Convert Rood to Square Perch
1 rood = 40 square perch (perch²). For example, 10 rood = 400 square perch and 100 rood = 4,000 square perch. Type any value below to convert rood to square perch both ways — it runs entirely in your browser.
Quick answer: Rood to Square Perch
1 Rood = 40 Square Perch (rood → perch²). To convert rood to square perch, multiply by 40. To convert square perch to rood, multiply by 0.025. The converter at the top does this instantly and both ways; the sections below give the formula, worked examples, a full conversion chart and answers to the most common rood-to-square perch questions.
How to convert Rood to Square Perch
To convert rood to square perch, multiply the number of rood by the conversion factor 40, because 1 rood = 40 perch². The conversion is linear, so the same factor works for any value — whole numbers, decimals or fractions. For the reverse direction, 1 perch² = 0.025 rood, so you divide by 40 (or multiply by 0.025) to turn square perch back into rood.
perch² = rood × 40 ·
rood = perch² × 0.025
- Write down the value you want to convert, in rood.
- Multiply it by 40.
- The result is the same area/length/quantity expressed in square perch.
Rood to Square Perch — worked examples
Each row shows the exact arithmetic so you can follow the conversion step by step. For example, 5 rood is 200 square perch because 5 rood × 40 = 200 perch².
| Rood | Calculation | Square Perch |
|---|---|---|
| 1 rood | 1 rood × 40 = 40 perch² | 40 perch² |
| 2 rood | 2 rood × 40 = 80 perch² | 80 perch² |
| 3 rood | 3 rood × 40 = 120 perch² | 120 perch² |
| 5 rood | 5 rood × 40 = 200 perch² | 200 perch² |
| 7 rood | 7 rood × 40 = 280 perch² | 280 perch² |
| 10 rood | 10 rood × 40 = 400 perch² | 400 perch² |
| 12 rood | 12 rood × 40 = 480 perch² | 480 perch² |
| 15 rood | 15 rood × 40 = 600 perch² | 600 perch² |
| 20 rood | 20 rood × 40 = 800 perch² | 800 perch² |
| 25 rood | 25 rood × 40 = 1,000 perch² | 1,000 perch² |
| 50 rood | 50 rood × 40 = 2,000 perch² | 2,000 perch² |
| 100 rood | 100 rood × 40 = 4,000 perch² | 4,000 perch² |
Common Rood to Square Perch conversions
These are the rood-to-square perch values people look up most often. Every figure is computed from the exact factor, so you can rely on them for quick reference:
- 1 rood = 40 square perch
- 2 rood = 80 square perch
- 2.5 rood = 100 square perch
- 3 rood = 120 square perch
- 4 rood = 160 square perch
- 5 rood = 200 square perch
- 6 rood = 240 square perch
- 7 rood = 280 square perch
- 8 rood = 320 square perch
- 9 rood = 360 square perch
- 10 rood = 400 square perch
- 12 rood = 480 square perch
- 15 rood = 600 square perch
- 20 rood = 800 square perch
- 25 rood = 1,000 square perch
- 30 rood = 1,200 square perch
- 50 rood = 2,000 square perch
- 75 rood = 3,000 square perch
- 100 rood = 4,000 square perch
- 200 rood = 8,000 square perch
- 500 rood = 20,000 square perch
- 1000 rood = 40,000 square perch
Rood to Square Perch conversion chart (both directions)
The chart below converts rood to square perch and square perch to rood side by side, so it works whichever way you need. 1 rood = 40 square perch, and 1 square perch = 0.025 rood.
