qt Quart (1 quart = 0.95 liter)

QTY Quantity

Quads Quadrillion US Btu (10¹⁵)

Quadrillion One quadrillion GB = 10²⁴ = One million raised to the fourth power

One quadrillion US = 10¹⁵ = One thousand raised to the fifth power

Quatrillion One french quadrillion = 10²⁴ = Un million de trillions

Quintillion One quintillion GB = 10³⁰ = One million raised to the fifth power

One quintillion US = 10¹⁸ = One thousand raised to the sixth power

One ancient (before 1948) quintillion FR = 10¹⁸ = mille quatrillions

One quintillion FR = 10³⁰ = Un million de quatrillions