Consumers who want a good credit score should seek to borrow no more than 30 percent of the total combined credit limits of all their cards. (wisefinances.org)
You want to stay under 10 % of your total combined credit limits across all cards. (freakinflyers.com)
Together, the utilization rate for the cards is 27 % ($ 800 in total balances divided by $ 3,000 in combined credit limits). (valuepenguin.com)