How to weigh a person sitting on a wheelchair when weights of both the wheelchair and the person are unknown - Quora
![Amazon.com: VisionTechShop MVW1 Heavy Duty Wheelchair Scale Platform 1000lb x 0.5lb / 500kg x 0.2kg, Intergrated Foldable Handle and Wheels for Easy Portability, Large LCD Display with Backlight : Health & Household Amazon.com: VisionTechShop MVW1 Heavy Duty Wheelchair Scale Platform 1000lb x 0.5lb / 500kg x 0.2kg, Intergrated Foldable Handle and Wheels for Easy Portability, Large LCD Display with Backlight : Health & Household](https://m.media-amazon.com/images/I/71rYH1qG2wL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: VisionTechShop MVW1 Heavy Duty Wheelchair Scale Platform 1000lb x 0.5lb / 500kg x 0.2kg, Intergrated Foldable Handle and Wheels for Easy Portability, Large LCD Display with Backlight : Health & Household
![Amazon.com: VisionTechShop MVW1 Heavy Duty Wheelchair Scale Platform 1000lb x 0.5lb / 500kg x 0.2kg, Intergrated Foldable Handle and Wheels for Easy Portability, Large LCD Display with Backlight : Health & Household Amazon.com: VisionTechShop MVW1 Heavy Duty Wheelchair Scale Platform 1000lb x 0.5lb / 500kg x 0.2kg, Intergrated Foldable Handle and Wheels for Easy Portability, Large LCD Display with Backlight : Health & Household](https://m.media-amazon.com/images/I/61UVyUc-c4L.jpg)