Long ton to Megaton Converter (and vice versa)
Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026
This converter allows you to convert long tons [tn.l.] to megatons [Mt] or megatons [Mt] to long tons [tn.l.]. 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 long tons to megatons
There are two simple ways to convert long tons [tn.l.] to megatons [Mt]. In the first calculation method, the value in long tons [tn.l.] is divided by the rounded conversion factor of 984,206.5276. The second method multiplies the value in long tons [tn.l.] by the rounded conversion factor of 1.016 * 10-6.
- Megatons [Mt] ≈ long tons [tn.l.] ÷ 984,206.5276
- Megatons [Mt] ≈ long tons [tn.l.] * 1.016 * 10-6
However, rounded conversion values are only suitable for rough conversions, as rounding errors can occur in the calculation result. The most accurate conversion of long tons [tn.l.] to megatons [Mt] can be achieved using the following calculation method.
- Megatons [Mt] = long tons [tn.l.] * 971.68 * 1,045.66 ÷ 1012
Convert megatons to long tons
Converting megatons [Mt] to long tons [tn.l.] is easy and can be done in two ways. The first method involves multiplication, in which the value in megatons [Mt] is multiplied by the rounded conversion factor of 984,206.5276. The second variant is a division. Here, the value in megatons [Mt] is divided by the rounded conversion factor of 1.016 * 10-6.
- Long tons [tn.l.] ≈ megatons [Mt] * 984,206.5276
- Long tons [tn.l.] ≈ megatons [Mt] ÷ (1.016 * 10-6)
However, rounded conversion values do not allow for exact calculations because rounding errors can occur in the calculation result. The most accurate conversion of megatons [Mt] to long tons [tn.l.] can be achieved using the following calculation method.
- Long tons [tn.l.] = megatons [Mt] ÷ 971.68 ÷ 1,045.66 * 1012
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