| Rood → Square Perch | Square Perch → Rood |
|---|---|
| 0.25 rood = 10 perch² | 0.25 perch² = 0.00625 rood |
| 0.5 rood = 20 perch² | 0.5 perch² = 0.0125 rood |
| 1 rood = 40 perch² | 1 perch² = 0.025 rood |
| 2 rood = 80 perch² | 2 perch² = 0.05 rood |
| 3 rood = 120 perch² | 3 perch² = 0.075 rood |
| 4 rood = 160 perch² | 4 perch² = 0.1 rood |
| 5 rood = 200 perch² | 5 perch² = 0.125 rood |
| 6 rood = 240 perch² | 6 perch² = 0.15 rood |
| 7 rood = 280 perch² | 7 perch² = 0.175 rood |
| 8 rood = 320 perch² | 8 perch² = 0.2 rood |
| 9 rood = 360 perch² | 9 perch² = 0.225 rood |
| 10 rood = 400 perch² | 10 perch² = 0.25 rood |
| 12 rood = 480 perch² | 12 perch² = 0.3 rood |
| 15 rood = 600 perch² | 15 perch² = 0.375 rood |
| 20 rood = 800 perch² | 20 perch² = 0.5 rood |
| 25 rood = 1,000 perch² | 25 perch² = 0.625 rood |
| 30 rood = 1,200 perch² | 30 perch² = 0.75 rood |
| 40 rood = 1,600 perch² | 40 perch² = 1 rood |
| 50 rood = 2,000 perch² | 50 perch² = 1.25 rood |
| 75 rood = 3,000 perch² | 75 perch² = 1.875 rood |
| 100 rood = 4,000 perch² | 100 perch² = 2.5 rood |
| 150 rood = 6,000 perch² | 150 perch² = 3.75 rood |
| 200 rood = 8,000 perch² | 200 perch² = 5 rood |
| 250 rood = 10,000 perch² | 250 perch² = 6.25 rood |
| 500 rood = 20,000 perch² | 500 perch² = 12.5 rood |
| 1000 rood = 40,000 perch² | 1000 perch² = 25 rood |
Rood vs Square Perch: which is bigger?
A rood is the larger unit: one rood equals 40 square perchs. Put another way, you need 40 square perchs to make a single rood.
What is a Rood? History, origin and usage
A rood is a quarter of an acre — 1,210 square yards (10,890 sq ft), or 40 square perches. It is the middle figure in the old "acres, roods and perches" way of writing a land area, so 3 roods means three-quarters of an acre.
What is a Square Perch? History, origin and usage
A square perch is 1/160 of an acre — 30.25 square yards (272.25 sq ft). Also called a square rod or square pole, it is the smallest of the three units in "acres, roods and perches", and 40 of them make one rood.
Convert 1 Rood to other units
It can help to see a rood next to the other units it is commonly compared with. One rood (rood) is equal to:
| 1 Rood equals | Unit |
|---|---|
| 1,210 gaj | Gaj |
| 40 marla | Marla |
| 2 kanal | Kanal |
| 0.25 killa | Killa |
| 0.01 murabba | Murabba |
| 25 decimal | Decimal |
| 25 cent | Cent |
| 10 guntha | Guntha |
| 0.25 ac | Acre |
| 40 perch² | Square Perch |
| 0.1011714 ha | Hectare |
| 10,890 ft² | Square Foot |
| 1,210 yd² | Square Yard |
| 1,011.714 m² | Square Metre |
| 10,117,140 cm² | Square Centimetre |
| 1,011,714,000 mm² | Square Millimetre |
| 1,568,160 in² | Square Inch |
| 0.001011714 km² | Square Kilometre |
| 10.11714 are | Are |
| 1.011714 daa | Decare |
| 0.000390625 mi² | Square Mile |
| 0.25 ac | Acre |
| 1,210 yd² | Square Yard |
| 10,890 ft² | Square Foot |
| 0.1011714 ha | Hectare |
| 360 karam² | Square Karam |
| 4.5375 ground | Ground |
| 75.625 lessa | Lessa |
| 242 chatak | Chatak |
| 0.1890625 pura | Pura |
Convert 1 Square Perch to other units
One square perch (perch²) is equal to:
| 1 Square Perch equals | Unit |
|---|---|
| 30.25 gaj | Gaj |
| 1 marla | Marla |
| 0.05 kanal | Kanal |
| 0.00625 killa | Killa |
| 0.00025 murabba | Murabba |
| 0.625 decimal | Decimal |
| 0.625 cent | Cent |
| 0.25 guntha | Guntha |
| 0.00625 ac | Acre |
| 0.025 rood | Rood |
| 0.002529285 ha | Hectare |
| 272.25 ft² | Square Foot |
| 30.25 yd² | Square Yard |
| 25.29285 m² | Square Metre |
| 252,928.5 cm² | Square Centimetre |
| 25,292,850 mm² | Square Millimetre |
| 39,204 in² | Square Inch |
| 0.00002529285 km² | Square Kilometre |
| 0.2529285 are | Are |
| 0.02529285 daa | Decare |
| 0.000009765625 mi² | Square Mile |
| 0.00625 ac | Acre |
| 30.25 yd² | Square Yard |
| 272.25 ft² | Square Foot |
| 0.002529285 ha | Hectare |
| 9 karam² | Square Karam |
| 0.1134375 ground | Ground |
| 1.890625 lessa | Lessa |
| 6.05 chatak | Chatak |
| 0.004726562 pura | Pura |
Tips for converting Rood to Square Perch
- To go from rood to square perch, multiply by 40; to go back, divide by 40 (or multiply by 0.025).
