Quick Answer — Crop Yield Calculator Formula: Total yield = Yield per acre (or hectare) × Field area Revenue = Total yield (kg) × Sale price per kg.
Crop Yield Calculator
Select crop & field area — get expected yield in kg, tonnes, bags & revenue estimate
About This Crop Yield Calculator
The Crop Yield Calculator estimates total harvestable yield from a field by combining yield per unit area with total cultivated area, then converts between common units — tonnes, kg, bushels, and quintals. It is useful for pre-harvest planning, revenue forecasting, storage capacity decisions, and reporting crop output to buyers or financial institutions.
Formula Used
Total Yield = Yield per Unit Area × Total Field Area. Unit conversions: 1 tonne = 1,000 kg; 1 quintal = 100 kg; bushel weights vary by crop (wheat ≈ 27.2 kg, maize ≈ 25.4 kg, soybean ≈ 27.2 kg).
Usage Tip
Use yield monitor data or weigh-bridge records from previous harvests rather than regional averages — your specific soil type, management history, and variety choice can differ significantly from published benchmarks.
What is crop yield? The total production per unit of land area — measured in kg per hectare or per acre. The core metric for assessing farm productivity and planning input costs.
Last updated: March 2026
Key outputs: Total yield (kg/tonnes/bags) · Yield per acre & per hectare · Estimated revenue · National average comparison · Yield per unit breakdown
Most farmers have a rough yield figure in their head before harvest. The trouble is that rough figures don’t tell you your yield per hectare, how many tonnes you’re moving to storage, what your revenue looks like at current prices, or how your crop compares to the national average for that variety. Getting all of that from a single measurement takes more arithmetic than most people want to do.
This crop yield calculator — also useful as a crop production calculator, agriculture yield calculator, and farm yield estimator — does it in one step. Enter field area, yield per unit, and crop — it returns total production in multiple units, estimated revenue, and a national average comparison.
Who This Crop Yield Calculator Is For
Built for farmers, agronomists, and farm planners. Formulas follow standard agricultural conversion calculations used by agronomy extension programs.
What the Crop Yield Calculator Calculates
Enter your inputs and the calculator returns six figures that matter at harvest time:
Total yield — kg, tonnes, quintals, bags, or lbs. Yield per acre and per hectare — both shown, useful for season-to-season comparisons. Estimated revenue — add a sale price per kg and gross income calculates automatically. National average comparison — your kg/ha vs the built-in national average, shown as % above or below. This is the number that tells you whether the season was genuinely good or just felt good.
How to Use the Crop Yield Calculator
- Select crop category — cereals, pulses, oilseeds, vegetables, fruits, tubers, or cash crops.
- Choose your crop — national average yield loads automatically as a reference.
- Enter field area — acres, hectares, sq ft, or sq meters.
- Enter your yield — per acre or hectare, in kg, tonnes, lbs, quintals, or 50kg bags.
- Add sale price — optional, adds a revenue estimate.
- Hit Calculate — total production, per-unit yield, revenue, and national average comparison appear instantly.
How the Crop Yield Formula Works
Standard agronomy conversion formulas:
Yield (kg/ha) = Yield per unit × unit conversion Total production (kg) = Yield (kg/ha) × Field area (ha) Revenue = Total kg × Price per kg vs National Average = (Your kg/ha − National avg) ÷ National avg × 100
1 acre = 0.4047 ha | 1 tonne = 1,000 kg | 1 quintal = 100 kg
Example Calculation
Wheat | 5 acres | 1,400 kg/acre | $0.22/kg sale price
- Area: 5 acres = 2.02 hectares
- Yield: 1,400 kg/acre = 3,459 kg/ha
- Total: 7,000 kg = 7.0 tonnes
- Revenue: $1,540
- vs national average (3,500 kg/ha): −1.2%
That last figure is the one most farmers wouldn’t catch without running the numbers. A season that felt fine can still come in marginally below average — and that’s the signal worth acting on before next year’s seed and fertilizer decisions. Rice farmers in Andhra Pradesh often run this after harvest to compare plots before deciding which variety to continue next season.
National Average Yields for Common Crops
Reference figures built into the calculator — your kg/ha is compared against these automatically.
| Crop | National Average (kg/ha) | National Average (kg/acre) |
|---|---|---|
| Wheat | 3,500 | 1,416 |
| Rice | 4,000 | 1,619 |
| Maize | 5,000 | 2,024 |
| Soybean | 1,800 | 728 |
| Chickpea | 1,200 | 486 |
| Potato | 20,000 | 8,094 |
| Tomato | 25,000 | 10,118 |
| Onion | 15,000 | 6,070 |
| Cotton | 2,000 | 809 |
| Sugarcane | 70,000 | 28,329 |
National averages drawn from FAO and agricultural department reports. Farmers in irrigated zones regularly outperform these figures — they’re benchmarks, not targets.
Why Yield Per Hectare Matters More Than Total Production
Total production flatters large fields. A farmer with 20 acres will always produce more than one with 5 — but yield per hectare is what holds up across comparisons. It’s what banks use in loan assessments, what buyers reference for supply planning, and what drives input budgets.
Common Crop Yield Calculation Mistakes
Using estimated area instead of measured area. Fields assumed to be 5 acres often measure 4.4 to 5.6 acres by GPS. That gap shifts every output — total yield, revenue, and yield per hectare.
Confusing yield units. Entering quintals per acre instead of kg per acre produces a total 100 times too high. Check your unit selection before calculating.
Not comparing against average. Stopping at total production misses the most useful output — the national average comparison converts a raw yield number into an actionable verdict on whether this season’s practices should be repeated.
Common Questions Farmers Ask
1. How do you calculate crop yield per acre?
Multiply your yield per unit area (in kg, tonnes, or lbs per acre) by your total field area in acres. This yield calculator per acre does it automatically and also converts to kg/ha for benchmark comparisons. It also works as a farm production calculator for any crop category — cereals, vegetables, pulses, or cash crops.
2. What is the formula for crop yield?
Yield (kg/ha) = Total production ÷ Area (ha). The calculator handles all unit conversions automatically.
3. How do I increase my crop yield?
The three levers with the most consistent impact: soil testing and targeted fertilizer, improved variety selection, and optimising sowing date and plant density. If you’re consistently below the national average, one of those three is usually the reason.
4. Can this be used for vegetables and cash crops?
Yes — cereals, pulses, oilseeds, vegetables, fruits, tubers, and cash crops including sugarcane and cotton are all covered.
Conclusion
Most farmers run this after harvest — comparing fields before planning next season’s inputs. It doesn’t tell you why your yield came in where it did, but it gives you the exact number in whatever unit you need, with a national benchmark built in.