Gear Ratio Calculator

Select your car's engine from the list below. Specify your current and target RPM, and your current gear ratio. Your target gear ratio will be displayed on the chart below. Select the engine and axle gears that you own to highlight them on the chart.

Engine Type:

Gearbox ratio: 6.14

Current Average RPM:

Target Average RPM:

Current Gear Ratio:

Your target gear ratio is:

Axle
		23	24	25	26	27	28	29	30	31	32	33	34
Engine	23	6.14	6.41	6.67	6.94	7.21	7.47	7.74	8.01	8.28	8.54	8.81	9.08
	24	5.88	6.14	6.40	6.65	6.91	7.16	7.42	7.67	7.93	8.19	8.44	8.70
	25	5.65	5.89	6.14	6.39	6.63	6.88	7.12	7.37	7.61	7.86	8.10	8.35
	26	5.43	5.67	5.90	6.14	6.38	6.61	6.85	7.08	7.32	7.56	7.79	8.03
	27	5.23	5.46	5.69	5.91	6.14	6.37	6.59	6.82	7.05	7.28	7.50	7.73
	28	5.04	5.26	5.48	5.70	5.92	6.14	6.36	6.58	6.80	7.02	7.24	7.46
	29	4.87	5.08	5.29	5.50	5.72	5.93	6.14	6.35	6.56	6.78	6.99	7.20
	30	4.71	4.91	5.12	5.32	5.53	5.73	5.94	6.14	6.34	6.55	6.75	6.96
	31	4.56	4.75	4.95	5.15	5.35	5.55	5.74	5.94	6.14	6.34	6.54	6.73
	32	4.41	4.60	4.80	4.99	5.18	5.37	5.56	5.76	5.95	6.14	6.33	6.52
	33	4.28	4.47	4.65	4.84	5.02	5.21	5.40	5.58	5.77	5.95	6.14	6.33
	34	4.15	4.33	4.51	4.70	4.88	5.06	5.24	5.42	5.60	5.78	5.96	6.14
	35	4.03	4.21	4.39	4.56	4.74	4.91	5.09	5.26	5.44	5.61	5.79	5.96
	36	3.92	4.09	4.26	4.43	4.60	4.78	4.95	5.12	5.29	5.46	5.63	5.80
	37	3.82	3.98	4.15	4.31	4.48	4.65	4.81	4.98	5.14	5.31	5.48	5.64
	38	3.72	3.88	4.04	4.20	4.36	4.52	4.69	4.85	5.01	5.17	5.33	5.49
	39	3.62	3.78	3.94	4.09	4.25	4.41	4.57	4.72	4.88	5.04	5.20	5.35
	40	3.53	3.68	3.84	3.99	4.14	4.30	4.45	4.60	4.76	4.91	5.07	5.22
	41	3.44	3.59	3.74	3.89	4.04	4.19	4.34	4.49	4.64	4.79	4.94	5.09
	42	3.36	3.51	3.65	3.80	3.95	4.09	4.24	4.39	4.53	4.68	4.82	4.97