Carriers often enforce strict weight limits for shipments. In some cases this may include the dimensional weight of the shipment. In order to prevent delays or inaccurate postage amounts, please ensure that your shipment falls within the allowable limits.
US Shipments
Adding dimensions gives you access to the best pricing and may be required in order to receive a postage rate.
| Carrier | Maximum Dimensions | Maximum Weight |
|---|---|---|
| USPS | May vary by service and package type | Shipments must not exceed 70 lbs |
| Chit Chats U.S. Tracked | L + (2* W + 2* H) < 108 in For thick envelopes, any one dimension must not exceed 18" when weight is greater than 1 lb | |
| UPS Mail Innovations* | L + (2* W + 2* H) < 130 in Dimensions must be provided in order to get a postage rate | |
| Chit Chats U.S. Economy Tracked* | L + (2* W + 2* H) < 50 in | Shipments must not exceed 15 lb in weight and dim wt Rates for shipments under 1lb or greater than 10 lb may be unavailable for some destinations |
You can use this formula to calculate dimensional weight (in lbs) for your U.S. shipments:
Sample calculations for U.S. shipments:
International Shipments
Weight and dimensional limits vary by destination country and can change without notice. Please refer to the USPS International Mail Manual as a guideline for the requirements of each destination.
| Carrier | Maximum Dimensions | Maximum Weight | Notes |
|---|---|---|---|
| USPS | May vary by country | Shipments must not exceed 70 lbs | First Class International shipments limited to 4 lbs |
| Asendia International Priority Tracked | May vary by country but typically: (L + W + H) < 900 mm L <= 27, W <= 15, H <=15 in L <= 42.5, W <= 4, H <=4 in | Shipments must not exceed 30 kg | Shipments < 1 oz (the starting rate) must be rounded up to 1 oz. Otherwise the rate may not be displayed. |
| Chit Chats International Tracked | Shipments < 4.4 lbs: L < 24” or L+W+H < 36” Shipments >= 4.4 lbs: (x <= 15" and y <= 15" and z <= 27") OR (x <= 4" and y <= 4" and z <= 42.5") x = smallest, y = middle, z = largest | Shipments must not exceed 66 lbs |
Canadian Shipments
Very light shipments must be rounded up to 100 g as all shipments less than this amount are charged the same starting postage rate.
| Carrier | Maximum Dimensions | Maximum Weight | Notes |
|---|---|---|---|
| Chit Chats Slim | 7.5 in x 12 in x 0.8 in | Shipments must not exceed 250 g | Minimum weight 10g Minimum dimensions 4 in x 6 in x 0.2 in |
| Chit Chats Select | No singular dimension greater than 22 in | Shipments must not exceed 20 lbs | Minimum weight 0.1 lb |
| Chit Chats Canada Tracked | Maximum dimensions, L, W, & H in cm L < 2 m L + (2 x H + 2 x W) < 3 m | Shipments must not exceed 30 kg | Shipments <100 g (the starting rate) must be rounded up to 100 g. Otherwise the rate may not be displayed. |
| Chit Chats Collect | 34 cm x 42 cm x 20 cm | Shipments must not exceed 11 lbs |
You can use this formula to calculate the dimensional weight (kg) of your Canadian shipments:
Dim wt (in kg) = (L x W x H)/ 5000 L, W, & H in cm
E.g. A shipment with measurements 50 cm, 16 cm, 42 cm will have a dim wt of (50 x 16 x 42)/5000 = 6.72 kg.
*Service availability may vary. Irregular parcels should be measured as if they were enclosed in a rectangle. Surcharges may apply for oversized and irregular shipments.