Medieval Longbow Arrow Production Calculator

Discover the authentic medieval arrow production rate of a skilled fletcher

⚙️ Production Parameters

Fletcher Skill Level

Number of Fletchers (workforce) 1

Working Days

Enter 1–365 days.

Hours Worked Per Day

Enter 1–16 hours.

Arrow Type

Tool & Workshop Quality

Material Pre-preparation (%) 50%

Raw materials onlyFully pre-cut shafts

📊 Production Results

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arrows produced

📅 Daily Production Breakdown

⚖️ Skill Level Comparison

💡 Did You Know?

Before the Battle of Crécy (1346), Edward III ordered 100,000 sheaves of arrows (2,400,000 arrows total) stockpiled — requiring years of advance production from hundreds of fletchers across England.
The English longbow arrow ("livery arrow") had a standardised length of 30–32 inches and required fletching from goose, swan, or peacock feathers — each arrow needing 3 flights, split from a single feather.
A skilled medieval fletcher was considered so strategically vital that they received guild protections and were sometimes exempt from military service — their craft was deemed too important to risk losing.

📜 Historical Context

Medieval arrow production was a highly regulated guild craft in England, particularly from the 13th–15th centuries. The Worshipful Company of Fletchers, incorporated in London in 1371, set standards for arrow length, shaft diameter, and fletching quality. English war arrows (livery arrows) were made from poplar, ash, or birch shafts approximately 30 inches long, tipped with iron points, and fletched with three goose feathers. Crown requisitions documented by historian Robert Hardy show that during the Hundred Years' War, England's Royal Armoury contracted thousands of arrows per week — the 1341 royal warrant for the Crécy campaign demanded 2,000 sheaves (48,000 arrows) per fortnight. Master fletchers typically completed 12–24 finished arrows per working day for complex broadheads, and up to 40–50 for simpler blunt practice shafts.

How to Use This Medieval Arrow Production Calculator

Select your fletcher's skill level, set the workforce size using the slider, enter working days and hours, choose the arrow type, and specify tool quality and material preparation level. Click "Calculate Arrow Production" to see total output, per-fletcher daily rate, equivalent cost in medieval pennies, and a skill comparison chart. All rates are based on documented historical guild records and archaeological evidence.

Why This Matters

Understanding medieval arrow production rates helps historians, wargamers, re-enactors, authors, and educators grasp the true logistical challenge of medieval warfare. When English commanders ordered 10,000 arrows for a garrison, they were demanding weeks of work from dozens of specialist craftsmen — not just a warehouse trip.

For example, the garrison of Calais in 1347 consumed roughly 42,000 arrows during its siege resistance. At a production rate of 15 arrows per journeyman per day (a realistic guild output), sustaining that supply required approximately 50 full-time fletchers working continuously for 56 days. This logistical reality shaped medieval military strategy as profoundly as any battlefield tactic. Commanders planned campaigns around arrow supply chains just as modern armies plan around fuel logistics. Knowing these rates also illuminates why medieval English kings protected the yew tree supply and controlled goose-feather harvests through royal proclamation.

How It's Calculated

The calculator uses a base production rate derived from guild records and experimental archaeology, then applies multipliers for skill level, arrow complexity, tool quality, and material preparation:

Base Rate (arrows/hr): Apprentice = 0.9 | Journeyman = 1.6 | Master = 2.4 | Royal = 3.2 Arrow Type Modifier: Bodkin = 0.85 | Broadhead = 1.0 | Blunt = 1.4 | Fire = 0.65 Tool Quality Modifier: Basic = 0.80 | Standard = 1.0 | Advanced = 1.25 Prep Modifier = 0.75 + (prepPercent / 100) × 0.50 Arrows/Fletcher/Day = Base × ArrowMod × ToolMod × PrepMod × Hours Total Output = Arrows/Fletcher/Day × Fletchers × Days

The preparation modifier reflects that pre-cut, smoothed shafts and pre-split feathers dramatically reduce each fletcher's assembly time — a historical practice used by large royal workshops where labour was divided into shaft-cutters, point-smiths, and fletchers proper.

Tips & Common Mistakes

Don't assume a 12-hour workday was standard. Fletching required good natural light and fine motor precision — most guild ordinances restricted work to daylight hours, typically 7–8 usable hours in winter England.
Material prep is the hidden productivity multiplier. Pre-splitting feather flights and pre-turning shafts on a pole lathe could nearly double finished output — the calculator's prep slider captures this critical variable.
Arrow type complexity matters enormously. A bodkin point required careful smithing and fitting; a training blunt could be turned from a single piece of wood. Factor this into campaign planning scenarios.
Royal warrant workshops used division of labour. For large-scale campaigns, set fletchers to 20–50 and preparation to 80–100% to simulate a royal armoury, not a village craftsman.
Quality degrades over longer campaigns. The calculator shows peak-condition rates. Historical records suggest arrows produced under wartime pressure had measurably shorter range and higher break rates.

Frequently Asked Questions

How many arrows could an English longbowman fire per minute?

A trained English longbowman could loose 10–12 aimed arrows per minute at sustained pace, or up to 15–20 in a rapid "volley" scenario for short bursts. This is why arrow supply was so critical — a company of 100 archers could exhaust 1,000 arrows in under two minutes of sustained fire, making the fletcher's craft a strategic military asset.

What were arrows made from in medieval England?

Standard English war arrows used shafts of poplar, birch, or ash (approximately 30 inches, ⅜ inch diameter), fletched with three split goose-feather flights, and tipped with iron bodkin or broadhead points. The feathers were secured with silk thread and pitch glue. Yew was reserved for the bow itself, being too springy and valuable for shafts.

What was a "sheaf" of arrows?

A sheaf was the standard medieval unit of arrow supply, consisting of 24 arrows — roughly what a single longbowman carried into battle in his belt quiver. Crown supply records almost universally count in sheaves, making the unit crucial for interpreting historical documents. A "gross" was 144 arrows (6 sheaves).

Were there female fletchers in medieval times?

Yes — guild records from London, York, and Bristol document women working as fletchers, particularly widows who inherited their husband's guild membership or ran family workshops. Some women appear as independent guild members in 14th-century records. Arrow production was less physically demanding than many trades, making it more accessible to women than, say, blacksmithing.