Short answer: "thank you" in English is Thank you, or Thanks depending on the situation.
Thank you, the core translation
The default way to say "thank you" in English is Thank you. Pronounced roughly THANK-yoo.
When English speakers actually use it
"Thanks" is the everyday version; "Thank you" is the safe polite one.
Alternative: Thanks
Thanks is the other option English speakers reach for in this situation. It's not a synonym so much as a register shift, use the one that matches who you're talking to.
Practice this in a real English conversation
Reading a phrase and saying it out loud are two different skills. Skala's AI conversations let you drop "Thank you" into a real English exchange in your first 3-minute lesson, so it sticks the first time.
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FAQ
What's the most polite way to say "thank you" in English?
Both Thank you and Thanks are polite. Pick based on who you're talking to: register, not translation, is what natives are tuning into.
How do I pronounce Thank you?
Roughly THANK-yoo. Recording yourself once and comparing to a native audio inside Skala closes the gap faster than reading pronunciation guides.