Octane Calculator Pro: Price Optimization & Real-World Paddock Blending •The Problem with Other Tools: Standard fuel blending calculators simply perform straight-line math for two fuels, ignoring the cost, the fuel already sitting in your tank, and the non-linear way chemical additives behave. •What You Get Here: oCost-Optimized Blend Finder: You can enter the exact pump prices of your local fuels (regular, premium, or trackside race gas) along with the shelf prices of additive bottles. The calculator automatically analyzes every possible combination and ranks them to find the absolute least expensive blend that reaches your target rating. oEliminates Overpaying at the Track: Trackside 100-octane race fuel is notoriously expensive. By comparing pump gas mixtures against chemical additives and race blends, the tool identifies the cheapest way to hit your target octane, saving you hundreds of dollars per track weekend. oReal-World "Easy-Pour" Bottle Dosing: You do not need measuring vials or graduated cylinders at the gas station. When evaluating additives like BOOSTane, the solver pre-rounds doses to molded bottle lines (such as 1/8, 1/4, 1/2, 3/4, or full bottles) so you can pour cleanly at the pump. oZero-Undershoot Safety Engine: Conventional calculators round off to the nearest decimal, which can accidentally leave your fuel slightly under your target rating—risking engine knock and pulled timing. This calculator strictly rounds up, ensuring your delivered fuel always meets or exceeds your engine tune's requirements. oTop-Off Fuel Mode: Accurately accounts for any residual fuel volume and octane already sitting in your vehicle's tank before dispensing new fuel. •The Bottom Line: You get an exact, step-by-step fuel recipe with clear order-of-addition instructions that delivers the knock resistance your engine tune requires at the lowest possible cost. Allows for self entered prices at your gas station. Live calculations to help you save money.