Quick verdict
For US admissions, IELTS and TOEFL are both widely accepted. Pick the format you score higher in under timed conditions. Many universities also accept the Duolingo English Test as a faster/cheaper alternative - but always confirm the exact programme page.
Side-by-side
| Factor | IELTS Academic | TOEFL iBT |
|---|---|---|
| Format feel | Face-to-face or recorded speaking variants by centre | Fully computer-based speaking |
| Typical competitive range | Often 6.5–7.0+ overall | Often 80–100+ iBT |
| Best for | Students comfortable with UK-style exam pacing | Students already practising US computer-based testing |
Practical advice
- Check programme-level minimums (engineering/business can sit above university floors).
- If you already hold a strong score in one test, switching rarely helps unless you are below cutoffs.
- Waivers sometimes exist for prior English-medium education - never assume; confirm in writing.
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