plumbing - How can I connect 1/2 compression tubing to 3/8 compression valve? - Home Improvement Stack Exchange

I put in new bathroom vanities that came with the sinks. When I attempted to connect supply lines under the sink I discovered the lines from the faucets are 1/2” female and the supply valve is 3/8”

plumbing - What pipe fitting do I need? - Home Improvement Stack Exchange

Everflow Supplies part number 81212PR-NL With a 1/2 inch solder cup and a 3/8 inch od compression fitting Individually boxed premium product By UPC

MIDLINE VALVE 81212QS-OM Water Supply Stop Valve with Quarter Turn Wheel; No Lead; One Piece Design; Angle Shut-off for Toilet, Sink, Dishwasher; 1/2

3/8 in. O.D. Compression Inlet x 3/8 in. O.D. Compression Outlet Multi-Turn Straight Shut-Off Valve, Chrome

3/8 in. O.D. Compression Inlet x 3/8 in. O.D. Compression Outlet Multi-Turn Straight Valve, Chrome

plumbing - What size should a threaded coupler/fitting be if angle valve inlet is sized 1/2(2cm)? - Home Improvement Stack Exchange

Midline Valve 86324QS-OM Water Supply Angle Stop Valve; Dual Outlet; Quarter Turn Wheel; One Piece; for Toilet, Sink, Dishwasher; 1/2 in. Sweat x 3/8 in. COMP x 3/8 in. COMP; Chrome

Uxcell 1/2 OD Tube 3 Way Tee Union Stainless Steel Quick Connect Compression Fittings

LASCO 10-0512 Braided Stainless Steel Supply Line with 3/8-Inch Male Compression and 3/8-Inch Female Compression : Everything Else

Uxcell 1/2 OD Tube 3 Way Tee Union Stainless Steel Quick Connect Compression Fittings

Tecmolog 2 PCS 3-way 3/8 x 1/2 Tee Adapter Stainless Steel Angle Stop Add-A-Tee Valve for Toilet, Brushed Nickel, SBA020B-2