Percentage Calculator + Free Practice Ladder

Calculate any percentage in one step, then climb 6 levels of fresh practice with Axiom. No signup, 100% free.

100% free Calculator + ladder Fresh questions Kids & teens safe

Quick calculator

Find X% of Y: 15% of 200 = 30

What % is X of Y? 25 is 25% of 100

Full interactive calculator is inside the practice app — one tap from any ladder page.

The ladder

6 rungs: Warm-Up → Basics → Practice → Steady → Challenge → Mastery. Each level is 5–9 fresh procedural questions. Pass at ≥80% or retry with a brand-new set — never hard-locked, never shamed.

Safety & trust

Zero ads inside the practice flow. No chat, no user content, no billing. Progress lives on this device. If Axiom ever sounds anything but calm, we fix it immediately.