The Meaning in Life Questionnaire (MLQ) is a 10-item measure of the Presence of Meaning in Life, and the Search for Meaning in Life. It is free to use for educational, therapeutic, and research purposed. Commercial use is prohibited without permission. I ask that you contact me to let me know how you're using it and let me know what you find out. You can download a copy here:
The Meaning in Life Questionnaire
Steger, M. F., Frazier, P., Oishi, S., & Kaler, M. (2006). The Meaning in Life Questionnaire: Assessing the presence of and search for meaning in life. Journal of Counseling Psychology, 53, 80-93.