Hat Size Converter
在US、UK、European和厘米测量之间转换帽子尺寸。
HatSizeConverter.fullChart
| cm | HatSizeConverter.usSize | HatSizeConverter.ukSize | HatSizeConverter.euSize |
|---|---|---|---|
| 51 | 6 3/8 | 6 1/4 | 51 |
| 52 | 6 1/2 | 6 3/8 | 52 |
| 53 | 6 5/8 | 6 1/2 | 53 |
| 54 | 6 3/4 | 6 5/8 | 54 |
| 55 | 6 7/8 | 6 3/4 | 55 |
| 56 | 7 | 6 7/8 | 56 |
| 57 | 7 1/8 | 7 | 57 |
| 58 | 7 1/4 | 7 1/8 | 58 |
| 59 | 7 3/8 | 7 1/4 | 59 |
| 60 | 7 1/2 | 7 3/8 | 60 |
| 61 | 7 5/8 | 7 1/2 | 61 |
| 62 | 7 3/4 | 7 5/8 | 62 |
| 63 | 7 7/8 | 7 3/4 | 63 |
| 64 | 8 | 7 7/8 | 64 |
HatSizeConverter.measureTitle
HatSizeConverter.measureText
关于此工具
帽子的尺寸在不同国家和制造商之间差异很大，这使得网上购物或国际旅行时找到合适的尺码变得困难。这个帽子尺码转换工具可以让您在美国、英国、欧洲（以厘米为单位测量）和其他常见的尺码系统之间立即转换，这样您可以自信地从世界任何地方订购帽子，无需猜测。
只需选择您当前的帽子尺码系统，输入测量值或尺码，然后选择您想要转换到的目标系统即可。该工具可以实时显示所有等效尺码，便于您轻松比较各种选项。无论您是从欧洲购买礼帽、从日本订购棒球帽，还是在线订制帽子，这款转换器都能消除困惑，确保每次都能获得完美贴合的效果。
常见问题
代码实现
# Hat size conversion table (circumference in cm)
HAT_SIZES = [
{"cm": 51, "us": "6 3/8", "uk": "6 3/8", "eu": 51},
{"cm": 52, "us": "6 1/2", "uk": "6 1/2", "eu": 52},
{"cm": 53, "us": "6 5/8", "uk": "6 5/8", "eu": 53},
{"cm": 54, "us": "6 3/4", "uk": "6 3/4", "eu": 54},
{"cm": 55, "us": "6 7/8", "uk": "6 7/8", "eu": 55},
{"cm": 56, "us": "7", "uk": "7", "eu": 56},
{"cm": 57, "us": "7 1/8", "uk": "7 1/8", "eu": 57},
{"cm": 58, "us": "7 1/4", "uk": "7 1/4", "eu": 58},
{"cm": 59, "us": "7 3/8", "uk": "7 3/8", "eu": 59},
{"cm": 60, "us": "7 1/2", "uk": "7 1/2", "eu": 60},
{"cm": 61, "us": "7 5/8", "uk": "7 5/8", "eu": 61},
{"cm": 62, "us": "7 3/4", "uk": "7 3/4", "eu": 62},
{"cm": 63, "us": "7 7/8", "uk": "7 7/8", "eu": 63},
]
def find_hat_size(cm: float) -> dict | None:
# Find exact match or nearest
exact = next((s for s in HAT_SIZES if s["cm"] == int(cm)), None)
if exact:
return exact
# Nearest
return min(HAT_SIZES, key=lambda s: abs(s["cm"] - cm))
# Convert cm to US/UK/EU sizes
result = find_hat_size(57)
print(f"Head circumference: {result['cm']} cm")
print(f"US size: {result['us']}")
print(f"UK size: {result['uk']}")
print(f"EU size: {result['eu']}")Comments & Feedback
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