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Lawless Lasers Grade Calcuator
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Convert Grade Between Ratio and Percentage
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Ratio to PercentagePercentage to Ratio
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1 IN2500Grade %0.150
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Grade %0.040%1 IN667
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Choose Your Own Grade
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Ideal for small scale projects with relativly heavy drainage requirements
such as preparing the base for a concrete slab in a car wash-bay
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Determine the fall required across the work area and enter, in millimetres, here:600 mm
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Determine the distance between the highest and lowest points of the work area and enter it, in metres, here:176 m
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RatioPercentage
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1 IN 2930.341%
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Match an Existing Grade
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Ideal for large scale projects where no site plan is available
such as renovating a previously leveled paddock
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Set laser to 0.000%
Park grader at the top of the work area with blade resting on the surface
Adjust mast until receiver detects the laser signal and shows On Grade light
Travel to bottom of work area, lower grader until cutting edge is resting on surface
Raise mast until receiver shows On Grade light
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Enter the height difference, in millimetres, here:
This is the number displayed on the digital readout of the control panel		60
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Enter the approx. length of the work area, in metres, here:150 m
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RatioPercentage
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1 IN 25000.040%
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