Use the pressure printed on the exact ball and the maker's instructions. World Rugby Law 2 gives 9.5–10.0 psi at the start of play; Gilbert recommends a hand or stirrup pump, a needle adaptor and checking pressure before use.
Start with the pressure printed on the exact ball. World Rugby Law 2 gives a starting pressure of 9.5–10.0 psi at the beginning of play, and says match organizers may permit smaller balls. Gilbert also tells buyers to check the value printed on the ball because pressure guidance can vary by ball type and size.
Compare the inflation tools
| Tool | What it does and what to check |
|---|---|
| Hand or stirrup pump | Adds air. Gilbert recommends a stirrup pump or another hand pump and advises against a compressor or airline. |
| Pump needle and adaptor | Connect the pump to the ball valve. Gilbert says a pump and needle adaptor are needed and recommends lightly moistening the needle before inflation. |
| Pressure gauge | Shows a pressure reading to compare with the value printed on the ball. Gilbert’s gauge page describes the reading function; its care guide also describes using its release valve to lower pressure if needed. |
Inflate in small increments and recheck the reading rather than guessing by feel. Gilbert cautions against over-inflation and says to reduce pressure promptly if a ball is over-inflated. Follow the ball maker’s instructions for that model and size.
Ball size and inflation pressure are related checks, but they are separate buying decisions. Confirm the assigned size with the team or competition in the rugby ball-size guide, then compare match and training ranges in rugby match balls vs training balls. For maker-named surface patterns, see the Gilbert ball-grip guide. Browse rugby balls.
Sources
Common questions
What pressure should a rugby ball have?
World Rugby Law 2 gives 9.5–10.0 psi at the start of play for the standard ball. Smaller balls may be permitted, so check the recommended pressure printed on the exact ball and its maker's instructions.
What do I need to inflate a rugby ball?
Gilbert says to use a pump and needle adaptor. It recommends lightly moistening the pump needle before inflation and checking the pressure shown on the ball.
Do I need a pressure gauge for a rugby ball?
A gauge lets you compare the ball's pressure with the maker's recommended value. Gilbert describes its gauge as showing ball pressure and says to check pressure before use.
Can I use an air compressor to inflate a rugby ball?
Gilbert recommends a stirrup or another hand pump and advises against a compressor or airline because they can over-inflate the ball. Follow the exact ball maker's guidance.