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Convert Grain to Denarius (gr to dn) instantly with accurate, readable results.
Use our Mass Unit Converter to convert between grams, kilograms, pounds, ounces, and other weight units instantly. Designed for cooking, science, fitness, and engineering needs, this unit conversion tool offers accurate results between metric and imperial systems. Whether you’re tracking body weight, measuring ingredients, or handling heavy machinery, our mass unit conversion calculator has you covered.
Grain (gr) — a small imperial and US customary unit of mass
It is defined as exactly 1/7000 of an avoirdupois pound; since 1 lb = 0.45359237 kg exactly, 1 gr = 64.79891 mg exactly. Used mainly for measuring bullets, gunpowder, arrows, and some pharmaceutical or historical masses.
- Symbol: gr
- System: Imperial and US customary unit for mass
- Exact relations: 1 gr = 1/7000 lb = 1/437.5 oz = 64.79891 mg
- Metric equivalents: 1 gr = 0.06479891 g ≈ 0.0000647989 kg
- Typical examples: a small bullet ~40 gr; a larger rifle bullet ~150 gr; an aspirin tablet was historically 5 gr.
Denarius (denarius) — a historical Roman unit of mass and silver coin
It was originally a Roman silver coin rather than a modern fixed mass unit; historical denarius weights varied by period, while modern biblical or historical unit converters commonly use about 3.85 grams. Used mainly in numismatics, ancient history, biblical studies, historical trade, and references to Roman coin weights.
- Symbol: denarius
- System: Historical Roman and biblical unit for mass
- Common conversion: 1 denarius ≈ 3.85 g = 3850 mg ≈ 0.00385 kg
- Imperial equivalents (derived from 1 lb = 0.45359237 kg exactly): 1 denarius ≈ 0.135805 oz ≈ 0.00848777 lb
- Typical examples: early Roman silver denarii weighed around 4 g; later coin weights changed over time; biblical and historical converters often use about 3.85 g.