learn.howToCalculate
learn.whatIsHeading
Converts between common video resolutions (480p, 720p, 1080p, 4K) and shows pixel counts and file size estimates.
공식
File size = resolution × frame rate × bit depth × duration
단계별 가이드
- 1Standard resolutions have fixed pixel dimensions
- 2File size = resolution × frame rate × bit depth × duration
- 3Codec compression dramatically reduces actual file size
풀어진 예시
입력
1080p video
결과
2.07M pixels
피해야 할 일반적인 실수
- ✕Ignoring codec compression in file size estimates
- ✕Confusing resolution with quality (bitrate matters too)
자주 묻는 질문
How much storage does 4K video use?
Roughly 375 MB/minute for H.265, or 750 MB/minute for H.264.
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