Scope Height Calculator Measurement Unit: Inches (in) Millimeters (mm) Action/Bolt Diameter: Measure the width of your rifle’s receiver Scope Tube Diameter: 1 inch 30 mm 34 mm 35 mm 40 mm Gap (Clearance): The distance between the bottom of the…

Solar Panel ROI Calculator Estimate your solar energy savings, payback period, and lifetime return. System Size (kW) Standard residential systems are usually 5kW to 10kW. Total Installation Cost ($) Federal & Local Incentives ($) Include the 30% Federal Tax Credit…

RPI GPA Calculator Cumulative Statistics (Optional) Prior Cumulative GPA Prior Total Credits Course Name Credits Grade A A- B+ B B- C+ C C- D+ D F A A- B+ B B- C+ C C- D+ D F + Add…

Saddle Size Calculator Find your perfect English or Western seat size Rider Weight (lbs) Femur Length (inches) Saddle Discipline English (Dressage/Jumping) Western (Trail/Reining) Calculate Seat Size Your Recommended Size: Understanding Saddle Sizing for Riders Finding the correct saddle size is…

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RWHP to HP Calculator Rear Wheel Horsepower (RWHP) Drivetrain Type (Typical Loss) Manual / Rear-Wheel Drive (15%) Manual / Front-Wheel Drive (12%) Automatic / Rear-Wheel Drive (20%) All-Wheel Drive (25%) Custom Percentage Drivetrain Loss Percentage (%) Estimate Crank Horsepower Estimated…

Rise of Kingdoms Speedup Calculator Calculate your total speedup inventory and compare it against your remaining research, building, or training timers. 1 Minute 5 Minutes 10 Minutes 15 Minutes 30 Minutes 60 Minutes 3 Hours 8 Hours 15 Hours 24…

Rise of Kingdoms (RoK) Troop Training Calculator Troop Tier Tier 1 (Base 20s) Tier 2 (Base 40s) Tier 3 (Base 60s) Tier 4 (Base 100s) Tier 5 (Base 140s) Troop Count Total Training Speed Bonus (%) (Includes Research, Runes, Titles,…

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River Rock Coverage Calculator .rock-calc-container { font-family: -apple-system, BlinkMacSystemFont, “Segoe UI”, Roboto, Helvetica, Arial, sans-serif; max-width: 800px; margin: 20px auto; padding: 25px; border: 1px solid #e0e0e0; border-radius: 12px; background-color: #ffffff; color: #333; box-shadow: 0 4px 15px rgba(0,0,0,0.05); } .rock-calc-header {…