2004 Porsche 911 Targa gear ratio calculator

With 2004 Porsche 911 Targa Gear Ratio Calculator you can see the theoretical top speeds in all gears. You can change tire dimensions to calculate the effect on top speed and gearing. It will help you to find the best gear ratios for your racing car and to understand when it is the best time to change a gear.

Maximum Power RPM:		Revolutions per minute when reaching the top of the power curve.
			Width	Profile	Wheel diameter
Tire Diameter [mm]:		OR
	Numbers of teeth		Gear Ratio
Final Drive Ratio:	x	OR
1st Gear Ratio:	x	OR
2nd Gear Ratio:	x	OR
3rd Gear Ratio:	x	OR
4th Gear Ratio:	x	OR
5th Gear Ratio:	x	OR
6th Gear Ratio:	x	OR
Speed in:
https://cargister.websys.sk/calculator-gear-ratio?rpm=6800&final_ratio_teeths[]=&final_ratio_teeths[]=&fdr=3.4&diameter=636.8&ratio[1]=3.6&ratio[2]=2.2&ratio[3]=1.4&ratio[4]=1.0&ratio[5]=0.8&ratio[6]=0.9&speed_in=kmh&width=205&profile=50&wheel_diameter=17&teeths[1][]=&teeths[2][]=&teeths[1][]=&teeths[2][]=&teeths[1][]=&teeths[2][]=&teeths[1][]=&teeths[2][]=&teeths[1][]=&teeths[2][]=&teeths[1][]=&teeths[2][]=

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Gear shift	Difference after shifting	RPM after shifting
from 1st Gear to 2nd Gear	2644	4156
from 2nd Gear to 3rd Gear	2473	4327
from 3rd Gear to 4th Gear	1943	4857
from 4th Gear to 5th Gear	1360	5440
from 5th Gear to 6th Gear	-850	7650

kmh / RPM	1000	2000	3000	4000	5000	6000	6800
1st Gear	9.8	19.6	29.4	39.2	49	58.8	66.7
2nd Gear	16	32.1	48.1	64.2	80.2	96.3	109.1
3rd Gear	25.2	50.4	75.7	100.9	126.1	151.3	171.5
4th Gear	35.3	70.6	105.9	141.2	176.5	211.8	240.1
5th Gear	44.1	88.3	132.4	176.5	220.7	264.8	300.1
6th Gear	39.2	78.5	117.7	156.9	196.1	235.4	266.7

This calculator is completely based on mathematical formulas to be useful to you. Try the Transmission Gear Ratio Calculator now.