Miscalculate (verb)

To make a mistake in calculating or estimating something, resulting in an incorrect result.

Origin:

From the words mis and calculate, meaning to make an incorrect calculation or to make a mistake in calculating.

Examples:

1. I miscalculated the time it would take me to finish the project and ended up missing the deadline.
2. The company miscalculated the market demand and ended up with a large inventory of unsold products.
3. I miscalculated the amount of money I had in my bank account and ended up overdrawing it.
4. The scientists miscalculated the effects of the experiment, resulting in unexpected results.
5. He miscalculated the distance to the finish line, and ended up coming in second place.