if (baseType === inputDef.base) {
                            baseValue = mjs(unitType).convert(value).from(inputDef.key).to(inputDef.base);
                            inputUnit = inputDef.base;
                        } else if (baseType === outputDef.base) {
                            baseValue = mjs(unitType).convert(value).from(outputDef.key).to(outputDef.base);