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A4 纸张 vs US Letter 纸张
查看尺寸及其来源，再与熟悉的物品并排比较。
A4 纸张 vs US Letter 纸张
SIZE OF THINGS
相同比例，并非屏幕上的实际大小
A4 纸张 vs US Letter 纸张
210 mm
297 mm
A4 纸张
厚度 0.1 mm · 参考值
215.9 mm
279.4 mm
US Letter 纸张
厚度 0.1 mm · 参考值
虚线表示尺寸范围。照片仅供外观参考，不代表精确轮廓。
保存图片
当前比较链接
尺寸差值
以下是实际尺寸之差的绝对值，与图片旋转无关，不能据此判断能否放入。
A4 纸张 / US Letter 纸张
宽度
5.9 mm
高度
17.6 mm
厚度
0 mm · 参考值
尺寸比较
物品 1
ISO ID-1 信用卡
韩国一万韩元纸币
韩国500韩元硬币
MacBook Air 13英寸 (M4, 2025)
MacBook Air 15英寸 (M4, 2025)
MacBook Pro 14英寸 (M4, 2024)
MacBook Pro 16英寸 (M4 Pro, 2024)
Surface Laptop 7 13.8英寸 (2024)
iPhone 16 (2024)
iPhone 16 Plus (2024)
iPhone 16 Pro (2024)
iPhone 16 Pro Max (2024)
Samsung Galaxy S25 (2025)
Samsung Galaxy S25 Ultra (2025)
Google Pixel 9 Pro (2024)
Apple Magic Keyboard (USB-C, 2024)
Apple Magic Keyboard 配备数字小键盘 (2017)
Logitech MX Keys S (2023)
Logitech MX Keys Mini (2021)
Keychron K2 Pro 铝合金边框 (2022)
ISO 216 A3 纸张
ISO 216 A4 纸张
ISO 216 A5 纸张
ISO 216 B5 纸张
Mac mini (M4, 2024)
JBL Flip 7 (2025)
Bose SoundLink Flex 第二代 (2024)
Sony ULT FIELD 1 (SRS-ULT10, 2024)
AirPods 4 USB-C 充电盒 (2024)
Galaxy Buds3 Pro 充电盒 (2024)
Logitech MX Master 3S (2022)
Logitech MX Anywhere 3S (2023)
Logitech Pebble Mouse 2 M350s (2023)
Apple Magic Trackpad (USB-C, 2024)
Sony RX0 II (DSC-RX0M2, 2019)
Sony RX100 VII (DSC-RX100M7, 2019)
FUJIFILM X100VI (2024)
RICOH GR III (2019)
Leica Q3 (19080, 2023)
Canon PowerShot G7 X Mark III (2019)
Panasonic LUMIX S9 (DC-S9, 2024)
Sony ZV-1 II (ZV-1M2, 2023)
iPhone 18 Pro (2026)
iPhone 18 Pro Max (2026)
iPhone 17 (2025)
iPhone Air (2025)
iPhone 17e (2026)
Galaxy S26 (2026)
Galaxy S26+ (2026)
Galaxy S26 Ultra (2026)
iPhone Duo (折叠) (2026)
iPhone Duo (展开) (2026)
Galaxy Z Fold8 (折叠) (2026)
Galaxy Z Fold8 (展开) (2026)
Galaxy Z Fold8 Ultra (折叠) (2026)
Galaxy Z Fold8 Ultra (展开) (2026)
Galaxy Z Flip8 (折叠) (2026)
Galaxy Z Flip8 (展开) (2026)
Galaxy Z TriFold (折叠) (2025)
Galaxy Z TriFold (展开) (2025)
Galaxy Z Flip7 FE (折叠) (2025)
Galaxy Z Flip7 FE (展开) (2025)
Pixel 11 Pro Fold (折叠) (2026)
Pixel 11 Pro Fold (展开) (2026)
Motorola razr fold (折叠) (2026)
Motorola razr fold (展开) (2026)
Motorola razr 70 (折叠) (2026)
Motorola razr 70 (展开) (2026)
Motorola razr 70 plus (折叠) (2026)
Motorola razr 70 plus (展开) (2026)
Motorola razr 70 ultra (折叠) (2026)
Motorola razr 70 ultra (展开) (2026)
HONOR Magic V6 White (折叠) (2026)
HONOR Magic V6 White (展开) (2026)
HONOR Magic V Flip2 (折叠) (2025)
HONOR Magic V Flip2 (展开) (2025)
vivo X Fold6 Black (折叠) (2026)
vivo X Fold6 Black (展开) (2026)
OPPO Find N6 (折叠) (2026)
OPPO Find N6 (展开) (2026)
HUAWEI Mate X7 (折叠) (2025)
HUAWEI Mate X7 (展开) (2025)
HUAWEI Pura X Max (折叠) (2026)
HUAWEI Pura X Max (展开) (2026)
HUAWEI Mate XTs (折叠) (2025)
HUAWEI Mate XTs (双屏) (2025)
HUAWEI Mate XTs (展开) (2025)
nubia Flip3 (折叠) (2026)
nubia Flip3 (展开) (2026)
OnePlus Open Emerald Dusk (折叠) (2023)
OnePlus Open Emerald Dusk (展开) (2023)
TECNO PHANTOM V Fold2 (折叠) (2024)
TECNO PHANTOM V Fold2 (展开) (2024)
TECNO PHANTOM V Flip2 (折叠) (2024)
TECNO PHANTOM V Flip2 (展开) (2024)
