1. A fixed price or charge that does not vary based on usage, quantity, or other factors
The shipping company charges a flat rate of $10 for any package under 5 pounds.
A empresa de envios cobra uma taxa fixa de $10 para qualquer pacote com menos de 5 quilos.
2. A uniform fee applied to all customers or services regardless of circumstances
We offer a flat rate membership that covers all services.
Oferecemos uma associação com taxa fixa que cobre todos os serviços.