Footer

    Download on the App StoreGet it on Google Play

    About

    • About Us
    • Our Learning Services
    • Join Us
    • FAQ
    • Hot Tags

    Services

    • Pronunciation Challenge
    • Saved
    • Search Vocabulary
    • Blog

    Channels

    Levels

    • A1
    • A2
    • B1
    • B2
    • C1
    • C2

    Privacy˙Terms˙
    ©2026 VoiceTube Corporation. All rights reserved

    km

    US

    ・

    UK

    A1
    n.NounA metric unit of length equal to 1000 meters
    I can only do a 1km run tonight because I have an event to go to

    Video subtitles

    The Invisible Barrier Keeping Two Worlds Apart

    09:25The Invisible Barrier Keeping Two Worlds Apart
    • a 32 km stretch of water that seems pretty unassuming.

      a 32 km stretch of water that seems pretty unassuming.

    B1

    Angry Birds Space

    03:56Angry Birds Space
    • (242.5 nautical miles, NM) (almost 450 kilometers, KM)

      (242.5 nautical miles, NM) (almost 450 kilometers, KM)

    B1

    I took the world's shortest flight. It was underwhelming.

    04:32I took the world's shortest flight. It was underwhelming.
    • Spanning a distance of 1.7 miles or 2.7 km over some 80-or-so seconds,

      Spanning a distance of 1.7 miles or 2.7 km over some 80-or-so seconds,

    B1

    The 11 Greatest Threats To Humanity

    04:11The 11 Greatest Threats To Humanity
    • 4 km cubic of magma but the super volcanos

      4 km cubic of magma but the super volcanos

    • can release more than 500 km cubic.

      can release more than 500 km cubic.

    B2

    Amazing Earth Facts To Blow Your Mind

    02:53Amazing Earth Facts To Blow Your Mind
    • Orbiting around the sun at a whopping speed of 107,218 km/h, that's pretty fast for

      Orbiting around the sun at a whopping speed of 107,218 km/h, that's pretty fast for

    B1

    The ISS Will Crash to Earth Soon, But Why?

    03:42The ISS Will Crash to Earth Soon, But Why?
    • It orbits the Earth every 90 minutes, traveling at 8 km/s,

      It orbits the Earth every 90 minutes, traveling at 8 km/s,

    • It orbits the Earth every 90 minutes traveling at 8 km per second, and has hosted over 3000 research investigations from 108 countries.

      It orbits the Earth every 90 minutes traveling at 8 km per second, and has hosted over 3000 research investigations from 108 countries.

    B1

    How to get from Kansai Airport to Osaka & Kyoto

    04:16How to get from Kansai Airport to Osaka & Kyoto
    • Located on a man-made island in Osaka Bay about 40 km south of central Osaka, Kansai Airport has two terminal buildings.

      Located on a man-made island in Osaka Bay about 40 km south of central Osaka, Kansai Airport has two terminal buildings.

    B1

    Japan Rail Pass ALTERNATIVES | Saving Money on Transportation

    09:23Japan Rail Pass ALTERNATIVES | Saving Money on Transportation
    • Tickets covering 100 km or less do not allow getting off along the way as mentioned before and are valid only on a single day.

      Tickets covering 100 km or less do not allow getting off along the way as mentioned before and are valid only on a single day.

    • Tickets covering 101 to 200 km are valid on two consecutive days and the validity period increases by an additional day for each additional 200 km.

      Tickets covering 101 to 200 km are valid on two consecutive days and the validity period increases by an additional day for each additional 200 km.

    B1

    What Happens if the Moon Crashes into Earth?

    12:31What Happens if the Moon Crashes into Earth?
    • at 3600 km/h. So for the moon to just stop  in its orbit and plummet to the earth would  

      at 3600 km/h. So for the moon to just stop  in its orbit and plummet to the earth would  

    • Within 75,000 km of earth, it is bright enough  to illuminate the night sky like twilight.

      Within 75,000 km of earth, it is bright enough  to illuminate the night sky like twilight.

    A1

    What If We Built a Road Around the World?

    07:32What If We Built a Road Around the World?
    • 165 km [103 mi] over open ocean.

      165 km [103 mi] over open ocean.

    • Over 2,000 km [1242.742 mi] of brand new highways

      Over 2,000 km [1242.742 mi] of brand new highways

    A2