Troy ounce to Long ton Converter (and vice versa)
Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026
This converter allows you to convert troy ounces [oz.tr.] to long tons [tn.l.] or long tons [tn.l.] to troy ounces [oz.tr.]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.
Convert troy ounces to long tons
There are two simple ways to convert troy ounces [oz.tr.] to long tons [tn.l.]. In the first calculation method, the value in troy ounces [oz.tr.] is divided by the rounded conversion factor of 32,666.6667. The second method multiplies the value in troy ounces [oz.tr.] by the rounded conversion factor of 3.061 * 10-5.
- Long tons [tn.l.] ≈ troy ounces [oz.tr.] ÷ 32,666.6667
- Long tons [tn.l.] ≈ troy ounces [oz.tr.] * 3.061 * 10-5
However, rounded conversion values are only suitable for rough conversions, as rounding errors can occur in the calculation result. The most accurate conversion of troy ounces [oz.tr.] to long tons [tn.l.] can be achieved using the following calculation method.
- Long tons [tn.l.] = troy ounces [oz.tr.] * 31.1034768 ÷ 971.68 ÷ 1,045.66
Convert long tons to troy ounces
Converting long tons [tn.l.] to troy ounces [oz.tr.] is easy and can be done in two ways. The first method involves multiplication, in which the value in long tons [tn.l.] is multiplied by the rounded conversion factor of 32,666.6667. The second variant is a division. Here, the value in long tons [tn.l.] is divided by the rounded conversion factor of 3.061 * 10-5.
- Troy ounces [oz.tr.] ≈ long tons [tn.l.] * 32,666.6667
- Troy ounces [oz.tr.] ≈ long tons [tn.l.] ÷ (3.061 * 10-5)
However, rounded conversion values do not allow for exact calculations because rounding errors can occur in the calculation result. The most accurate conversion of long tons [tn.l.] to troy ounces [oz.tr.] can be achieved using the following calculation method.
- Troy ounces [oz.tr.] = long tons [tn.l.] ÷ 31.1034768 * 971.68 * 1,045.66
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