Square Yard to Square Kilometer Converter

Area Converter

20 units available

Decimals:

From

To

8.361274e-7

1 yd² = 8.361274e-7 km²

Formula:

km² = yd² × 8.361274e-7

With your value: 1 yd² = 8.361274e-7 km²

How big is that?

Everyday references on a logarithmic scale, all expressed in square yard so you can sanity-check the result.

Postage stamp (1/1.4e+3 your value)0.000718 yd²

A4 sheet (1/13 your value)0.0747 yd²

Your value1.00 yd²

Parking space (15× your value)14.9 yd²

Tennis court (3.1e+2× your value)312 yd²

Football pitch (8.5e+3× your value)8.54e+3 yd²

Other Square Yard to Square Kilometer conversions

2 yd² to km² 3 yd² to km² 4 yd² to km² 5 yd² to km² 6 yd² to km² 7 yd² to km² 8 yd² to km²

Square Yard to Square Kilometer Conversion Table

Square Yard (yd²)	Square Kilometer (km²)
0.5	4.180637e-7
1	8.361274e-7
2	1.672255e-6
5	4.180637e-6
10	8.361274e-6
15	1.254191e-5
20	1.672255e-5
25	2.090318e-5
50	4.180637e-5
100	8.361274e-5
250	0.000209
500	0.000418
1000	0.000836

Square Kilometer to Square Yard Conversion Table

Square Kilometer (km²)	Square Yard (yd²)
0.5	597,995.023151
1	1,195,990.046301
2	2,391,980.092602
5	5,979,950.231505
10	11,959,900.463011
15	17,939,850.694516
20	23,919,800.926022
25	29,899,751.157527
50	59,799,502.315054
100	119,599,004.630108
250	298,997,511.57527
500	597,995,023.15054
1000	1,195,990,046.30108

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Square Yard (yd²)

Area

Exact conversion

Derived from the square metre via the length definitions above.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Square Kilometer (km²)

Area

Exact conversion

Derived from the square metre via the length definitions above.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Square Yard to Square Kilometer

To convert from Square Yard (yd²) to Square Kilometer (km²), multiply the value by 8.361274e-7.

Formula: km² = yd² × 8.361274e-7

Reverse: yd² = km² × 1,195,990.0463010804

Step-by-Step Example

Start with your value in Square Yard. For example: 5 yd²
Multiply by the conversion factor: 5 x 8.361274e-7
The result is: 4.180637e-6 km²

About Square Yard

The square yard (yd²) is a unit of area. One square yard equals 0.83612736 square metres. UnitConvertLab converts it against every other area unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: area calculations, engineering and science, education.

About Square Kilometer

The square kilometer (km²) is a unit of area. One square kilometer equals 1.000000 × 10^+6 square metres. UnitConvertLab converts it against every other area unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: area calculations, engineering and science, education.

Frequently Asked Questions

How many Square Kilometer are in 1 Square Yard?

There are exactly 8.361274e-7 Square Kilometer in 1 Square Yard. This means the conversion factor from Square Yard to Square Kilometer is 8.361274e-7.

What is the formula to convert Square Yard to Square Kilometer?

The formula to convert Square Yard to Square Kilometer is: km² = yd² × 8.361274e-7. For example, to convert 10 Square Yard to Square Kilometer, you would multiply 10 by 8.361274e-7.

What is a Square Yard?