14×22 = 308 sq ft). 2-car "standard": 20 ft × 20 ft = 400 sq ft (tight — two compact cars only). 2-car comfortable for 2 SUVs/trucks: 24 × 24 = 576 sq ft or 24 × 26 = 624 sq ft. 3-car: 36 × 24 = 864 sq ft minimum. This matters because appraisers count garage sq ft differently than living area (typically 50–70% of finished living sq ft value per sq ft).
Three common causes: 1) Assessor counts the entire garage as GLA; appraiser (Fannie Mae ANSI standard) excludes garage unless it's legally permitted CONVERTED living space with heat. 2) Assessor may count enclosed but unheated/enclosed porch or sunroom. 3) Basement finish status. For a sale/loan, the licensed appraisal is the controlling document. For property tax appeals, the county's internal method is the one that matters. Always ask for the ANSI measurement sketch showing what was included/excluded before arguing.
⚠️ Disclaimer: Area conversion factors on this page use US Survey and International Metric definitions standard in US and Canadian real estate and construction. Measured area of real property should be confirmed by a licensed land surveyor, appraiser (ANSI Z765 floorplans), or qualified contractor for transactions where the exact area matters financially. WikEst provides this as a reference estimator only. Always add industry-standard waste factors (8–15%) when ordering cuttable construction materials.