The US tablespoon equals 14.8 ml (sometimes rounded to 15 ml). The metric tablespoon used in Australia is 20 ml; the UK tablespoon is 17.7 ml. Most international recipes today assume 15 ml as a convenient approximation.
Real-world: Olive-oil recipes call for tablespoons of oil. Cough syrups often recommend 1 tbsp = 15 ml per dose.
Read full tablespoon reference โThe litre is the metric volume unit most used in everyday life. It equals 1 cubic decimetre (0.001 mยณ) or 1000 ml exactly. Bottled water, petrol, milk and household chemicals are all sold by the litre throughout Europe, Africa and Asia.
Real-world: A standard European petrol-car fuel tank is 50โ60 L. A 2.0 L engine has a 2 litre displacement. A typical home boiler holds 150 L of hot water.
Read full liter reference โ