American Express Membership Rewards is the only major credit card partner that allows you to transfer points to Hilton Honors. AMEX points can be transferred to Hilton at a 1:2 ratio.
Conversion Rate
Membership Rewards points can be transferred to Hilton Honors at a 1:2 ratio meaning that every 1,000 AMEX points you transfer will give you 2,000 Hilton Honors points.
You can transfer as little as 1,000 AMEX points and as many as 3,000,000 points in a single transaction. Transfers to Hilton must be made in 1,000-point increments and you'll need at least 1,000 AMEX points in your account to initiate a transfer.

Transfers from AMEX Membership Rewards to Hilton Honors can take up to 24 hours to be reflected in your balance, but it typically only takes a few minutes to see the update.
Conversion Calculator
Use the Conversion Calculator to calculate the transfer of American Express Membership Rewards points to Hilton Honors points.
Other Ways To Earn Hilton Honors Points
The best way to earn lots of Hilton Honors points is by using Hilton's own co-branded credit cards. They offer a total of four credit cards consisting of three personal consumer cards and one business card.
Each card offers fantastic benefits ranging from free weekend nights and complimentary status to lounge access and annual credits. If you frequent Hilton properties often, you'll want at least one of Hilton's credit cards.
Here are the four credit cards Hilton offers:
FAQ
What is the AMEX points to Hilton ratio?
AMEX points transfer to Hilton at a 1:2 ratio meaning that every 1,000 AMEX points you transfer will give you 2,000 Hilton Honors points.
Is it worth transferring AMEX points to Hilton Honors?
If you're a few Hilton points shy of a redemption, it can be worth it to top off your account by transferring AMEX points. If you truly value AMEX points, you can buy Hilton Honors points instead.
How long does it take to transfer AMEX points to Hilton Honors?
It can take up to 24 hours to transfer AMEX Membership Rewards points to Hilton, but it usually takes no more than a few minutes.