Two independent conversions, the same real number
Running the acceleration converter's real formula on 1 g (converting to m/s²) returns exactly 9.80665. Running the force converter's real, entirely separate formula on 1 kilogram-force (converting to newtons) also returns exactly 9.80665 — the same figure, from a different calculator, converting a different physical quantity.
Why this isn't a coincidence
Standard gravity is fixed by international convention at exactly 9.80665 m/s². The acceleration converter uses this value directly to define what "1 g" means in m/s². The force converter uses the identical value to define kilogram-force, since 1 kgf is, by definition, the force gravity exerts on a 1 kg mass at standard gravity — the same physical constant appears in both formulas because kilogram-force is fundamentally a gravity-based unit, just like g-force.
The chain scales together
Because both conversions share the same constant, they scale identically: 10 g converts to 98.0665 m/s² on the acceleration side, and 10 kgf converts to 98.0665 newtons on the force side — the same number appears both times because both are literally 10 times the same underlying 9.80665 constant.
What this reveals about unit definitions
Most unit conversions (like feet to meters) are pure definitional ratios with no physical meaning behind the number itself. G-force and kilogram-force are different — both are anchored to a real, measured physical quantity (Earth's standard gravitational acceleration), which is why the identical constant shows up in what look like two unrelated converters.