In a manual car what gear do you go uphill?

It depends on two factors;

Wether you are stopped or wether you are already moving.

To go uphill you need the gear with the most torque, thus first gear.

If you are already moving and the car gradually loses torque ( slowing down ) Downshift a gear until the car picks up speed. You can also kkep an eye on the rev. meter. The lower the rpm the more chances you have of losing torque and slowing down. Be especially carefull trying to start uphill from a complete stop as the car will start going downhill as you lift your foot off the brake. Timing is essential. If you are

scared try pulling the e-brake as you lift your foot off the brake pedal and gently release it as your foot presses on the gas pedal. Practice makes perfect. Drive safely