1. to find a number or amount using mathematics
2. to plan something carefully by thinking about what might happen

Examples

• She calculates the total cost of groceries before going to the store.
• The computer calculates your tax refund automatically.
• He calculates that the trip will take about four hours.
• The engineer calculates the weight the bridge can support.
• She always calculates her moves carefully in chess.
• The app calculates how many calories you burned during exercise.
• Scientists calculate the distance between planets using complex formulas.