Unit Converter for
Finance Calculations in India
Land measurement units across states, gold weight conversions, currency exchange, and how accurate unit conversion prevents costly errors in property, investment, and business decisions.
Why Unit Conversions Matter in Indian Finance
India’s financial transactions involve a unique mix of traditional and modern units: land measured in bighas, kanals, cents, and gunthas; gold weighed in tolas and grams; property registered in square metres but sold in square feet; international investments priced in dollars but taxed in rupees. A unit conversion error can mean overpaying for land, miscalculating stamp duty, mis-pricing a gold purchase, or incorrect tax computation on foreign gains.
Land and Property Area Conversions
| Unit | Sq Ft | Sq Metres | Primary States |
|---|---|---|---|
| 1 Acre | 43,560 | 4,046.86 | All states |
| 1 Hectare | 1,07,639 | 10,000 | Official govt use |
| 1 Bigha (UP/Bihar) | 27,000 | 2,508.4 | UP, Bihar |
| 1 Bigha (Rajasthan) | 17,424 | 1,618.7 | Rajasthan |
| 1 Bigha (MP) | 12,000 | 1,114.8 | Madhya Pradesh |
| 1 Kanal | 5,445 | 505.9 | Punjab, Haryana, J&K |
| 1 Marla | 272.25 | 25.3 | Punjab, Haryana |
| 1 Guntha | 1,089 | 101.2 | Maharashtra, Karnataka |
| 1 Cent | 435.6 | 40.5 | Tamil Nadu, Kerala |
| 1 Ground | 2,400 | 222.97 | Tamil Nadu |
Key conversion: 1 sq m = 10.764 sq ft; 1 sq ft = 0.0929 sq m. Property registration in India is officially done in sq metres. Always verify your sq ft quote translates correctly to the sq m area in registration documents.
Gold Weight Conversions
| Unit | In Grams | Application |
|---|---|---|
| 1 Troy Ounce | 31.1035 g | International gold price benchmark |
| 1 Tola | 11.664 g | Traditional Indian jewellery unit |
| 10 Grams | 10 g | Standard retail gold coin unit |
| 1 Sovereign (South India) | 8 g (22 karat) | Tamil Nadu and Kerala gold coin |
| 1 Pavan (Kerala) | 8 g (22 karat) | Kerala jewellery measure |
Purity conversion: SGB and investment gold use 999.9 purity. Jewellery is typically 22 karat (916 purity = 91.6% gold). Price of 22k gold = 24k price x 0.916. Always compare gold prices on a per-gram, same-purity basis.
Indian Number System
| Indian | International | In Numerals |
|---|---|---|
| 1 Lakh | 100 Thousand | 1,00,000 |
| 10 Lakh | 1 Million | 10,00,000 |
| 1 Crore | 10 Million | 1,00,00,000 |
| 10 Crore | 100 Million | 10,00,00,000 |
| 100 Crore | 1 Billion | 1,00,00,00,000 |
Currency Conversion in Financial Planning
Currency conversion matters for: overseas education loans and expenses; NRI remittances; international mutual fund returns; and import or export business calculations. Always use the RBI reference rate for tax computations, not bank buy or sell rates which include a spread. TCS at 20% applies on LRS remittances above Rs 7 lakh per year. Forex gains from holding foreign currency or international investments are taxable in India.
Business Unit Conversions
| Conversion | Value | Application |
|---|---|---|
| 1 Metric Tonne | 1,000 kg | Steel, cement, commodity pricing |
| 1 Quintal | 100 kg | Agricultural commodity pricing |
| 1 Maund | 37.32 kg | Traditional grain market |
| 1 Barrel (crude oil) | 158.97 litres | Oil pricing reference |
Agricultural Land Unit Conversions by State
Agricultural land valuation requires knowing local units. In Punjab and Haryana: 1 acre = 8 kanals; 1 kanal = 5,445 sq ft. In Maharashtra: 1 acre = 40 gunthas; 1 guntha = 1,089 sq ft. In UP and Bihar: 1 bigha = 14,400 to 27,000 sq ft depending on local tradition. Circle rates for stamp duty are typically quoted per sq metre in urban areas and per bigha or acre in rural areas. Always convert to sq metres before comparing properties across different regions.