- For a quick mental estimate, remember that 1 rood ≈ 40 square perch, so 10 rood ≈ 400 square perch.
- The converter above keeps full precision; the tables round for readability, so use the tool for exact figures.
- Both fields update live as you type — change either side to convert in that direction.
How to use this Rood to Square Perch converter
Type a number into the Rood field and the equivalent in Square Perch appears instantly — there is no “convert” button to press and nothing is sent to a server, so it works offline once the page has loaded and is safe for any data. You can also type into the Square Perch field to convert the other way (square perch to rood). Use the swap control to flip the two units, and copy the result with a single click. Because the calculation runs in your browser with full floating-point precision, the converter is more exact than the rounded figures shown in the reference chart above — use the chart for quick look-ups and the tool for precise work.
Accuracy and method
Every figure on this page — the formula, the worked examples, the conversion chart and the “convert to other units” tables — is computed from a single verified conversion factor (1 rood = 40 perch²), never copied from a hand-typed lookup table that could drift. That factor is derived from each unit’s definition in terms of a common base unit, and an automated check re-verifies all of the site’s factors on every update, so the numbers here stay correct over time. This matters for rood-to-square perch conversions because a small rounding error in a published table compounds quickly at larger quantities; computing from the exact factor avoids that.
Sources
- BIPM — The International System of Units (SI Brochure) — the defining document for the SI, published by the International Bureau of Weights and Measures. It fixes the base unit that this conversion resolves to, which is why the factor here can be exact rather than approximate.
- NIST — Definitions of the SI base units — the US National Institute of Standards and Technology reference for the SI base units, used here as an independent cross-check on the base-unit definition.
Indian land units can vary by state and local custom. This converter uses the most widely accepted standard value; always confirm against your local revenue records (patwari / tehsil) for legal transactions.
Frequently asked questions
- How many square perch are in 1 rood?
- 1 rood = 40 square perch (perch²). To convert any number of rood to square perch, multiply by 40.
- How do I convert rood to square perch?
- Multiply the number of rood by 40. For example, 10 rood = 10 × 40 = 400 square perch, and 25 rood = 1,000 square perch.
- How many rood are in 1 square perch?
- 1 square perch = 0.025 rood. So to convert square perch back to rood, multiply by 0.025.
- What is the formula to convert rood to square perch?
- square perch = rood × 40. The reverse formula is rood = square perch × 0.025.
- How much is 100 rood in square perch?
- 100 rood = 4,000 square perch. (And 1000 rood = 40,000 square perch.)
- Which is bigger, a rood or a square perch?
- A rood is larger: 1 rood = 40 square perch.
- Is this rood to square perch converter accurate?
- Yes — every value is computed from the exact 40 perch² per rood factor (not rounded look-up tables), and the factors are re-verified automatically on every update.
- Can I convert square perch to rood too?
- Yes. The converter works both ways — enter a value in either field. 1 square perch = 0.025 rood.