How many yards are in a kilometre?

1,093.61329834 yards, which is 1,250,000/1,143 shown to the twelve significant digits this page prints. The division scales straight up and down, so 0.1 km is 109.361329834 yd, 0.5 km is 546.806649169 yd, 2 km is 2,187.22659668 yd, 10 km is 10,936.1329834 yd and 100 km is 109,361.329834 yd. Only the digit grouping changes as you move the decimal point, because the factor itself never changes.

What is the formula for km to yards?

For international yards, yd = km × 1,000 / 0.9144, or exactly km × 1,250,000/1,143. A rounded decimal multiplier such as 1,093.6132983377 approximates this factor and can change final rounding. In reverse, km = yd × 0.0009144: 440 yd is exactly 0.402336 km and 880 yd exactly 0.804672 km. Outputs beyond twelve significant digits still round. Swap units reverses the pair while retaining the typed scalar.

Worked example: how many yards is a 5K, and a marathon?

For supplied race lengths, 5 km displays as 5,468.06649169 yd, 3.10685596119 mi and exactly 5,000 m. A supplied 42.195 km displays as 46,145.0131234 yd, 26.2187574565 mi and exactly 42,195 m. Enter 5 or 42.195 with Kilometer selected; derive each output from those original inputs rather than chaining the rounded yard display. These conversions do not measure a course or certify an official distance. Copy result copies the displayed headline without digit-grouping commas; each visible conversion row has its own Copy button. Displayed and copied values round to twelve significant digits. If native copying fails, a complete selectable summary identifies the input, selected pair and conventions and includes every unit in the category, including uncommon units.

Is a yard the same in the United States and the United Kingdom?

The ordinary international yard is exactly 0.9144 m, and that is the definition used here. Historical US survey records can use a separate survey yard of exactly 3,600/3,937 m, about two parts per million longer. A supplied 1 km is about 1,093.6111 survey yd, compared with the displayed 1,093.61329834 international yd. The survey yard is absent from the menu. Check the record’s explicit convention; geography or date alone does not establish it.

How many yards are in a mile, and does that agree with the kilometre figure?

A mile is exactly 1,760 yards, and this converter puts that mile at exactly 1.609344 km, so typing 1.609344 km returns exactly 1,760 yd. The list under the answer gives the other half of the check: 1 km reads 0.621371192237 mi, and a quarter mile of 440 yd reads 0.402336 km. Every one of these comes from the same two defined factors, 0.9144 metres to the yard and 1,609.344 metres to the mile.

What else does the page show for 1 km?

The same kilometre in the other common length units at once: 1,000,000 mm, 100,000 cm, 1,000 m, 39,370.0787402 in, 3,280.83989501 ft, 1,093.61329834 yd, 0.621371192237 mi and 0.539956803456 nmi. The readout strip carries a Show 7 more switch for the uncommon units, which adds rows for 1,000,000,000 µm, 1,000,000,000,000 nm, 39,370,078.7402 thou and 4.9709695379 furlongs, plus the astronomical ones where a kilometre reads 6.68458712227e-9 AU. Light years use a fixed 365.25-day Julian year; the parsec coefficient is approximate.

Why does the answer end in 61329834 instead of something round?

Because the exact value is a fraction that does not terminate, and the page prints twelve significant digits rather than inventing a round number. Displayed magnitudes below 0.000001 or at 1e15 and above switch to exponential notation instead of a row of zeroes, which is why a kilometre in light years reads 1.05700083402e-13. You can type the input with or without commas, so 1,000 km and 1000 km both give 1,093,613.29834 yd, and 1e3 is read the same way.

Why does the page open on kilometres and yards when I last converted something else?

This focused page opens on Kilometer and Yard, while preserving the main converter’s saved unit pair. When storage is usable, a saved value and uncommon-unit preference can travel between pages. Its suffix must still match From. Valid deliberate scalar edits can save those fields after a short delay; invalid or incomplete drafts preserve the saved record. Unusable or conflicting records remain until you use Forget saved settings, which keeps the current conversion on screen. Your input and converted values are calculated in the browser and are not uploaded by the converter. The definitions arrive with the page, so conversion needs no external data lookup and keeps working offline after the page has loaded. The core conversion needs no account.

KM to Yards Converter

A yard has been exactly 0.9144 metres since the international yard and pound agreement of 1959, and a kilometre is exactly 1,000 metres, so kilometres to yards is one division: yd = km × 1,000 / 0.9144. The factor is the fraction 1,250,000/1,143, which never settles into a terminating decimal because 1,143 is 3 × 3 × 127, so the relation is defined exactly while displayed answers round to twelve significant digits when needed. This page opens with Kilometer (km) in the From box and Yard (yd) in the To box, ahead of whatever pair the converter last remembered, and answers carry twelve significant digits: 1 km reads 1,093.61329834 yd, 2 km reads 2,187.22659668 yd, 5 km reads 5,468.06649169 yd and 10 km reads 10,936.1329834 yd. The reverse uses an exact terminating factor, though long input quantities can still require display rounding: 1 yd is 0.0009144 km, 100 yd is 0.09144 km, 1,000 yd is 0.9144 km and the 1,760 yards of a mile are exactly 1.609344 km. The list under the headline repeats the same distance in every other common length unit at once, so 1 km also reads 1,000 m, 3,280.83989501 ft, 39,370.0787402 in and 0.621371192237 mi without touching a menu.

From

To1,093.61329834

Category: Length

Base unit: meter

Uncommon units: Show 7 more

Feet, yards and miles use international definitions. A light year uses a 365.25-day Julian year; the parsec coefficient is approximate.

Results round to 12 significant digits using the listed unit definitions. Input must have a finite numeric magnitude and at most 512 significant digits. Type a single decimal or scientific number; a matching From unit suffix is accepted. Commas and grouped spaces separate thousands; decimal commas, fractions and compound measurements are refused.

