Stone to Ton Conversion Chart
| Stone (st) | Metric Ton (tonne) | Reference Benchmark | Formula Step |
|---|---|---|---|
| 15.75 st | 0.1 tonne | Fifteen and Three-Quarter Stones (One-Tenth Metric Ton) | 15.75 × 0.00635029 = 0.10 t |
| 39.37 st | 0.25 tonne | Thirty-Nine Stones (Quarter Metric Ton / Large Calf) | 39.37 × 0.00635029 = 0.25 t |
| 78.74 st | 0.5 tonne | Seventy-Eight Stones (Half Metric Ton / Thoroughbred Horse) | 78.74 × 0.00635029 = 0.50 t |
| 118.1 st | 0.75 tonne | One Hundred Eighteen Stones (Three-Quarter Ton Draft Horse) | 118.1 × 0.00635029 = 0.75 t |
| 157.47 st | 1 tonne | Exactly One Metric Ton Reference Standard (1,000 kg) | 157.47 × 0.00635029 = 1.00 t |
| 236.21 st | 1.5 tonne | Two Hundred Thirty-Six Stones (1.5 Metric Ton Car) | 236.21 × 0.00635029 = 1.50 t |
| 314.95 st | 2 tonne | Three Hundred Fourteen Stones (Two Metric Tons Farm Van) | 314.95 × 0.00635029 = 2.00 t |
| 472.42 st | 3 tonne | Four Hundred Seventy-Two Stones (Three Metric Tons) | 472.42 × 0.00635029 = 3.00 t |
| 787.37 st | 5 tonne | Seven Hundred Eighty-Seven Stones (Five Tons Tractor) | 787.37 × 0.00635029 = 5.00 t |
| 1259.78 st | 8 tonne | One Thousand Two Hundred Fifty-Nine Stones (Farm Tipper) | 1,259.78 × 0.00635029 = 8.00 t |
| 1574.73 st | 10 tonne | One Thousand Five Hundred Seventy-Four Stones (Ten Tons) | 1,574.73 × 0.00635029 = 10.00 t |
| 2362.1 st | 15 tonne | Two Thousand Three Hundred Sixty-Two Stones (Dump Truck) | 2,362.1 × 0.00635029 = 15.00 t |
| 3149.46 st | 20 tonne | Three Thousand One Hundred Forty-Nine Stones (ISO Container) | 3,149.46 × 0.00635029 = 20.00 t |
| 3936.83 st | 25 tonne | Three Thousand Nine Hundred Thirty-Six Stones (Articulated Lorry) | 3,936.83 × 0.00635029 = 25.00 t |
| 7873.65 st | 50 tonne | Seven Thousand Eight Hundred Seventy-Three Stones (Heavy Lift) | 7,873.65 × 0.00635029 = 50.00 t |
Stone to Metric Ton Formula & Unit Definitions
Because 1 stone equals 6.35029318 kilograms and 1 metric ton equals 1,000 kilograms, 1 stone equals 6.35029318 ÷ 1,000 = 0.00635029318 metric tons. To convert stones to metric tons, multiply the stone figure by 0.00635029 (or divide by 157.4730444). To reverse the conversion, multiply metric tons by 157.473.
Quick Estimation: To convert stones to metric tons in your head, multiply the stone figure by 6.35 to get kilograms, then divide by 1,000 (or multiply directly by 0.00635). For example, 100 stones × 0.00635 = 0.635 metric tons.
Stone Standard (st)
British Imperial Customary Unit- Creator & Origin: Originated in medieval England from physical stone counterweights, standardized under Edward III in 1350 as 14 avoirdupois pounds.
- Standard Definition: Legally defined under international treaty since 1959 as exactly 14 × 0.45359237 kg = 6.35029318 kilograms.
- Everyday Focus: British livestock sales, equestrian thoroughbred handicapping, personal human body mass, and rural trade.
Metric Ton Standard (t / tonne)
SI Accepted Megagram- Creator & Origin: Derived from the medieval French tunne and standardized by the CGPM in 1879 as exactly 1,000 metric kilograms.
- Standard Definition: Defined in the SI brochure as exactly 1,000 kilograms (1 megagram, 10³ kg, or 10⁶ grams).
- Everyday Focus: Ocean shipping container manifests, international bulk agricultural trade, and civil engineering infrastructure.
Frequently Asked Questions
Q.What is the exact formula to convert stones to metric tons?
To convert stones to metric tons, multiply the stone figure by 0.00635029318 (or divide by 157.4730444). The formula is: t = st × 0.00635029. For reverse conversions, visit our Ton to Stone converter.
Q.How many metric tons are in 1 stone?
There are exactly 0.00635029318 metric tons in 1 British imperial stone (14 pounds × 0.45359237 kg/lb ÷ 1,000 kg/t).
Q.How many stones are in a metric ton?
There are approximately 157.473 stones in 1 metric ton (1,000 kg ÷ 6.35029318 kg/st).
Q.How do you convert stones to metric tons in your head?
Multiply the stone figure by 6.35 to get kilograms, then divide by 1,000. For example, 1,000 stones × 6.35 = 6,350 kg = 6.35 metric tons.
Q.How does a metric ton compare to an imperial long ton in stones?
An imperial long ton is exactly 160 stones (2,240 lbs), while a metric ton is approximately 157.473 stones (2,204.62 lbs), making the metric ton about 2.5 stones lighter.