How much does it cost to mail 20 letters today

The cost to mail 20 letters depends on the type of mail service you choose, the weight and size of the letters, and the destination. Here are the current rates for First-Class Mail letters in the United States:

So, if you're mailing 20 letters that weigh 1 oz or less, the total cost would be:

If your letters weigh more than 1 oz, the cost would be higher. For example, if each letter weighs 2 oz, the total cost would be:

Keep in mind that these rates are subject to change, so it's always a good idea to check the current rates with the United States Postal Service (USPS) or a postal carrier before mailing your letters.