According to The Knot, bringing a gift to a wedding shower is not only expected of guests but it's assumed that they will spend between $50 to $75 on the couple. Of course, this is just a rough guide and can change depending on various factors like your own personal budget, how well you know the couple, and what specific items you have in mind. There may be a really expensive wedding gift that you want to purchase, which could help you justify a more modest shower gift.

To help put this into perspective, Wedding Wire clarifies that a wedding shower gift typically should be smaller than a wedding present. They use something called the 20-20-60 rule to help us do the math. Since there are so many celebratory parties surrounding an engagement and leading up to the wedding, designating a specific amount of money, in the beginning, can really help you stick to your budget.

For example, if you only have $100 to spare, the math is quite simple: $20 on the engagement present, $20 on the shower present, and $60 on the wedding present. Basically, you just use the 20-20-60 rule as a percentage of your overall budget to help you spend an appropriate amount on each gift. This rule is also helpful because it's adjustable based on the total amount you can afford to spend on wedding festivities. It's also relative because if the couple chooses not to have an engagement party, then the budget for their wedding shower gift just doubled.