Unit Conversion Checklist for Financial Decisions
- Convert property area to sq metres before comparing stamp duty or rates across properties
- Verify builder sq ft area matches sq m area in the registered sale deed
- When buying gold jewellery, adjust for purity (22k vs 24k) before comparing prices per gram
- Use RBI reference rate for tax calculations on foreign currency transactions
- For agricultural land, verify the local unit size before computing per sq metre price
- Convert all loan and investment amounts to full numerals when entering into financial calculators
- Use the CalcWise Unit Converter for any area, weight, or volume conversion before a major financial decision
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Frequently Asked Questions
India uses different land measurement units across states, making property valuation confusing. Bigha is used in Rajasthan, UP, MP, Bihar, and West Bengal (size varies from 0.25 to 0.98 acres depending on region). Acre and guntha are common in Maharashtra, Karnataka, and Andhra Pradesh. Cent is used in Tamil Nadu and Kerala (1 cent = 435.6 sq ft or 1/100 acre). Ground is used in Tamil Nadu (1 ground = 2,400 sq ft). Marla and kanal are used in Punjab, Haryana, and Himachal Pradesh (1 kanal = 20 marlas = 5,445 sq ft). The standard SI unit for property transactions is square metres, while sq ft is most common in urban residential transactions.
Key conversion factors: 1 square metre = 10.764 square feet; 1 square foot = 0.0929 square metres. Common conversions: 1,000 sq ft = 92.9 sq m; 1,500 sq ft = 139.4 sq m; 2,000 sq ft = 185.8 sq m. In property transactions, stamp duty is calculated on area in sq metres as registered in government records while builders quote in sq ft. Always verify the sq m area in the sale deed matches your sq ft understanding. A 1% error on a Rs 80 lakh property is Rs 80,000.
Gold in India is measured in grams and troy ounces. Key conversions: 1 troy ounce = 31.1035 grams; 1 tola (traditional unit) = 11.664 grams. Jewellers price per gram; international gold prices are quoted per troy ounce. When comparing gold investments, always convert to per-gram price for comparison. SGB prices use Rs per gram of 999-purity gold; jewellery may be 22 karats (916 purity). Factor in purity differences when comparing gold investment options.
Currency conversion is relevant for overseas education costs, NRI remittances, foreign investment returns, and import or export businesses. Key points: use the RBI reference rate for tax calculations rather than bank buy or sell rates which include a spread; TCS at 20% applies on foreign remittances above Rs 7 lakh per year under LRS; forex gains are taxable in India as capital gains or income depending on the transaction nature; always account for bid-ask spread of 0.5-3% when calculating the actual cost of currency conversion.
Agricultural land investment requires understanding local area units. In Punjab and Haryana: 1 acre = 8 kanals = 4 bighas; 1 kanal = 5,445 sq ft. In Maharashtra: 1 acre = 40 gunthas; 1 guntha = 1,089 sq ft. In UP and Bihar: 1 bigha varies from 14,400 to 27,000 sq ft depending on local tradition. Circle rate for stamp duty is typically quoted per sq metre in municipal areas and per bigha or acre in rural areas. Convert consistently to sq metres for comparison across different properties and states before making any purchase decision.
Indian financial notation uses lakhs (1 lakh = 100,000) and crores (1 crore = 10,000,000 = 100 lakhs). Common conversions: Rs 50 lakh = Rs 50,00,000; Rs 1 crore = Rs 1,00,00,000. For EMI reference: a Rs 50 lakh home loan at 9% for 20 years has EMI of approximately Rs 44,986; a Rs 1 crore loan has EMI of approximately Rs 89,973. Loan amounts, investment targets, and insurance covers are all expressed in Indian numbering. Always convert to full numbers when using financial calculators to avoid decimal errors in your planning.