What size canvas should a beginner buy?

Start with a small square — somewhere between 20 and 30 cm on a side. It is large enough to finish a real painting, small enough to complete in one sitting, and cheap enough that a failed attempt costs nothing but an evening. Square canvases also skip the first decision a beginner gets stuck on, portrait or landscape, and they look intentional on a wall without a frame.

Why not start big?

Because size changes how you paint, not just how much you paint. On an A4-sized canvas you work from the wrist. On the largest sizes you work from the shoulder, and a brush that felt right on a small board suddenly feels like a toothbrush. Neither is wrong, but the second is a different skill, and it is easier to learn once you are already comfortable putting paint down. A big blank canvas is also intimidating in a way that quietly stops people starting.

How do the sizes actually behave?

Roughly three groups. Small squares — 10 × 10 up to 25 × 25 cm — are for studies, colour tests and quick finished pieces; these sizes come three to a pack, at a lower price per canvas, which is exactly what you want when you are practising. The middle sizes — 30 × 30, 30 × 40, 40 × 50 cm and around there — are the ones people give away and hang. The large sizes, from about 60 cm up to 80 × 100 cm, are for when you already know what you are doing and want the scale. The full run of 27 sizes, square and round, is on the canvas page; every size is its own product with the dimensions in the name, so what you order is what arrives.

Should a beginner try a round canvas?

Not first, but soon. A circle has no corners to fill and no obvious top, and that alone tends to loosen up a composition. Once you have painted a few squares and started to feel boxed in, a 30 cm round is a cheap way to break the habit.

What paint and brushes go with it?

Acrylic. It dries in minutes, the next layer does not lift the one beneath, and a mistake is painted over rather than rescued — the most forgiving paint to learn on. A tube set is the starting point; tubes, pots or bottles explains which to buy first. For brushes, a pack rather than singles: a round for general work, a flat for edges and blocks, and a filbert for blending without a hard edge — the brush sets cover the shapes. If you would rather not assemble a kit, the bundles pair paint with canvases and brushes at less than the separate prices.

Can you skip the canvas entirely to begin with?

Yes. The canvas pad gives you the same textured surface as a stretched canvas, in a pad, in A5, A4 or A3. It is the cheapest way to get used to how paint moves on canvas texture before you commit to a frame — and a page that goes well can still be mounted.

Short version

• First canvas: a 20–30 cm square.
• Practice: packs of three in the small sizes.
• To hang or give: 30 × 30 to 40 × 50 cm.
• Go large only once small feels easy.
• Acrylic paint, a brush pack, and a canvas pad if you want to warm up first.