Use this calculator as a planning estimate for grease trap service. A 25% accumulation point is common in some FOG programs, but actual utility requirements control. Enter your details to estimate a service interval and confirm the schedule with your local authority. For source-by-source local guidance, see our Colorado regulations guide.
Based on common FOG-program planning practices and industry-standard grease generation rates. Results are estimates — actual accumulation and utility requirements vary by menu, cooking methods, equipment, and local rules. Review our flat-rate pricing when planning service.
This tool uses a planning model informed by common FOG-program practices. It is not a legal compliance calculation; actual utility requirements control. The estimate uses this formula:
Disclaimer: These rates are industry averages derived from standard FOG program reference materials. Actual accumulation varies based on cooking methods, menu composition, equipment efficiency, and grease management practices (e.g. dry-wiping pans, use of strainers). A technician inspection gives you an accurate baseline for your specific kitchen.
Not sure where your trap currently stands? A free compliance inspection gives you the real numbers: current FOG level, estimated service interval, and a written report for your health inspection records.