WASHINGTON — The known pricetag of the partial government shutdown has exploded to at least $4.4 billion, but the exact cost will likely be even higher when the dust settles. Recently proposed legislation hopes to figure out the dollar figure down to the last penny.

A new bill from Sen. Joni Ernst (R-Iowa) would order federal agencies to precisely measure the cost of the partial government shutdown on their operations once it ends, to give a comprehensive estimate of the funding lapse’s toll on taxpayers’ wallets.

“Schumer’s Shutdown Shenanigans have become quite costly for the American people,” Ernst told The Post.

“While we do not know the exact cost of Democrats’ political stunt, we do know that roughly 750,000 ‘non-essential’ federal employees will collectively receive about $40

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