@brewlab/calc
Version:
Library with methods for calculations used in brewing.
17 lines (16 loc) • 755 B
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
/**
* Provides the final gravity of a beer given the initial
* brix and the final brix measured.
* @param {number} ogBrix the original gravity as refractometer brix
* @param {number} fgBrix the final gravity as refractometer brix
* @returns {number} the final gravity converted from brix
*/
function brixToFinalGravity(ogBrix, fgBrix) {
// This formula was derived by Sean Terrill (http://seanterill.com/2011/04/07/refractometer-fg-results/)
return 1.0000 - 0.0044993 * ogBrix + 0.011774 * fgBrix
+ 0.00027581 * ogBrix ** 2 - 0.0012717 * fgBrix ** 2
- 0.0000072800 * ogBrix ** 3 + 0.000063293 * fgBrix ** 3;
}
exports.default = brixToFinalGravity;