1 km in every length unit

Millimetermm
1,000,000
Centimetercm
100,000
Meterm
1,000
Inchin
39,370.0787402
Footft
3,280.83989501
Yardyd
1,093.61329834
Milemi
0.621371192237
Nautical milenmi
0.539956803456

Selectable complete conversion

Unit Converter — Length
Input: 1 (Kilometer, km)
Result: 1093.61329834 yd (Yard)
Displayed values round to 12 significant digits.
Feet, yards and miles use international definitions. A light year uses a 365.25-day Julian year; the parsec coefficient is approximate.
All other units:
Nanometer (nm): 1000000000000
Micrometer (µm): 1000000000
Millimeter (mm): 1000000
Centimeter (cm): 100000
Meter (m): 1000
Inch (in): 39370.0787402
Foot (ft): 3280.83989501
Yard (yd): 1093.61329834
Mile (mi): 0.621371192237
Nautical mile (nmi): 0.539956803456
Thou (mil): 39370078.7402
Furlong (fur): 4.9709695379
Astronomical unit (AU): 6.68458712227e-9
Light year (ly): 1.05700083402e-13
Parsec (pc): 3.24077928944e-14

Common questions

How many yards are in a kilometre?: 1,093.61329834 yards, which is 1,250,000/1,143 shown to the twelve significant digits this page prints. The division scales straight up and down, so 0.1 km is 109.361329834 yd, 0.5 km is 546.806649169 yd, 2 km is 2,187.22659668 yd, 10 km is 10,936.1329834 yd and 100 km is 109,361.329834 yd. Only the digit grouping changes as you move the decimal point, because the factor itself never changes.
What is the formula for km to yards?: For international yards, yd = km × 1,000 / 0.9144, or exactly km × 1,250,000/1,143. A rounded decimal multiplier such as 1,093.6132983377 approximates this factor and can change final rounding. In reverse, km = yd × 0.0009144: 440 yd is exactly 0.402336 km and 880 yd exactly 0.804672 km. Outputs beyond twelve significant digits still round. Swap units reverses the pair while retaining the typed scalar.
Worked example: how many yards is a 5K, and a marathon?: For supplied race lengths, 5 km displays as 5,468.06649169 yd, 3.10685596119 mi and exactly 5,000 m. A supplied 42.195 km displays as 46,145.0131234 yd, 26.2187574565 mi and exactly 42,195 m. Enter 5 or 42.195 with Kilometer selected; derive each output from those original inputs rather than chaining the rounded yard display. These conversions do not measure a course or certify an official distance. Copy result copies the displayed headline without digit-grouping commas; each visible conversion row has its own Copy button. Displayed and copied values round to twelve significant digits. If native copying fails, a complete selectable summary identifies the input, selected pair and conventions and includes every unit in the category, including uncommon units.
Is a yard the same in the United States and the United Kingdom?: The ordinary international yard is exactly 0.9144 m, and that is the definition used here. Historical US survey records can use a separate survey yard of exactly 3,600/3,937 m, about two parts per million longer. A supplied 1 km is about 1,093.6111 survey yd, compared with the displayed 1,093.61329834 international yd. The survey yard is absent from the menu. Check the record’s explicit convention; geography or date alone does not establish it.
How many yards are in a mile, and does that agree with the kilometre figure?: A mile is exactly 1,760 yards, and this converter puts that mile at exactly 1.609344 km, so typing 1.609344 km returns exactly 1,760 yd. The list under the answer gives the other half of the check: 1 km reads 0.621371192237 mi, and a quarter mile of 440 yd reads 0.402336 km. Every one of these comes from the same two defined factors, 0.9144 metres to the yard and 1,609.344 metres to the mile.
What else does the page show for 1 km?: The same kilometre in the other common length units at once: 1,000,000 mm, 100,000 cm, 1,000 m, 39,370.0787402 in, 3,280.83989501 ft, 1,093.61329834 yd, 0.621371192237 mi and 0.539956803456 nmi. The readout strip carries a Show 7 more switch for the uncommon units, which adds rows for 1,000,000,000 µm, 1,000,000,000,000 nm, 39,370,078.7402 thou and 4.9709695379 furlongs, plus the astronomical ones where a kilometre reads 6.68458712227e-9 AU. Light years use a fixed 365.25-day Julian year; the parsec coefficient is approximate.
Why does the answer end in 61329834 instead of something round?: Because the exact value is a fraction that does not terminate, and the page prints twelve significant digits rather than inventing a round number. Displayed magnitudes below 0.000001 or at 1e15 and above switch to exponential notation instead of a row of zeroes, which is why a kilometre in light years reads 1.05700083402e-13. You can type the input with or without commas, so 1,000 km and 1000 km both give 1,093,613.29834 yd, and 1e3 is read the same way.
Why does the page open on kilometres and yards when I last converted something else?: This focused page opens on Kilometer and Yard, while preserving the main converter’s saved unit pair. When storage is usable, a saved value and uncommon-unit preference can travel between pages. Its suffix must still match From. Valid deliberate scalar edits can save those fields after a short delay; invalid or incomplete drafts preserve the saved record. Unusable or conflicting records remain until you use Forget saved settings, which keeps the current conversion on screen. Your input and converted values are calculated in the browser and are not uploaded by the converter. The definitions arrive with the page, so conversion needs no external data lookup and keeps working offline after the page has loaded. The core conversion needs no account.

Results round to 12 significant digits using the listed unit conventions. Many factors are exact definitions; psi and parsec use rounded coefficients. Temperature includes scale offsets. Days and weeks are fixed-duration units, and unit conversion does not determine calendar dates, ambient pressure or a software label’s convention.