Example: Factory charge: 110 oz · Factory line length included: 15 ft · Actual line set length: 35 ft · Charge per extra foot: 0.6 oz/ft → Total charge required: 122 oz.
Additional charge to add: 12 oz
In pounds: 7.63 lb
Frequently asked questions
How do I calculate refrigerant charge? Enter your numbers above and the result updates instantly. For example: Factory charge: 110 oz · Factory line length included: 15 ft · Actual line set length: 35 ft · Charge per extra foot: 0.6 oz/ft → Total charge required: 122 oz.
Is this Refrigerant Charge Calculator free? Yes — completely free with no sign-up or paywall. It runs entirely in your browser and keeps working offline; the numbers you enter never leave your device.
How accurate is it? It uses the standard published formula for refrigerant charge. Results are estimates for planning — not financial, tax, medical, engineering, or legal advice.