Efficiency: meaning, definitions and examples

Use 'efficiency' when referring to how well resources are used to achieve a goal with minimal waste.

• The company's new software improved efficiency by reducing time spent on repetitive tasks

Use 'productivity' to talk about the amount of output produced in relation to the input used, often used in work-related contexts.

• The team’s productivity skyrocketed after the introduction of flexible working hours

Use 'effectiveness' when measuring the degree to which something achieves its intended outcome.

• The effectiveness of the new marketing strategy was evident in the increased sales figures

Use 'performance' to discuss overall success in carrying out a task, often used in contexts like work, sports, or machinery.

• His performance in the last quarter exceeded all expectations, leading to a promotion

Use in situations where you want to describe the ability to achieve maximum productivity with minimum wasted effort or expense.

• The car's efficiency has improved significantly with the new engine design.
• We need to focus on efficiency to reduce operational costs.

Use in situations where you want to describe the ability to maintain or support a process or practice over a long period without causing damage to the environment.

• Sustainability is key to ensuring that future generations have the resources they need.
• The business model emphasizes sustainability by reducing waste and recycling materials.

Use in situations where you want to describe the protection and careful management of natural resources or the environment.

• Conservation efforts are crucial for preserving our forests.
• There are new laws to enforce water conservation in drought-prone areas.

Use in situations where you want to describe environmentally friendly practices or technologies.

• The company is investing in green energy solutions like solar panels.
• They installed a green roof to help reduce the building's carbon footprint.

Use this word when talking about how well something functions with minimal waste, effort, or expense. It's commonly used in contexts like work processes, machines, and human performance.

• The new machine has improved the efficiency of our production line
• They strive to increase fuel efficiency in their vehicles

Mileage is a broader term that generally refers to the distance traveled, typically by a vehicle. It can be used in various contexts, from car travel to discussions about benefits or disadvantages gained from something over time.

• The warranty covers up to 100,000 miles
• She has a lot of mileage on her car from all her road trips

This term is specific to automobiles and refers to the distance a vehicle can travel per unit volume of fuel. It's commonly used by car owners and drivers concerned with fuel efficiency.

• My car gets great gas mileage on the highway
• Improving gas mileage is a priority for hybrid car manufacturers

This word is suitable for talking about saving money or using resources wisely. It often appears in discussions about financial systems, countries' economic conditions, and strategies to reduce costs.

• The economy is growing steadily this year
• We need to focus on the economy of our household expenses