Direct conversion
Convert square foot [ft²] to square chain [ch²] instantly with formula, examples, chart, and FAQs.
1 square foot [ft²] = 0.00023 square chain [ch²]
1 square foot [ft²] = 0.00023 square chain [ch²]
Example: 1 square foot [ft²] equals 0.00023 square chain [ch²].
Area conversions are derived from squared length relationships, using square metre as the reference unit and fixed factors such as 1 square foot = 0.09290304 square metre.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-08-14.
The square foot is an imperial and US customary area unit equal to 0.09290304 square meters.
HistorySquare feet come from foot-based customary measurement and remain widely used in property and building work.
Current useSquare feet are common for rooms, homes, offices, flooring, roofing, and rental space.
The square chain (ch²) is a area unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse square chain when comparing area values, checking specifications, converting between systems, or preparing quick estimates.
| square foot [ft²] | square chain [ch²] |
|---|---|
| 1 | 0.00023 |
| 2 | 0.000459 |
| 5 | 0.001148 |
| 10 | 0.002296 |
| 20 | 0.004591 |
| 25 | 0.005739 |
| 50 | 0.011478 |
| 100 | 0.022957 |
| 1000 | 0.229568 |
Use this formula: 1 square foot [ft²] = 0.00023 square chain [ch²] Enter your value in the calculator and the result updates instantly.
1 square foot [ft²] equals 0.00023 square chain [ch²].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.