Convert square feet to square inches
1 square foot equals 144 square inches. Enter a value below to convert instantly.
Multiply the number of square feet by 144 to get square inches. How this is calculated
Need the other direction? Convert square inch to square foot →
Formula
Multiply the number of square feet by 144 to get square inches.
Step by step
- Start with 1 ft².
- Multiply by the conversion factor 144.
- 1 × 144 = 144 in².
Square Feet to Square Inches conversion table
| Square Feet (ft²) | Square Inches (in²) |
|---|---|
| 1 | 144 |
| 2 | 288 |
| 3 | 432 |
| 5 | 720 |
| 10 | 1,440 |
| 20 | 2,880 |
| 50 | 7,200 |
| 100 | 14,400 |
| 500 | 72,000 |
| 1,000 | 144,000 |
Convert Square Foot to other area units
1 ft² expressed in every other area unit on this site.
- Square Meter m² 0.09290304
- Square Kilometer km² 9.290304e-8
- Square Hectometer hm² 0.000009290304
- Square Dekameter dam² 0.0009290304
- Square Decimeter dm² 9.290304
- Square Centimeter cm² 929.0304
- Square Millimeter mm² 92,903.04
- Square Micrometer µm² 92,903,040,000
- Square Nanometer nm² 9.290304e+16
- Hectare ha 0.000009290304
- Are a 0.0009290304
- Square Mile mi² 3.5870064e-8
- Acre ac 0.000022956841
- Square Yard yd² 0.11111111
- Square Foot ft² 1
- Square Inch in² 144
- Square Mil mil² 144,000,000
- Circular Inch circ in 183.34649
- Circular Mil cmil 183,346,490
- Square Rod rd² 0.0036730946
- Square Perch perch² 0.0036730946
- Square Pole pole² 0.0036730946
- Square Chain ch² 0.00022956841
- Rood rood 0.000091827365
- Section section 3.5870064e-8
- Township township 9.9639067e-10
- Homestead homestead 1.4348026e-7
- Sabin sabin 1
- Square Mile (US survey) mi² (US) 3.5869921e-8
- Acre (US survey) ac (US) 0.000022956749
- Square Foot (US survey) ft² (US) 0.999996
- Square Rod (US survey) rd² (US) 0.0036730799
- Barn b 9.290304e+26
- Electron Cross Section σₑ 1.3965219e+27
- Arpent (area) arpent 0.000027173428
- Cuerda cuerda 0.000023637071
- Plaza plaza 0.0000145161
- Varas Castellanas Cuad vara² (cast) 0.13295852
- Varas Conuqueras Cuad vara² (con) 0.014773169
- Pyeong 평 0.02810317
- Hop (area) 홉 0.2810317
- Jak (area) 작 2.810317
- Myo 무 0.00093677232
- Danbo 단보 0.000093677232
- Jeongbo 정보 0.0000093677232
About the square foot
The square foot (ft²) is a Imperial unit of area.
About the square inch
The square inch (in²) is a Imperial unit of area.
Where this conversion is used
Converting square feet to square inches comes up when real estate, flooring, land plots, gardens, and paint coverage.
Related conversions
Frequently asked questions
How many square inches are in a square foot?
One square foot equals 144 square inches.
How do you convert square feet to square inches?
Multiply the number of square feet by 144 to get square inches.
What is 1 square inch in square feet?
One square inch equals 0.0069444444 square feet.
When would I convert square feet to square inches?
This conversion is common when real estate, flooring, land plots, gardens, and paint coverage.
Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.