Amount & rate
Sketch only — not tax filing advice.
Exclusive: gross = net × (1+rate). Inclusive: net = gross ÷ (1+rate). Common GST/VAT presets.
Exclusive ↔ inclusive
Net (ex-tax)—
Tax—
Gross (inc-tax)—
IDEAFACTORYS LAB · Calculator
Net ↔ gross GST/VAT with common rates.
Sketch only — not tax filing advice.
Exclusive: gross = net × (1+rate). Inclusive: net = gross ÷ (1+rate). Common GST/VAT presets.