Usps priority mail flat rate box dimensions
The USPS Priority Mail Flat Rate boxes come in various sizes, and each size has its own set of dimensions. Here are the dimensions for each size:
Small Flat Rate Box
- Length: 5.5 inches (14 cm)
- Width: 8.5 inches (22 cm)
- Height: 1.5 inches (3.8 cm)
- Weight limit: 70 lbs (31.8 kg)
Medium Flat Rate Box
- Length: 11 inches (28 cm)
- Width: 12 inches (30 cm)
- Height: 5.5 inches (14 cm)
- Weight limit: 130 lbs (59 kg)
Large Flat Rate Box
- Length: 12 inches (30 cm)
- Width: 12 inches (30 cm)
- Height: 16 inches (40 cm)
- Weight limit: 210 lbs (95.3 kg)
Regional Rate Box A
- Length: 13 inches (33 cm)
- Width: 12 inches (30 cm)
- Height: 6 inches (15 cm)
- Weight limit: 15 lbs (6.8 kg)
Regional Rate Box B
- Length: 15 inches (38 cm)
- Width: 12 inches (30 cm)
- Height: 12 inches (30 cm)
- Weight limit: 20 lbs (9 kg)
Regional Rate Box C
- Length: 18 inches (46 cm)
- Width: 14 inches (36 cm)
- Height: 14 inches (36 cm)
- Weight limit: 40 lbs (18.2 kg)
Please note that these dimensions are for the outside of the box, and the actual usable space inside the box may be slightly smaller due to the box's construction and padding.