New Jersey is loosening its capacity restrictions on everything from indoor weddings and school proms to outside graduations and sporting events, Gov. Phil Murphy announced Monday.

Starting May 10, the state’s size limit on general outdoor gatherings amid COVID-19 jumps from 200 to 500 people, as long as social-distancing guidelines are followed and masks are worn, Murphy said.

That’s good news for events such as high-school and college graduations.

“Should our public health metrics continue to trend as they have been, we would hope to increase this limit yet again before Memorial Day,’’ the governor added in a tweet.

Meanwhile, indoor catered events, including weddings and proms, can jump from 35 to 50 percent capacity, up to 250 people, starting May 10, he said.

Large outdoor venues with at least 1,000 fixed seats — including those used for sporting events such as Giants and Jets games and concerts — can go to 50 percent capacity, as can open-air carnivals and fairs, Murphy added.

Venues with more than 2,500 fixed seats are currently at 30 percent in the state.

Still, the governor said that for now, indoor dining at restaurants will remain at 50 percent capacity, as will businesses such as gyms and movie theaters.

He said the state’s encouraging coronavirus statistics are the reason for the easing of the restrictions, with New Jersey hitting a positive-test rate over the past seven days of under 1 percent.