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A rai (Thai: ไร่) is a unit of area, equal to 1 square sen (เส้น) or 1,600 square meters (40m × 40m), and is used in measuring land area for a cadastre or cadastral map. Its cur ..more definition+
In relation to the base unit of [area] => (square meters), 1 Square Chains (sq ch) is equal to 404.68564224 square-meters, while 1 Rais (ไร่) = 1600 square-meters.| 1 Square Chains | to common area units |
|---|---|
| 1 sq ch | = 404.68564224 square meters (m2, sq m) |
| 1 sq ch | = 4046856.4224 square centimeters (cm2, sq cm) |
| 1 sq ch | = 0.00040468564224 square kilometers (km2, sq km) |
| 1 sq ch | = 4356.0018755046 square feet (ft2, sq ft) |
| 1 sq ch | = 627264 square inches (in2, sq in) |
| 1 sq ch | = 484 square yards (yd2, sq yd) |
| 1 sq ch | = 0.00015625000002027 square miles (mi2, sq mi) |
| 1 sq ch | = 627264000000 square mils (sq mil) |
| 1 sq ch | = 0.040468564224 hectares (ha) |
| 1 sq ch | = 0.099999911595657 acres (ac) |
| Square Chains | to Rais (table conversion) |
|---|---|
| 1 sq ch | = 0.2529285264 ไร่ |
| 2 sq ch | = 0.5058570528 ไร่ |
| 3 sq ch | = 0.7587855792 ไร่ |
| 4 sq ch | = 1.0117141056 ไร่ |
| 5 sq ch | = 1.264642632 ไร่ |
| 6 sq ch | = 1.5175711584 ไร่ |
| 7 sq ch | = 1.7704996848 ไร่ |
| 8 sq ch | = 2.0234282112 ไร่ |
| 9 sq ch | = 2.2763567376 ไร่ |
| 10 sq ch | = 2.529285264 ไร่ |
| 20 sq ch | = 5.058570528 ไร่ |
| 30 sq ch | = 7.587855792 ไร่ |
| 40 sq ch | = 10.117141056 ไร่ |
| 50 sq ch | = 12.64642632 ไร่ |
| 60 sq ch | = 15.175711584 ไร่ |
| 70 sq ch | = 17.704996848 ไร่ |
| 80 sq ch | = 20.234282112 ไร่ |
| 90 sq ch | = 22.763567376 ไร่ |
| 100 sq ch | = 25.29285264 ไร่ |
| 200 sq ch | = 50.58570528 ไร่ |
| 300 sq ch | = 75.87855792 ไร่ |
| 400 sq ch | = 101.17141056 ไร่ |
| 500 sq ch | = 126.4642632 ไร่ |
| 600 sq ch | = 151.75711584 ไร่ |
| 700 sq ch | = 177.04996848 ไร่ |
| 800 sq ch | = 202.34282112 ไร่ |
| 900 sq ch | = 227.63567376 ไร่ |
| 1000 sq ch | = 252.9285264 ไร่ |
| 2000 sq ch | = 505.8570528 ไร่ |
| 4000 sq ch | = 1011.7141056 ไร่ |
| 5000 sq ch | = 1264.642632 ไร่ |
| 7500 sq ch | = 1896.963948 ไร่ |
| 10000 sq ch | = 2529.285264 ไร่ |
| 25000 sq ch | = 6323.21316 ไร่ |
| 50000 sq ch | = 12646.42632 ไร่ |
| 100000 sq ch | = 25292.85264 ไร่ |
| 1000000 sq ch | = 252928.5264 ไร่ |
| 1000000000 sq ch | = 252928526.4 ไร่ |