Xiaomi MIX Flip 2 (折叠) (2025)
Xiaomi MIX Flip 2 (展开) (2025)
Xiaomi MIX Fold 4 (折叠) (2024)
Xiaomi MIX Fold 4 (展开) (2024)
旋转
0°
90°
物品 2
ISO ID-1 信用卡
韩国一万韩元纸币
韩国500韩元硬币
MacBook Air 13英寸 (M4, 2025)
MacBook Air 15英寸 (M4, 2025)
MacBook Pro 14英寸 (M4, 2024)
MacBook Pro 16英寸 (M4 Pro, 2024)
Surface Laptop 7 13.8英寸 (2024)
iPhone 16 (2024)
iPhone 16 Plus (2024)
iPhone 16 Pro (2024)
iPhone 16 Pro Max (2024)
Samsung Galaxy S25 (2025)
Samsung Galaxy S25 Ultra (2025)
Google Pixel 9 Pro (2024)
Apple Magic Keyboard (USB-C, 2024)
Apple Magic Keyboard 配备数字小键盘 (2017)
Logitech MX Keys S (2023)
Logitech MX Keys Mini (2021)
Keychron K2 Pro 铝合金边框 (2022)
ISO 216 A3 纸张
ISO 216 A5 纸张
ISO 216 B5 纸张
US Letter 纸张
Mac mini (M4, 2024)
JBL Flip 7 (2025)
Bose SoundLink Flex 第二代 (2024)
Sony ULT FIELD 1 (SRS-ULT10, 2024)
AirPods 4 USB-C 充电盒 (2024)
Galaxy Buds3 Pro 充电盒 (2024)
Logitech MX Master 3S (2022)
Logitech MX Anywhere 3S (2023)
Logitech Pebble Mouse 2 M350s (2023)
Apple Magic Trackpad (USB-C, 2024)
Sony RX0 II (DSC-RX0M2, 2019)
Sony RX100 VII (DSC-RX100M7, 2019)
FUJIFILM X100VI (2024)
RICOH GR III (2019)
Leica Q3 (19080, 2023)
Canon PowerShot G7 X Mark III (2019)
Panasonic LUMIX S9 (DC-S9, 2024)
Sony ZV-1 II (ZV-1M2, 2023)
iPhone 18 Pro (2026)
iPhone 18 Pro Max (2026)
iPhone 17 (2025)
iPhone Air (2025)
iPhone 17e (2026)
Galaxy S26 (2026)
Galaxy S26+ (2026)
Galaxy S26 Ultra (2026)
iPhone Duo (折叠) (2026)
iPhone Duo (展开) (2026)
Galaxy Z Fold8 (折叠) (2026)
Galaxy Z Fold8 (展开) (2026)
Galaxy Z Fold8 Ultra (折叠) (2026)
Galaxy Z Fold8 Ultra (展开) (2026)
Galaxy Z Flip8 (折叠) (2026)
Galaxy Z Flip8 (展开) (2026)
Galaxy Z TriFold (折叠) (2025)
Galaxy Z TriFold (展开) (2025)
Galaxy Z Flip7 FE (折叠) (2025)
Galaxy Z Flip7 FE (展开) (2025)
Pixel 11 Pro Fold (折叠) (2026)
Pixel 11 Pro Fold (展开) (2026)
Motorola razr fold (折叠) (2026)
Motorola razr fold (展开) (2026)
Motorola razr 70 (折叠) (2026)
Motorola razr 70 (展开) (2026)
Motorola razr 70 plus (折叠) (2026)
Motorola razr 70 plus (展开) (2026)
Motorola razr 70 ultra (折叠) (2026)
Motorola razr 70 ultra (展开) (2026)
HONOR Magic V6 White (折叠) (2026)
HONOR Magic V6 White (展开) (2026)
HONOR Magic V Flip2 (折叠) (2025)
HONOR Magic V Flip2 (展开) (2025)
vivo X Fold6 Black (折叠) (2026)
vivo X Fold6 Black (展开) (2026)
OPPO Find N6 (折叠) (2026)
OPPO Find N6 (展开) (2026)
HUAWEI Mate X7 (折叠) (2025)
HUAWEI Mate X7 (展开) (2025)
HUAWEI Pura X Max (折叠) (2026)
HUAWEI Pura X Max (展开) (2026)
HUAWEI Mate XTs (折叠) (2025)
HUAWEI Mate XTs (双屏) (2025)
HUAWEI Mate XTs (展开) (2025)
nubia Flip3 (折叠) (2026)
nubia Flip3 (展开) (2026)
OnePlus Open Emerald Dusk (折叠) (2023)
OnePlus Open Emerald Dusk (展开) (2023)
TECNO PHANTOM V Fold2 (折叠) (2024)
TECNO PHANTOM V Fold2 (展开) (2024)
TECNO PHANTOM V Flip2 (折叠) (2024)
TECNO PHANTOM V Flip2 (展开) (2024)
Xiaomi MIX Flip 2 (折叠) (2025)
Xiaomi MIX Flip 2 (展开) (2025)
Xiaomi MIX Fold 4 (折叠) (2024)
Xiaomi MIX Fold 4 (展开) (2024)
旋转
0°
90°
显示单位
mm
cm
in
样式
Sage
Paper
Dark
添加物品
尺寸
ISO 216 A4 纸张
宽度
210 mm
↗
高度
297 mm
↗
厚度
0.1 mm · 参考值
待核实
US Letter 纸张
宽度
215.9 mm
↗
高度
279.4 mm
↗
厚度
0.1 mm · 参考值
待核实