square inch in²
US small surface area.
Quick convert — square inch to popular units
Live converter, three directions. Type any value to update all three.
square inch
square metre
1 in² = 0.0006m²
square inch
square kilometre
1 in² = 6.45e-10km²
square inch
square centimetre
1 in² = 6.4516cm²
Conversion table — square inch to every Area unit
All values for 1 in² (forward) and 1 reverse unit → {symbol}.
| To / From | 1 in² = | 1 to-unit = |
|---|---|---|
| square metre (m²) | 0.00064516 m² | 1,550.00310001 in² |
| square kilometre (km²) | 6.451600e-10 km² | 1,550,003,100.0062 in² |
| square centimetre (cm²) | 6.4516 cm² | 0.15500031 in² |
| hectare (ha) | 6.451600e-8 ha | 15,500,031.000062 in² |
| square foot (ft²) | 0.00694444 ft² | 144 in² |
| square mile (mi²) | 2.490977e-10 mi² | 4,014,489,600.0000005 in² |
| acre (ac) | 1.594225e-7 ac | 6,272,640 in² |
| square yard (yd²) | 0.0007716 yd² | 1,296 in² |
Frequently Asked Questions
What does in² stand for?
square inch (in²) is a unit of Area.
How many in² are in 1 m²?
1 m² = 0.000645 in², so 1 in² = 1,550.0031 m².
Is this the SI base unit?
No. square inch is one of several units in the Area category. The SI base is m².
Common conversions from square inch
#1
square inch (in²) → square meter (m²)
Convert square inch (in²) to square meter.
#2square inch (in²) → square kilometer (km²)
Convert square inch (in²) to square kilometer.
#3square inch (in²) → square centimeter (cm²)
Convert square inch (in²) to square centimeter.
#4square inch (in²) → hectare (ha)
Convert square inch (in²) to hectare.
#5square inch (in²) → square foot (ft²)
Convert square inch (in²) to square foot.
#6square inch (in²) → square mile (mi²)
Convert square inch (in²) to square mile.
#7square inch (in²) → acre (ac)
Convert square inch (in²) to acre.
#8square inch (in²) → square yard (yd²)
Convert square inch (in²) to square yard.